indexo.dev

zixcorp.com

.com dns crawl

First seen 2026-05-03 · Last seen 2026-06-04 · error HTTP 500 crawled 2026-05-30 5 attempts

US · 199.30.234.249 · AS13380 Zix Corporation

Reputation 90/100 crawl error

http 500

Registration

Registrar
SafeNames Ltd.
Created
1999-03-11
Expires
2027-03-11 279 days left
Updated
2026-03-12
Name servers
  • ns01.zixcorp.com
  • ns02.zixcorp.com
  • ns03.zixcorp.com

DNS records live

NS
  • ns01.zixcorp.com
  • ns02.zixcorp.com
  • ns03.zixcorp.com
MX
  • 10 zixcorp-com.relay1g.spamh.com
  • 20 zixcorp-com.relay1h.spamh.com
  • 30 zixcorp-com.relay1i.spamh.com
TXT
Show 4 TXT records
  • knowbe4-site-verification=548cb49874519e75321fe7de2d0f81d5
  • p9nGH5hp9iz5p5ZytD3uY04jWyTe905c3ONv7SQ34cz7BC77xwQGUV3NAlQscJL/DYiX6JtKcmZ9x3SxahgFSA==
  • V8UPJE91TW0TF1GCVG0K5SXIY5OQNDR1RIQJY3J9
  • MS=CB180AC42D7B57D7F968EE846EACE184290B58453600
Verified for
  • Apple
  • Google
  • Google Workspace
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spfa.zixcorp.com include:spfb.zixcorp.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:982c722e290b8afa4191689ed2da51fb-t@dmarc.report-uri.com; ruf=mailto:982c722e290b8afa4191689ed2da51fb-t@dmarc.report-uri.com
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Entrust DV TLS Issuing RSA CA 2
from 2025-11-25 to 2026-12-27
Expires in 205 days

Full certificate history on crt.sh ↗

Linked from (2)