mailin2.learn2code.cz - robtex.com
mailin2.learn2code.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::6815:1df2🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:9601🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.29.242Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.150.1🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.29.242, 172.67.150.1 | ||||||
| IPv6 hints | 2606:4700:3036::6815:1df2, 2606:4700:3036::ac43:9601 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com | ||||||
learn2code.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::6815:1df2🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:9601🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.29.242Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.150.1🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | lewis.ns.cloudflare.com ⭐ | ||||||
| NS | lina.ns.cloudflare.com | ||||||
| MX | mx1.websupport.sk ⭐ | ||||||
| MX | mx2.websupport.sk(100) | ||||||
| TXT | facebook-domain-verification=e2awutx2ytzwfxmh42yd3qfun4y855 | ||||||
| TXT | spf2.0/pra a mx include:_sid.websupport.sk ?all | ||||||
| TXT | v=spf1 a mx include:_spf.websupport.sk ?all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.29.242, 172.67.150.1 | ||||||
| IPv6 hints | 2606:4700:3036::6815:1df2, 2606:4700:3036::ac43:9601 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com | ||||||
| SOA | lewis.ns.cloudflare.comdns@cloudflare.com serial=2402065370 | ||||||
Previously MX for
DNS History
5 records (4 active, 1 former)
●A104.21.29.2422026-05-10 → 2026-05-10 · 2 obs
○ 2016-07-27 10:50:26
● 2026-05-10 12:53:08
● 2026-05-10 12:53:08
●A172.67.150.12026-05-10 → 2026-05-10 · 2 obs
○ 2016-07-27 10:50:26
● 2026-05-10 12:53:08
● 2026-05-10 12:53:08
●A2606:4700:3036::6815:1df22026-05-10 → 2026-05-10 · 2 obs
○ 2016-07-27 10:50:26
● 2026-05-10 12:53:08
● 2026-05-10 12:53:08
●A2606:4700:3036::ac43:96012026-05-10 → 2026-05-10 · 2 obs
○ 2016-07-27 10:50:26
● 2026-05-10 12:53:08
● 2026-05-10 12:53:08
○A37.9.169.1132015-08-16 → 2016-07-27 · 3 obs
● 2015-08-16 16:48:52
● 2016-07-27 10:50:26
○ 2026-05-10 12:53:08
● 2016-07-27 10:50:26
○ 2026-05-10 12:53:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz | - |
| learn2code.cz | lina.ns.cloudflare.com, lewis.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.159
NS records: lina.ns.cloudflare.com, lewis.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for learn2code.cz (unsigned zone)
⏱️ Timing
Total: 763ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.29.242, 172.67.150.1 |
| AAAA | 2 | 2606:4700:3036::6815:1df2, 2606:4700:3036::ac43:9601 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
mailin2.learn2code.cz points to four IP numbers: 2606:4700:3036::6815:1df2, 2606:4700:3036::ac43:9601, 104.21.29.242 and 172.67.150.1.
Other host names, for instance wordkeg.com, affordable-asbestos-removal-uk.co.uk, www.unost74.ru, ahome4u.se and focalpathconsulting.com share IP numbers with mailin2.learn2code.cz.