CONTINUOUS INTERNET TELEMETRY24H DRIFT38,139 material changesacross 37,038 domains · 24h to ~3h ago · -2,721 vs yesterdayNOW554 curated domains not reachablelast probe, steadySITE ERRORS34,566 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,805 sites429 rate-limit / 403 bot-block, a posture signal

urldefense.us

Observed Jul 27, 2026, 22:59 UTC (5d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Up right now
Runs onAmazon
Secured bySectigo
Registered withMarkMonitor, Inc.
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat urldefense.us actually stands on - every host below is a signed observation
urldefense.us
A / AAAA
18.233.38.1493.215.95.57
Amazonserves the site
NS
ns1.proofpoint.comns3.proofpoint.compdns99.ultradns.bizpdns99.ultradns.com+2 more
proofpoint.com + ultradns.biz + moreanswers its DNS
TLS
urldefense.us
Sectigo Limitedissued its certificate

DNS Records

A 2

  • 18.233.38.149
  • 3.215.95.57

TXT 4

  • v=spf1 -all
  • google-site-verification=3uxxAPUxfuwWa8LVFP7yS2F1dwZBO2o_FUjOeBXvv6A
  • google-site-verification=up726RdoSYBHjeZRv7JrFbcM1wOaC3pX5CfsinEdozo
  • v=DMARC1;p=reject;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 6

  • ns1.proofpoint.com
  • ns3.proofpoint.com
  • pdns99.ultradns.biz
  • pdns99.ultradns.com
  • pdns99.ultradns.net
  • pdns99.ultradns.org

SOA 1

  • ns1.proofpoint.com x-ops.proofpoint.com

TLS Certificates (4)

Common NameIssuerExpires
urldefense.us C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36 Wed, 09 Dec 2026 23:59:59 +0000
urldefense.us C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36 Wed, 09 Dec 2026 23:59:59 +0000
Sectigo Public Server Authentication CA OV R36 C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 Fri, 21 Mar 2036 23:59:59 +0000
Sectigo Public Server Authentication Root R46 C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +0000

Subdomains (1)

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 urldefense.us. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_7a926a3c3c9ef6fe
Output Hash
4288f3dff7918d655239edec4cab24232c8354e732ce356492f834ab1c95ebad
Signature
ed25519:35e1516bdbf8dc465dc69cf5511c635e6f79bb9aa635f2be00b6a50ff23916338a4586cee9ab1cd7aec1f0be063d1652c63d88d9b353ce70e09b1c70a4bb4a0e
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser