mail.biscomp.pl - robtex.com

mail.biscomp.pl

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:de56🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1138🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.17.56Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.86🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.17.56, 172.67.222.86
IPv6 hints2606:4700:3033::ac43:de56, 2606:4700:3034::6815:1138
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com

biscomp.pl

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:de56🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1138🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.17.56Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.86🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSerin.ns.cloudflare.com ⭐
NSray.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.17.56, 172.67.222.86
IPv6 hints2606:4700:3033::ac43:de56, 2606:4700:3034::6815:1138
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com
SOAerin.ns.cloudflare.comdns@cloudflare.com serial=2403240330
WOT: SAFE (62/100)
WOT: SAFE (70/100)

Previously MX for

biscomp.pl

Same first word

mail.rj.gov.br
mail.freedesktop.org
mail.direct
mail.yandex
mail.sh.cn
mail.vacations
mail.my
mail.gov.mz
mail.gov.ph
mail.veterinaire.fr
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mail.perspecta.cloud
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mail.limited
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mail.brasilia.me
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mail.pn
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mail.pa
mail.schaeffler
mail.gov.to
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mail.dynns.com
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mail.com.ps
mail.(0x6c6f6c697461)punk.jp
mail.sc
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mail.company
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mail.priv.pl
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mail.co.nz
mail.sdscloud.pl
mail.az
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mail.media
mail.vinnica.ua
mail.readymade.jp

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DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026A104.21.17.56172.67.222.862606:4700:3033::ac43:de562606:4700:3034::6815:1138185.25.150.55212.91.6.58212.91.7.3351.68.27.237
●A104.21.17.562026-05-10 → 2026-05-10 · 3 obs
○ 2026-04-02 18:17:56
● 2026-05-10 02:33:56
● 2026-05-10 21:03:10
●A172.67.222.862026-05-10 → 2026-05-10 · 3 obs
○ 2026-04-02 18:17:56
● 2026-05-10 02:33:56
● 2026-05-10 21:03:10
○A185.25.150.552015-07-21 → 2015-11-24 · 4 obs
● 2015-07-21 22:48:56
● 2015-11-24 19:07:22
○ 2016-03-08 14:41:10
○ 2026-05-10 21:03:10
○A212.91.6.582016-07-09 → 2016-07-09 · 4 obs
○ 2016-03-08 14:41:10
● 2016-07-09 13:04:52
○ 2026-02-15 13:36:28
○ 2026-05-10 21:03:10
○A212.91.7.332016-07-09 → 2016-07-09 · 4 obs
○ 2016-03-08 14:41:10
● 2016-07-09 13:04:52
○ 2026-02-15 13:36:28
○ 2026-05-10 21:03:10
●A2606:4700:3033::ac43:de562026-05-10 → 2026-05-10 · 3 obs
○ 2026-04-02 18:17:56
● 2026-05-10 02:33:56
● 2026-05-10 21:03:10
●A2606:4700:3034::6815:11382026-05-10 → 2026-05-10 · 3 obs
○ 2026-04-02 18:17:56
● 2026-05-10 02:33:56
● 2026-05-10 21:03:10
○A51.68.27.2372026-02-15 → 2026-03-30 · 5 obs
○ 2016-07-09 13:04:52
● 2026-02-15 13:36:28
● 2026-03-30 12:24:54
○ 2026-04-02 18:17:56
○ 2026-05-10 21:03:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, d-dns.pl, h-dns.pl, f-dns.pl...-
biscomp.plray.ns.cloudflare.com, erin.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.138

NS records: ray.ns.cloudflare.com, erin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biscomp.pl (unsigned zone)

⏱️ Timing

Total: 566ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.222.86, 104.21.17.56
AAAA22606:4700:3033::ac43:de56, 2606:4700:3034::6815:1138
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

Four IP numbers are pointed to by mail.biscomp.pl: 2606:4700:3033::ac43:de56, 2606:4700:3034::6815:1138, 104.21.17.56 and 172.67.222.86.

other host names including www.4k.com, www.certifiedsteakandseafood.com, bordagrup.com, sellsiouxcity.com and isoww.net share IP numbers with mail.biscomp.pl.