indexo.dev

eru.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP 200 783 ms crawled 2026-05-30

CZ · 194.228.82.14 · AS5610 O2 Czech Republic, a.s.

Reputation 94/100 dmarc monitor-only

DNS records live

NS
  • ns1.ignum.com
  • ns2.ignum.cz
MX
  • 10 relay.eru.cz
  • 20 mail.eru.cz
TXT
  • spf2.0/pra,mfrom mx ip4:213.195.200.0/27 ip6:2a02:570:8f:400:0:0:0:22 ip6:2a02:570:8f:400:0:0:0:21 include:spf.protection.outlook.com -all
  • MS=B2D0B46D8FE3D2261A8897673ED91483CB7B83C2
Verified for
  • Cisco

Email authentication partial

SPF
v=spf1 mx ip4:213.195.200.0/27 ip6:2a02:570:8f:400:0:0:0:22 ip6:2a02:570:8f:400:0:0:0:21 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1;p=none;rua=mailto:dmarc@eru.cz
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDIVL6A1JeZyb0qgTSuYeXgTqlPYDEJsc/it5iXNLqCfjGAOzfYb+ntTGAAy7n4vkseOaUOHQFQM8pBES2ZW/…
selectors probed

Certificate (current)

E7
from 2026-05-18 to 2026-08-16
Expires in 77 days

Full certificate history on crt.sh ↗

Linked from (2)