michalgregor.com

.com crawl

First seen 2026-06-01 · Last seen 2026-06-03 · ok HTTP 200 1472 ms crawled 2026-06-02

CZ · 91.239.200.40 · AS60606 PRO-ZETA a.s.

Reputation 87/100 weak security headers no dmarc policy

Registration

Registrar

Gransy, s.r.o.

Created

2022-12-06

Expires

2026-12-06 184 days left

Updated

2026-03-10

Name servers

ns1.thinline.cz
ns2.thinline.cz
ns3.cesky-hosting.eu

DNS records live

NS

ns1.thinline.cz
ns2.thinline.cz
ns3.cesky-hosting.eu

MX

10 eddafff0138af045.mx2.emailprofi.seznam.cz
20 eddafff0138af045.mx1.emailprofi.seznam.cz

Verified for

Google

Email authentication weak

SPF: v=spf1 include:spf.seznam.cz -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-12 to 2026-08-10

Expires in 66 days

Full certificate history on crt.sh ↗

Linked from (3)