mail.hbs-elearning.de - robtex.com

mail.hbs-elearning.de

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:bf2f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:319c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.156Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.191.47🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.49.156, 172.67.191.47
IPv6 hints2606:4700:3032::ac43:bf2f, 2606:4700:3037::6815:319c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=199, name=cloudflare-ech.com

hbs-elearning.de

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:bf2f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:319c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.156Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.191.47🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelijah.ns.cloudflare.com ⭐
NSsky.ns.cloudflare.com
TXTgoogle-site-verification=hOm4u5s2uxBRxL1vrwrnfvvxmSA2qcN5G_sKJFPZY84
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.49.156, 172.67.191.47
IPv6 hints2606:4700:3032::ac43:bf2f, 2606:4700:3037::6815:319c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=199, name=cloudflare-ech.com
SOAelijah.ns.cloudflare.comdns@cloudflare.com serial=2402432585

Previously MX for

hbs-elearning.de

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.49.156172.67.191.472606:4700:3032::ac43:bf2f2606:4700:3037::6815:319c84.19.175.3
●A104.21.49.1562026-04-23 → 2026-04-25 · 3 obs
○ 2016-07-15 21:41:54
● 2026-04-23 09:25:18
● 2026-04-25 12:50:38
●A172.67.191.472026-04-23 → 2026-04-25 · 3 obs
○ 2016-07-15 21:41:54
● 2026-04-23 09:25:18
● 2026-04-25 12:50:38
●A2606:4700:3032::ac43:bf2f2026-04-23 → 2026-04-25 · 3 obs
○ 2016-07-15 21:41:54
● 2026-04-23 09:25:18
● 2026-04-25 12:50:38
●A2606:4700:3037::6815:319c2026-04-23 → 2026-04-25 · 3 obs
○ 2016-07-15 21:41:54
● 2026-04-23 09:25:18
● 2026-04-25 12:50:38
○A84.19.175.32015-06-06 → 2016-07-15 · 4 obs
● 2015-06-06 15:12:54
● 2016-07-15 21:41:54
○ 2026-04-23 09:25:18
○ 2026-04-25 12:50:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
hbs-elearning.desky.ns.cloudflare.com, elijah.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.253

NS records: sky.ns.cloudflare.com, elijah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hbs-elearning.de (unsigned zone)

⏱️ Timing

Total: 905ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.191.47, 104.21.49.156
AAAA22606:4700:3037::6815:319c, 2606:4700:3032::ac43:bf2f
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.hbs-elearning.de resolves to four IP numbers: 2606:4700:3032::ac43:bf2f, 2606:4700:3037::6815:319c, 104.21.49.156 and 172.67.191.47.

Other host names such as pro24.tradefromchina.ru, sqr.ru, inallarsigorta.com, federalresourceguide.com and camillesbakery.com share IPs with mail.hbs-elearning.de.