CONTINUOUS INTERNET TELEMETRY24H DRIFT413 material changesacross 371 domains · -245 vs yesterdayDNS DRIFT1 domain changed DNS providertop destination selectel.ru · -1 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,296 curated domains not answering+467 vs yesterdayERRORS21,861 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED60,874 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT413 material changesacross 371 domains · -245 vs yesterdayDNS DRIFT1 domain changed DNS providertop destination selectel.ru · -1 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,296 curated domains not answering+467 vs yesterdayERRORS21,861 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED60,874 throttled or blocked our scanner429 rate-limit / 403 bot-block

skyhook.com

Observed Jul 17, 2026, 13:58 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Email byProofpoint
Registered withMarkMonitor Inc.
Also usesAtlassianGoogle Search Console
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat skyhook.com actually stands on - every host below is a signed observation
skyhook.com
NS
ns2.qualcomm-inc.comedns1.ultradns.comedns1.ultradns.bizedns1.ultradns.org+2 more
qualcomm-inc.com + ultradns.com + moreanswers its DNS
MX
mxa-0031df01.gslb.pphosted.commxb-0031df01.gslb.pphosted.com
Proofpointreceives its email

DNS Records

MX 2

  • 0mxa-0031df01.gslb.pphosted.com
  • 0mxb-0031df01.gslb.pphosted.com

TXT 7

  • MS=ms92987886
  • atlassian-domain-verification=JuhQyRY-vlqyUyCIVYXnae0Ql9d46/MNTwLbrOVhOJ/GdnEGW0NI1muMT248xB80
  • google-site-verification=4SkDrC-bNICDgxn5Hij4ko2dE4O8NYDZVk8EDe0MSfs
  • google-site-verification=KpadjJSD2r9AUNxJ8gsbS69AnQLVUUcjdneE0xlJ1Jg
  • google-site-verification=t6W5MytE1onnJCOEwyzdhZWmryWm0uONsS_qYGhBBpQ
  • v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
  • v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 6

  • ns2.qualcomm-inc.com
  • edns1.ultradns.com
  • edns1.ultradns.biz
  • edns1.ultradns.org
  • edns1.ultradns.net
  • ns1.qualcomm-inc.com

SOA 1

  • ns1.qualcomm-inc.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (0)

None observed.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for skyhook.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for skyhook.com <a href="https://domaindrift.io/t/skyhook.com"> <img src="https://domaindrift.io/badge/skyhook.com.svg" width="300" height="64" alt="DomainDrift signed observations for skyhook.com"> </a>

Ed25519 Receipt

Receipt ID
572e950d-4a4d-4662-973c-4c78b2e24271
Output Hash
2c7c6f20db3d8c60fcf69440c1094d96e7a2119e839414be9e4d949f84830958
Signature
ed25519:f3e91c145cd1184fedcc124cd440dbcbe60a5024c92ac0795e339c5226f84c0275b260654a8886c12e54bfef361c0ed7ac742f80e90abdeae7deeadc644bcd04
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser