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cnrholding.com

.com error HTTP 523

First seen 2026-06-16 · Last seen 2026-06-16 · crawled 2026-06-18 ·5 attempts

US · 172.67.173.165 · AS13335 Cloudflare, Inc.

Reputation 69/100 crawl error multiple spf records dmarc monitor-only

http 523

Registration

Registrar
Key-Systems GmbH
Created
2005-06-03
Expires
2027-06-03 348 days left
Updated
2026-06-04
Name servers
  • mustafa.ns.cloudflare.com
  • ruth.ns.cloudflare.com

DNS records live

NS
  • mustafa.ns.cloudflare.com
  • ruth.ns.cloudflare.com
MX
  • 10 _dc-mx.e72f52d95078.cnrholding.com
Verified for
  • Brevo
  • Google

Email authentication weak

SPF
v=spf1 include:spf.sendinblue.com mx ~all
softfail (~all) · multiple SPF records
DMARC
v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400
policy: none (monitoring only) · sp=none
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

WE1
from 2026-05-21 to 2026-08-20
Expires in 61 days

Full certificate history on crt.sh ↗

Linked from (1)

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