cleanup(minipipeline): zap DNSPossiblyNonexistingDomains metric (#1416)

What we can do with DNSPossiblyNonexistingDomains, we can also do with DNSLookupExpectedFailure. Part of ooni/probe#2634
ooni · Nov 30, 2023 · 51bcd6e · 51bcd6e
1 parent 4f4798e
commit 51bcd6e
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Showing 69 changed files with 68 additions and 209 deletions.
diff --git a/internal/cmd/minipipeline/testdata/analysis.json b/internal/cmd/minipipeline/testdata/analysis.json
@@ -32,6 +32,5 @@
   "HTTPFinalResponseDiffUncommonHeadersIntersection": {
     "x-drupal-cache": true,
     "x-generator": true
-  },
-  "DNSPossiblyNonexistingDomains": {}
+  }
 }
diff --git a/internal/cmd/minipipeline/testdata/analysis_classic.json b/internal/cmd/minipipeline/testdata/analysis_classic.json
@@ -32,6 +32,5 @@
   "HTTPFinalResponseDiffUncommonHeadersIntersection": {
     "x-drupal-cache": true,
     "x-generator": true
-  },
-  "DNSPossiblyNonexistingDomains": null
+  }
 }
diff --git a/internal/minipipeline/analysis.go b/internal/minipipeline/analysis.go
@@ -1,7 +1,6 @@
 package minipipeline
 
 import (
-	"github.com/ooni/probe-cli/v3/internal/netxlite"
 	"github.com/ooni/probe-cli/v3/internal/optional"
 	"github.com/ooni/probe-cli/v3/internal/runtimex"
 )
@@ -19,7 +18,6 @@ func AnalyzeWebObservations(container *WebObservationsContainer) *WebAnalysis {
 	analysis.httpComputeFailureMetrics(container)
 	analysis.httpComputeFinalResponseMetrics(container)
 
-	analysis.ComputeDNSPossiblyNonexistingDomains(container)
 	return analysis
 }
 
@@ -129,12 +127,6 @@ type WebAnalysis struct {
 
 	// HTTPFinalResponseDiffUncommonHeadersIntersection contains the uncommon headers intersection.
 	HTTPFinalResponseDiffUncommonHeadersIntersection optional.Value[map[string]bool]
-
-	// TODO(bassosimone): there are probably redundant metrics from this point on
-
-	// DNSPossiblyNonexistingDomains lists all the domains for which both
-	// the probe and the TH failed to perform DNS lookups.
-	DNSPossiblyNonexistingDomains optional.Value[map[string]bool]
 }
 
 func (wa *WebAnalysis) dnsComputeSuccessMetrics(c *WebObservationsContainer) {
@@ -576,64 +568,3 @@ func (wa *WebAnalysis) httpDiffTitleDifferentLongWords(obs *WebObservation) {
 
 	wa.HTTPFinalResponseDiffTitleDifferentLongWords = optional.Some(state)
 }
-
-// ComputeDNSPossiblyNonexistingDomains computes the DNSPossiblyNonexistingDomains field.
-func (wa *WebAnalysis) ComputeDNSPossiblyNonexistingDomains(c *WebObservationsContainer) {
-	var state map[string]bool
-
-	// first inspect the failures
-	for _, obs := range c.DNSLookupFailures {
-		// skip the comparison if we don't have enough information
-		if obs.DNSLookupFailure.IsNone() || obs.ControlDNSLookupFailure.IsNone() {
-			continue
-		}
-
-		// flip state from None to empty when we see the first couple of
-		// (probe, th) failures allowing us to perform a comparison
-		if state == nil {
-			state = make(map[string]bool)
-		}
-
-		// assume the domain is set in both cases
-		domain := obs.DNSDomain.Unwrap()
-		runtimex.Assert(domain == obs.ControlDNSDomain.Unwrap(), "mismatch between domain names")
-
-		// a domain is nonexisting if both the probe and the TH say so
-		if obs.DNSLookupFailure.Unwrap() != netxlite.FailureDNSNXDOMAINError {
-			continue
-		}
-		if obs.ControlDNSLookupFailure.Unwrap() != "dns_name_error" {
-			continue
-		}
-
-		// set the state
-		state[domain] = true
-	}
-
-	// then inspect the successes
-	for _, obs := range c.DNSLookupSuccesses {
-		// skip the comparison if we don't have enough information
-		if obs.DNSLookupFailure.IsNone() && obs.ControlDNSLookupFailure.IsNone() {
-			continue
-		}
-
-		// assume the domain is always set
-		domain := obs.DNSDomain.Unwrap()
-
-		// clear the state if the probe succeeded
-		if !obs.DNSLookupFailure.IsNone() && obs.DNSLookupFailure.Unwrap() == "" {
-			delete(state, domain)
-			continue
-		}
-
-		// clear the state if the TH succeded
-		if !obs.ControlDNSLookupFailure.IsNone() && obs.ControlDNSLookupFailure.Unwrap() == "" {
-			runtimex.Assert(domain == obs.ControlDNSDomain.Unwrap(), "mismatch between domain names")
-			delete(state, domain)
-			continue
-		}
-	}
-
-	// note that optional.Some constructs None if state is nil
-	wa.DNSPossiblyNonexistingDomains = optional.Some(state)
-}
diff --git a/...inipipeline/testdata/webconnectivity/generated/badSSLWithExpiredCertificate/analysis.json b/...inipipeline/testdata/webconnectivity/generated/badSSLWithExpiredCertificate/analysis.json
@@ -33,6 +33,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": {}
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...ine/testdata/webconnectivity/generated/badSSLWithExpiredCertificate/analysis_classic.json b/...ine/testdata/webconnectivity/generated/badSSLWithExpiredCertificate/analysis_classic.json
@@ -31,6 +31,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...tdata/webconnectivity/generated/badSSLWithUnknownAuthorityWithConsistentDNS/analysis.json b/...tdata/webconnectivity/generated/badSSLWithUnknownAuthorityWithConsistentDNS/analysis.json
@@ -35,6 +35,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": {}
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...bconnectivity/generated/badSSLWithUnknownAuthorityWithConsistentDNS/analysis_classic.json b/...bconnectivity/generated/badSSLWithUnknownAuthorityWithConsistentDNS/analysis_classic.json
@@ -31,6 +31,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...ata/webconnectivity/generated/badSSLWithUnknownAuthorityWithInconsistentDNS/analysis.json b/...ata/webconnectivity/generated/badSSLWithUnknownAuthorityWithInconsistentDNS/analysis.json
@@ -36,6 +36,5 @@
   "HTTPFinalResponseDiffUncommonHeadersIntersection": {
     "alt-svc": true,
     "content-length": true
-  },
-  "DNSPossiblyNonexistingDomains": {}
+  }
 }
diff --git a/...onnectivity/generated/badSSLWithUnknownAuthorityWithInconsistentDNS/analysis_classic.json b/...onnectivity/generated/badSSLWithUnknownAuthorityWithInconsistentDNS/analysis_classic.json
@@ -31,6 +31,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...l/minipipeline/testdata/webconnectivity/generated/badSSLWithWrongServerName/analysis.json b/...l/minipipeline/testdata/webconnectivity/generated/badSSLWithWrongServerName/analysis.json
@@ -33,6 +33,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": {}
