CONTINUOUS INTERNET TELEMETRY24H DRIFT2,430 material changesacross 2,197 domains · -968 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.com · -11 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT5 domains switched issuing CA24h · -2 vs yesterdayNOW3,328 curated domains not answering-6,390 vs yesterdayERRORS10,909 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,430 material changesacross 2,197 domains · -968 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.com · -11 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT5 domains switched issuing CA24h · -2 vs yesterdayNOW3,328 curated domains not answering-6,390 vs yesterdayERRORS10,909 responded with an errorlast probe · 5xx / 404 / 429 / 403

zixcorp.com

Observed 2026-07-13T14:02:49.081Z (8h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Also usesGoogle Search Console
10 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zixcorp.com actually stands on - every host below is a signed observation
zixcorp.com
A / AAAA
199.30.234.249
Cloudflareserves the site
NS
ns02.zixcorp.comns01.zixcorp.comns03.zixcorp.com
zixcorp.comanswers its DNS
MX
zixcorp-com.relay1h.spamh.comzixcorp-com.relay1g.spamh.comzixcorp-com.relay1i.spamh.com
spamh.comreceives its email

HTTPS probe

redirect Redirecting (3xx) 302 → https://zix.com/
HTTP status302
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time267 ms
DNS resolutionNOERROR
Redirect chain
https://zix.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

  • 199.30.234.249

MX 3

  • 20zixcorp-com.relay1h.spamh.com
  • 10zixcorp-com.relay1g.spamh.com
  • 30zixcorp-com.relay1i.spamh.com

TXT 11

  • knowbe4-site-verification=548cb49874519e75321fe7de2d0f81d5
  • p9nGH5hp9iz5p5ZytD3uY04jWyTe905c3ONv7SQ34cz7BC77xwQGUV3NAlQscJL/DYiX6JtKcmZ9x3SxahgFSA==
  • MS=ms97723609
  • MS=ms60444413
  • V8UPJE91TW0TF1GCVG0K5SXIY5OQNDR1RIQJY3J9
  • google-site-verification=WrLUT_Z9unZa7ZUiOKJOziU3VTBxT-5jMCFur1r5tO0
  • MS=CB180AC42D7B57D7F968EE846EACE184290B58453600
  • google-gws-recovery-domain-verification=41730632
  • v=spf1 include:spfa.zixcorp.com include:spfb.zixcorp.com -all
  • apple-domain-verification=HCql53Cmy1xkCvEc

NS 3

  • ns02.zixcorp.com
  • ns01.zixcorp.com
  • ns03.zixcorp.com

SOA 1

  • ns01.zixcorp.com noc.zixcorp.com

TLS Certificates (0)

None.

Subdomains (10)

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 zixcorp.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
a1405168-07a2-49c5-be51-01030ab05e4a
Output Hash
788d09a358b0a5cb57963957296efcb00d63ffe1b18a2b8f5a6013df898f0b48
Signature
ed25519:d4ea21f67229a588b2b9818fd89fcbb85a765c7d96ded92326b0827d22d305042fb1d5a51e8dadb2bd3899e98962338098b394a82220cc16a52910e19f501805
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser