server.cui.mail.pl - robtex.com

server.cui.mail.pl

DNSSEC⚠️ Not signed
A2001:41d0:604:1ce::1🇫🇷 OVH2001:41d0::/32 IPv6
PTRserver.cui.mail.pl
A137.74.1.206🇵🇱 OVH137.74.0.0/16

cui.mail.pl

DNSSEC🔒 Signed (DS record present)
A137.74.1.206🇵🇱 OVH137.74.0.0/16
NSns1.cui.mail.pl ⭐
NSns2.cui.mail.pl
MXserver.cui.mail.pl ⭐
TXTv=spf1 ip4:137.74.1.206 ip6:2001:41d0:604:1ce::1 -all
SOAns1.cui.mail.plhostmaster@cui.mail.pl 2026-03-13 #2

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.e.c.1.0.4.0.6.0.0.d.1.4.1.0.0.2.ip6.arpa
206.1.74.137.in-addr.arpa

MX for

polish-vpn.pl
cui.mail.pl

Same first word

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DNS History

2 records (2 active, 0 former)

A137.74.1.2062001:41d0:604:1ce::1
●A137.74.1.2062026-03-22 → 2026-04-12 · 2 obs
● 2026-03-22 15:02:38
● 2026-04-12 13:27:06
●A2001:41d0:604:1ce::12026-03-22 → 2026-04-12 · 2 obs
● 2026-03-22 15:02:38
● 2026-04-12 13:27:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...-
cui.mail.plns1.cui.mail.pl, ns2.cui.mail.pl4 records

✅ Authoritative Response

Server:37.233.98.29

NS records: ns1.cui.mail.pl, ns2.cui.mail.pl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1227ms | Queries: -

📄 Records

TypeCountSample Data
A1137.74.1.206
AAAA12001:41d0:604:1ce::1

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns2.cui.mail.pl, ns1.cui.mail.pl, ns2.cui.mail.pl...)

Analysis

Mail Server Role

server.cui.mail.pl handles mail for polish-vpn.pl and cui.mail.pl.

IP Addresses

server.cui.mail.pl points to two IPs: 2001:41d0:604:1ce::1 and 137.74.1.206.

Other host names, for example, cui.mail.pl share IP numbers with server.cui.mail.pl.