mail.4en.com.pl - robtex.com

mail.4en.com.pl

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:349d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:c924🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.157Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.36🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.157, 172.67.201.36
IPv6 hints2606:4700:3031::6815:349d, 2606:4700:3036::ac43:c924
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com

4en.com.pl

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:349d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:c924🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.157Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.36🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelma.ns.cloudflare.com ⭐
NSnico.ns.cloudflare.com
MX_dc-mx.2ee4d8aa1f73.4en.com.pl ⭐
TXTv=spf1 +a +mx +ip4:91.211.220.45 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.157, 172.67.201.36
IPv6 hints2606:4700:3031::6815:349d, 2606:4700:3036::ac43:c924
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com
SOAelma.ns.cloudflare.comdns@cloudflare.com serial=2399652925

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DNS History

9 records (4 active, 5 former)

201820192020202120222023202420252026A104.21.52.157172.67.201.362606:4700:3031::6815:349d2606:4700:3036::ac43:c924188.114.96.0188.114.97.0195.95.129.812a06:98c1:3120::2a06:98c1:3121::
●A104.21.52.1572026-03-26 → 2026-04-11 · 3 obs
○ 2017-05-23 18:42:36
● 2026-03-26 13:39:40
● 2026-04-11 20:28:02
●A172.67.201.362026-03-26 → 2026-04-11 · 3 obs
○ 2017-05-23 18:42:36
● 2026-03-26 13:39:40
● 2026-04-11 20:28:02
○A188.114.96.02026-03-26 → 2026-04-11 · 2 obs
○ 2026-03-26 13:39:40
○ 2026-04-11 20:28:02
○A188.114.97.02026-03-26 → 2026-04-11 · 2 obs
○ 2026-03-26 13:39:40
○ 2026-04-11 20:28:02
○A195.95.129.812017-05-23 → 2017-05-23 · 3 obs
● 2017-05-23 18:42:36
○ 2026-03-26 13:39:40
○ 2026-04-11 20:28:02
●A2606:4700:3031::6815:349d2026-03-26 → 2026-04-11 · 3 obs
○ 2017-05-23 18:42:36
● 2026-03-26 13:39:40
● 2026-04-11 20:28:02
●A2606:4700:3036::ac43:c9242026-03-26 → 2026-04-11 · 3 obs
○ 2017-05-23 18:42:36
● 2026-03-26 13:39:40
● 2026-04-11 20:28:02
○A2a06:98c1:3120::2026-03-26 → 2026-04-11 · 2 obs
○ 2026-03-26 13:39:40
○ 2026-04-11 20:28:02
○A2a06:98c1:3121::2026-03-26 → 2026-04-11 · 2 obs
○ 2026-03-26 13:39:40
○ 2026-04-11 20:28:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...-
4en.com.plelma.ns.cloudflare.com, nico.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.154

NS records: elma.ns.cloudflare.com, nico.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4en.com.pl (unsigned zone)

⏱️ Timing

Total: 764ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.201.36, 104.21.52.157
AAAA22606:4700:3031::6815:349d, 2606:4700:3036::ac43:c924
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

Four IP numbers are pointed to by mail.4en.com.pl: 2606:4700:3031::6815:349d, 2606:4700:3036::ac43:c924, 104.21.52.157 and 172.67.201.36.

other host names including 22event.unama.ac.id, www.xxone.com, wfaqzhongxin.com, jolesma.com and mmgeeks.com share IP numbers with mail.4en.com.pl.