CONTINUOUS INTERNET TELEMETRY24H DRIFT10,662 material changesacross 10,228 domains · +33 vs yesterdayDNS DRIFT757 domains changed DNS providertop destination parity.domains · -23 vs yesterdayEMAIL DRIFT193 domains switched email providertop destination outlook.com · +23 vs yesterdayCERT DRIFT215 domains switched issuing CA24h · -15 vs yesterdayNOW759 curated domains not reachable-590 vs yesterdaySITE ERRORS18,081 sites serving errorslast probe · 5xx / 404 / TLSTHROTTLED95,339 throttled or blocked our scanner429 rate-limit / 403 bot-block

ultradns.net

Observed Jul 21, 2026, 20:06 UTC (2d 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.

Not responding
Email byProofpoint
Registered withCSC Corporate Domains, Inc.
tranco_5k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ultradns.net actually stands on - every host below is a signed observation
ultradns.net
A / AAAA
204.74.99.100
unattributedserves the site
NS
ns61.ultradns2.comns61.ultradns2.orgpdns196.ultradns.co.ukpdns196.ultradns.biz+4 more
ultradns2.com + ultradns2.org + moreanswers its DNS
MX
mxa-0018ba01.gslb.pphosted.commxb-0018ba01.gslb.pphosted.com
Proofpointreceives its email

DNS Records

A 1

  • 204.74.99.100

MX 2

  • 10mxa-0018ba01.gslb.pphosted.com
  • 10mxb-0018ba01.gslb.pphosted.com

TXT 3

  • MS=ms74200388
  • v=spf1 exists:%{i}._i.%{d}._d.espf.agari.com include:%{d}.79.spf-protect.agari.com -all
  • pZtBC99+HuMgl3Wk8tVjXP/yNd684mWXe/MVxaZroDJuaM4Q5V4gFeigJe2fQSoWsyhGlExCJVSEqZ1f+3JjmQ==

NS 8

  • ns61.ultradns2.com
  • ns61.ultradns2.org
  • pdns196.ultradns.co.uk
  • pdns196.ultradns.biz
  • pdns196.ultradns.com
  • pdns196.ultradns.net
  • pdns196.ultradns.org
  • pdns196.ultradns.info

SOA 1

  • udns1.ultradns.net domains.vercara.com

SRV 2

  • xmpp.ultradns.net:5222 p5
  • xmpp.ultradns.net:5269 p5

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 ultradns.net. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_6023abc561bf5260
Output Hash
bcb96c30cd391f175bf2a42d896ea7fc925c107a26a98f4707afe479044a54e7
Signature
ed25519:ed27ade451b2304bd5953d65001619ef80be4837d5cb63f5d2541d7a6b926a00fa467f7402776fcb8506165a0e759bda82cea890bfecff585a1f045682a71409
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser