www.sem7.pl - robtex.com

www.sem7.pl

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:6035🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:ad48🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.96.53Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.72🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.96.53, 172.67.173.72
IPv6 hints2606:4700:3032::6815:6035, 2606:4700:3033::ac43:ad48
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com

sem7.pl

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:6035🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:ad48🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.96.53Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.72🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSheather.ns.cloudflare.com ⭐
NSjay.ns.cloudflare.com
MXmail.sem7.pl ⭐
TXTv=spf1 a mx ip4:185.41.68.219 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.96.53, 172.67.173.72
IPv6 hints2606:4700:3032::6815:6035, 2606:4700:3033::ac43:ad48
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOAheather.ns.cloudflare.comdns@cloudflare.com serial=2400689059

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DNS History

8 records (4 active, 4 former)

20192020202120222023202420252026A104.21.96.53172.67.173.722606:4700:3032::6815:60352606:4700:3033::ac43:ad48104.27.182.198104.27.183.1982400:cb00:2048:1::681b:b6c62400:cb00:2048:1::681b:b7c6
●A104.21.96.532026-04-05 → 2026-05-13 · 3 obs
○ 2018-05-20 22:09:56
● 2026-04-05 10:48:26
● 2026-05-13 13:25:30
○A104.27.182.1982018-05-20 → 2018-05-20 · 3 obs
● 2018-05-20 22:09:56
○ 2026-04-05 10:48:26
○ 2026-05-13 13:25:30
○A104.27.183.1982018-05-20 → 2018-05-20 · 3 obs
● 2018-05-20 22:09:56
○ 2026-04-05 10:48:26
○ 2026-05-13 13:25:30
●A172.67.173.722026-04-05 → 2026-05-13 · 3 obs
○ 2018-05-20 22:09:56
● 2026-04-05 10:48:26
● 2026-05-13 13:25:30
○A2400:cb00:2048:1::681b:b6c62018-05-20 → 2018-05-20 · 3 obs
● 2018-05-20 22:09:56
○ 2026-04-05 10:48:26
○ 2026-05-13 13:25:30
○A2400:cb00:2048:1::681b:b7c62018-05-20 → 2018-05-20 · 3 obs
● 2018-05-20 22:09:56
○ 2026-04-05 10:48:26
○ 2026-05-13 13:25:30
●A2606:4700:3032::6815:60352026-04-05 → 2026-05-13 · 3 obs
○ 2018-05-20 22:09:56
● 2026-04-05 10:48:26
● 2026-05-13 13:25:30
●A2606:4700:3033::ac43:ad482026-04-05 → 2026-05-13 · 3 obs
○ 2018-05-20 22:09:56
● 2026-04-05 10:48:26
● 2026-05-13 13:25:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
plj-dns.pl, h-dns.pl, a-dns.pl, d-dns.pl...-
sem7.plheather.ns.cloudflare.com, jay.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.161

NS records: heather.ns.cloudflare.com, jay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sem7.pl (unsigned zone)

⏱️ Timing

Total: 468ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.96.53, 172.67.173.72
AAAA22606:4700:3033::ac43:ad48, 2606:4700:3032::6815:6035
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.sem7.pl points to four IP numbers: 2606:4700:3032::6815:6035, 2606:4700:3033::ac43:ad48, 104.21.96.53 and 172.67.173.72.

For instance, other host names 3c44a59c893e.serverlock.com, www.absba.com, www.csdungeon.com, nocore.net and tu-you.com share IP numbers with www.sem7.pl.