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...peline/testdata/webconnectivity/generated/badSSLWithWrongServerName/analysis_classic.json b/...peline/testdata/webconnectivity/generated/badSSLWithWrongServerName/analysis_classic.json
@@ -31,6 +31,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...testdata/webconnectivity/generated/controlFailureWithSuccessfulHTTPSWebsite/analysis.json b/...testdata/webconnectivity/generated/controlFailureWithSuccessfulHTTPSWebsite/analysis.json
@@ -29,6 +29,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/.../webconnectivity/generated/controlFailureWithSuccessfulHTTPSWebsite/analysis_classic.json b/.../webconnectivity/generated/controlFailureWithSuccessfulHTTPSWebsite/analysis_classic.json
@@ -29,6 +29,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/.../testdata/webconnectivity/generated/controlFailureWithSuccessfulHTTPWebsite/analysis.json b/.../testdata/webconnectivity/generated/controlFailureWithSuccessfulHTTPWebsite/analysis.json
@@ -29,6 +29,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...a/webconnectivity/generated/controlFailureWithSuccessfulHTTPWebsite/analysis_classic.json b/...a/webconnectivity/generated/controlFailureWithSuccessfulHTTPWebsite/analysis_classic.json
@@ -29,6 +29,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...ipeline/testdata/webconnectivity/generated/dnsBlockingAndroidDNSCacheNoData/analysis.json b/...ipeline/testdata/webconnectivity/generated/dnsBlockingAndroidDNSCacheNoData/analysis.json
@@ -36,6 +36,5 @@
   "HTTPFinalResponseDiffUncommonHeadersIntersection": {
     "alt-svc": true,
     "content-length": true
-  },
-  "DNSPossiblyNonexistingDomains": {}
+  }
 }
diff --git a/...testdata/webconnectivity/generated/dnsBlockingAndroidDNSCacheNoData/analysis_classic.json b/...testdata/webconnectivity/generated/dnsBlockingAndroidDNSCacheNoData/analysis_classic.json
@@ -29,6 +29,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": {}
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/internal/minipipeline/testdata/webconnectivity/generated/dnsBlockingBOGON/analysis.json b/internal/minipipeline/testdata/webconnectivity/generated/dnsBlockingBOGON/analysis.json
@@ -38,6 +38,5 @@
   "HTTPFinalResponseDiffUncommonHeadersIntersection": {
     "alt-svc": true,
     "content-length": true
-  },
-  "DNSPossiblyNonexistingDomains": {}
+  }
 }
diff --git a/...al/minipipeline/testdata/webconnectivity/generated/dnsBlockingBOGON/analysis_classic.json b/...al/minipipeline/testdata/webconnectivity/generated/dnsBlockingBOGON/analysis_classic.json
@@ -31,6 +31,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/internal/minipipeline/testdata/webconnectivity/generated/dnsBlockingNXDOMAIN/analysis.json b/internal/minipipeline/testdata/webconnectivity/generated/dnsBlockingNXDOMAIN/analysis.json
@@ -36,6 +36,5 @@
   "HTTPFinalResponseDiffUncommonHeadersIntersection": {
     "alt-svc": true,
     "content-length": true
-  },
-  "DNSPossiblyNonexistingDomains": {}
+  }
 }
diff --git a/...minipipeline/testdata/webconnectivity/generated/dnsBlockingNXDOMAIN/analysis_classic.json b/...minipipeline/testdata/webconnectivity/generated/dnsBlockingNXDOMAIN/analysis_classic.json
@@ -29,6 +29,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": {}
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...pipeline/testdata/webconnectivity/generated/dnsHijackingToProxyWithHTTPSURL/analysis.json b/...pipeline/testdata/webconnectivity/generated/dnsHijackingToProxyWithHTTPSURL/analysis.json
@@ -37,6 +37,5 @@
   "HTTPFinalResponseDiffUncommonHeadersIntersection": {
     "alt-svc": true,
     "content-length": true
-  },
-  "DNSPossiblyNonexistingDomains": {}
+  }
 }
diff --git a/.../testdata/webconnectivity/generated/dnsHijackingToProxyWithHTTPSURL/analysis_classic.json b/.../testdata/webconnectivity/generated/dnsHijackingToProxyWithHTTPSURL/analysis_classic.json
@@ -34,6 +34,5 @@
   "HTTPFinalResponseDiffUncommonHeadersIntersection": {
     "alt-svc": true,
     "content-length": true
-  },
-  "DNSPossiblyNonexistingDomains": null
+  }
 }
diff --git a/...ipipeline/testdata/webconnectivity/generated/dnsHijackingToProxyWithHTTPURL/analysis.json b/...ipipeline/testdata/webconnectivity/generated/dnsHijackingToProxyWithHTTPURL/analysis.json
@@ -36,6 +36,5 @@
   "HTTPFinalResponseDiffTitleDifferentLongWords": {},
