rymer.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP 200 1006 ms crawled 2026-06-03

CZ · 81.91.84.51 · AS39790 Web4U s.r.o.

Reputation 69/100 wrong cert dmarc monitor-only

Registration

Registrar

REG-WEB4U

Created

2008-03-05

Expires

2027-03-04 272 days left

Updated

2016-03-22

Name servers

ns2.web4u.cz
ns.web4u.cz

DNS records live

NS

ns.web4u.cz
ns2.web4u.cz

MX

0 rymer-cz.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication partial

SPF: v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current) wrong cert

R13

from 2026-05-16 to 2026-08-14

Expires in 70 days

Full certificate history on crt.sh ↗

Linked from (1)

vector.cz×1