mail.devnull.pl - robtex.com

mail.devnull.pl

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d81d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:35b7🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.53.183Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.29🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.53.183, 172.67.216.29
IPv6 hints2606:4700:3031::ac43:d81d, 2606:4700:3033::6815:35b7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com

devnull.pl

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d81d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:35b7🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.53.183Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.29🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSceleste.ns.cloudflare.com ⭐
NSjavier.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
MXroute3.mx.cloudflare.net(72)
MXroute1.mx.cloudflare.net(99)
TXTgoogle-site-verification=Hm2HKcXc6hamik5h7MfpzfVx43avjtomC72h-mSDbMg
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.53.183, 172.67.216.29
IPv6 hints2606:4700:3031::ac43:d81d, 2606:4700:3033::6815:35b7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com
SOAceleste.ns.cloudflare.comdns@cloudflare.com serial=2405962519

Previously MX for

devnull.pl

Same first word

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mail.freedesktop.org
mail.direct
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mail.ee
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mail.perspecta.cloud
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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.53.183172.67.216.292606:4700:3031::ac43:d81d2606:4700:3033::6815:35b7213.239.194.25279.133.196.210
●A104.21.53.1832026-06-13 → 2026-06-13 · 2 obs
○ 2026-04-02 08:14:42
● 2026-06-13 07:17:46
●A172.67.216.292026-06-13 → 2026-06-13 · 2 obs
○ 2026-04-02 08:14:42
● 2026-06-13 07:17:46
○A213.239.194.2522015-07-25 → 2016-06-27 · 4 obs
● 2015-07-25 16:49:40
● 2016-06-27 22:00:38
○ 2026-02-15 03:54:46
○ 2026-06-13 07:17:46
●A2606:4700:3031::ac43:d81d2026-06-13 → 2026-06-13 · 2 obs
○ 2026-04-02 08:14:42
● 2026-06-13 07:17:46
●A2606:4700:3033::6815:35b72026-06-13 → 2026-06-13 · 2 obs
○ 2026-04-02 08:14:42
● 2026-06-13 07:17:46
○A79.133.196.2102026-02-15 → 2026-03-18 · 5 obs
○ 2016-06-27 22:00:38
● 2026-02-15 03:54:46
● 2026-03-18 04:49:28
○ 2026-04-02 08:14:42
○ 2026-06-13 07:17:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...-
devnull.plceleste.ns.cloudflare.com, javier.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.7

NS records: celeste.ns.cloudflare.com, javier.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devnull.pl (unsigned zone)

⏱️ Timing

Total: 392ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.53.183, 172.67.216.29
AAAA22606:4700:3031::ac43:d81d, 2606:4700:3033::6815:35b7
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.devnull.pl points to four IP numbers: 104.21.53.183, 172.67.216.29, 2606:4700:3031::ac43:d81d and 2606:4700:3033::6815:35b7.

Among the host names that share IP numbers with mail.devnull.pl are evasys.coioftalmologia.com.br, tz.wulp.eu.org, 2180.pw and two others.