   "HTTPFinalResponseDiffUncommonHeadersIntersection": {
     "content-length": true
-  },
-  "DNSPossiblyNonexistingDomains": {}
+  }
 }
diff --git a/...e/testdata/webconnectivity/generated/dnsHijackingToProxyWithHTTPURL/analysis_classic.json b/...e/testdata/webconnectivity/generated/dnsHijackingToProxyWithHTTPURL/analysis_classic.json
@@ -33,6 +33,5 @@
   "HTTPFinalResponseDiffTitleDifferentLongWords": {},
   "HTTPFinalResponseDiffUncommonHeadersIntersection": {
     "content-length": true
-  },
-  "DNSPossiblyNonexistingDomains": null
+  }
 }
diff --git a/...minipipeline/testdata/webconnectivity/generated/httpBlockingConnectionReset/analysis.json b/...minipipeline/testdata/webconnectivity/generated/httpBlockingConnectionReset/analysis.json
@@ -35,6 +35,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": {}
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...line/testdata/webconnectivity/generated/httpBlockingConnectionReset/analysis_classic.json b/...line/testdata/webconnectivity/generated/httpBlockingConnectionReset/analysis_classic.json
@@ -33,6 +33,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...l/minipipeline/testdata/webconnectivity/generated/httpDiffWithConsistentDNS/analysis.json b/...l/minipipeline/testdata/webconnectivity/generated/httpDiffWithConsistentDNS/analysis.json
@@ -37,6 +37,5 @@
     "default": true,
     "denied": true
   },
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": {},
-  "DNSPossiblyNonexistingDomains": {}
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": {}
 }
diff --git a/...peline/testdata/webconnectivity/generated/httpDiffWithConsistentDNS/analysis_classic.json b/...peline/testdata/webconnectivity/generated/httpDiffWithConsistentDNS/analysis_classic.json
@@ -36,6 +36,5 @@
     "default": true,
     "denied": true
   },
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": {},
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": {}
 }
diff --git a/...minipipeline/testdata/webconnectivity/generated/httpDiffWithInconsistentDNS/analysis.json b/...minipipeline/testdata/webconnectivity/generated/httpDiffWithInconsistentDNS/analysis.json
@@ -38,6 +38,5 @@
     "default": true,
     "denied": true
   },
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": {},
-  "DNSPossiblyNonexistingDomains": {}
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": {}
 }
diff --git a/...line/testdata/webconnectivity/generated/httpDiffWithInconsistentDNS/analysis_classic.json b/...line/testdata/webconnectivity/generated/httpDiffWithInconsistentDNS/analysis_classic.json
@@ -35,6 +35,5 @@
     "default": true,
     "denied": true
   },
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": {},
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": {}
 }
diff --git a/...ectivity/generated/redirectWithConsistentDNSAndThenConnectionRefusedForHTTP/analysis.json b/...ectivity/generated/redirectWithConsistentDNSAndThenConnectionRefusedForHTTP/analysis.json
@@ -40,6 +40,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": {}
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/.../generated/redirectWithConsistentDNSAndThenConnectionRefusedForHTTP/analysis_classic.json b/.../generated/redirectWithConsistentDNSAndThenConnectionRefusedForHTTP/analysis_classic.json
@@ -38,6 +38,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...ctivity/generated/redirectWithConsistentDNSAndThenConnectionRefusedForHTTPS/analysis.json b/...ctivity/generated/redirectWithConsistentDNSAndThenConnectionRefusedForHTTPS/analysis.json
@@ -37,6 +37,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": {}
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }
diff --git a/...generated/redirectWithConsistentDNSAndThenConnectionRefusedForHTTPS/analysis_classic.json b/...generated/redirectWithConsistentDNSAndThenConnectionRefusedForHTTPS/analysis_classic.json
@@ -36,6 +36,5 @@
   "HTTPFinalResponseDiffBodyProportionFactor": null,
   "HTTPFinalResponseDiffStatusCodeMatch": null,
   "HTTPFinalResponseDiffTitleDifferentLongWords": null,
-  "HTTPFinalResponseDiffUncommonHeadersIntersection": null,
-  "DNSPossiblyNonexistingDomains": null
+  "HTTPFinalResponseDiffUncommonHeadersIntersection": null
 }