mail.sylen.pl - robtex.com

mail.sylen.pl

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a011🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:ea6🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.166Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.160.17🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.166, 172.67.160.17
IPv6 hints2606:4700:3030::ac43:a011, 2606:4700:3037::6815:ea6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=106, name=cloudflare-ech.com

sylen.pl

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a011🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:ea6🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.166Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.160.17🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalex.ns.cloudflare.com ⭐
NStess.ns.cloudflare.com
MX_dc-mx.a92b00749ccc.sylen.pl ⭐
TXTv=spf1 a mx include:spf.linuxpl.com ip4:195.78.66.254 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.166, 172.67.160.17
IPv6 hints2606:4700:3030::ac43:a011, 2606:4700:3037::6815:ea6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=106, name=cloudflare-ech.com
SOAalex.ns.cloudflare.comdns@cloudflare.com serial=2411512824

Previously MX for

sylen.pl

Same first word

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DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026NSdns.home.plA104.21.14.166172.67.160.172606:4700:3030::ac43:a0112606:4700:3037::6815:ea694.42.105.139CNAMEsylen.pl
○NSdns.home.pl2015-10-25 → 2016-11-26 · 4 obs
● 2015-10-25 05:14:28
● 2016-11-26 02:48:46
○ 2026-08-07 08:02:58
○ 2026-08-07 08:03:00
●A104.21.14.1662026-08-07 → 2026-08-07 · 3 obs
○ 2016-11-26 02:48:46
● 2026-08-07 08:02:58
● 2026-08-07 08:03:00
●A172.67.160.172026-08-07 → 2026-08-07 · 3 obs
○ 2016-11-26 02:48:46
● 2026-08-07 08:02:58
● 2026-08-07 08:03:00
●A2606:4700:3030::ac43:a0112026-08-07 → 2026-08-07 · 3 obs
○ 2016-11-26 02:48:46
● 2026-08-07 08:02:58
● 2026-08-07 08:03:00
●A2606:4700:3037::6815:ea62026-08-07 → 2026-08-07 · 3 obs
○ 2016-11-26 02:48:46
● 2026-08-07 08:02:58
● 2026-08-07 08:03:00
○A94.42.105.1392015-05-15 → 2016-11-26 · 4 obs
● 2015-05-15 20:31:02
● 2016-11-26 02:48:46
○ 2026-08-07 08:02:58
○ 2026-08-07 08:03:00
○CNAMEsylen.pl2015-05-15 → 2016-11-26 · 4 obs
● 2015-05-15 20:31:02
● 2016-11-26 02:48:46
○ 2026-08-07 08:02:58
○ 2026-08-07 08:03:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
plf-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl...-
sylen.plalex.ns.cloudflare.com, tess.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.227

NS records: alex.ns.cloudflare.com, tess.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sylen.pl (unsigned zone)

⏱️ Timing

Total: 314ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.14.166, 172.67.160.17
AAAA22606:4700:3037::6815:ea6, 2606:4700:3030::ac43:a011
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.sylen.pl directs to four IP numbers, which are 104.21.14.166, 172.67.160.17, 2606:4700:3030::ac43:a011 and 2606:4700:3037::6815:ea6.

metdezon.nl, null.danielmadu.com, m.kirshka.com and two other host names share IP numbers with mail.sylen.pl.