biuro-rk.pl

.pl crawl

First seen 2026-05-23 · Last seen 2026-05-23 · pending HTTP 503 crawled 2026-05-31 2 attempts

PL · 2.57.137.21 · AS31229 Beyond.pl sp. z o.o.

Reputation 69/100 listed in spam blocklist dmarc monitor-only

http 503

DNS records live

NS

ns1.zenbox.pl
ns2.zenbox.pl

MX

10 mx1.zenbox.pl
20 mx2.zenbox.pl
30 mx3.zenbox.pl

Email authentication partial

SPF: v=spf1 a mx include:_spf.zenbox.pl -all
strict (-all)
DMARC: v=DMARC1; p=none; sp=none
policy: none (monitoring only) · sp=none
DKIM: no key found at common selectors

Certificate (current)

E7

from 2026-04-05 to 2026-07-04

Expires in 33 days

Full certificate history on crt.sh ↗

Linked from (1)

blankpaper.eu×1