mail.m-grothmann.de - robtex.com

mail.m-grothmann.de

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:add🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:92ce🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.10.221Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.206🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.10.221, 172.67.146.206
IPv6 hints2606:4700:3033::6815:add, 2606:4700:3034::ac43:92ce
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com

m-grothmann.de

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:add🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:92ce🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.10.221Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.206🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSvida.ns.cloudflare.com ⭐
NSwells.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.10.221, 172.67.146.206
IPv6 hints2606:4700:3033::6815:add, 2606:4700:3034::ac43:92ce
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com
SOAvida.ns.cloudflare.comdns@cloudflare.com serial=2400062620

Previously MX for

m-grothmann.de

Same first word

mail.world
mail.pe
mail.sunnyday.jp
mail.group
mail.gov
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mail.ss
liam.co.il
mail.co
mail.tc
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amil.us
almi.hr
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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.10.221172.67.146.2062606:4700:3033::6815:add2606:4700:3034::ac43:92ce178.254.27.587.238.192.97
●A104.21.10.2212026-03-29 → 2026-04-14 · 3 obs
○ 2016-07-08 10:31:44
● 2026-03-29 00:50:08
● 2026-04-14 09:12:24
●A172.67.146.2062026-03-29 → 2026-04-14 · 3 obs
○ 2016-07-08 10:31:44
● 2026-03-29 00:50:08
● 2026-04-14 09:12:24
○A178.254.27.52015-05-27 → 2016-03-18 · 4 obs
● 2015-05-27 09:00:26
● 2016-03-18 17:44:04
○ 2016-07-08 10:31:44
○ 2026-04-14 09:12:24
●A2606:4700:3033::6815:add2026-03-29 → 2026-04-14 · 3 obs
○ 2016-07-08 10:31:44
● 2026-03-29 00:50:08
● 2026-04-14 09:12:24
●A2606:4700:3034::ac43:92ce2026-03-29 → 2026-04-14 · 3 obs
○ 2016-07-08 10:31:44
● 2026-03-29 00:50:08
● 2026-04-14 09:12:24
○A87.238.192.972016-07-08 → 2016-07-08 · 4 obs
○ 2016-03-18 17:44:04
● 2016-07-08 10:31:44
○ 2026-03-29 00:50:08
○ 2026-04-14 09:12:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
m-grothmann.devida.ns.cloudflare.com, wells.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.125

NS records: vida.ns.cloudflare.com, wells.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for m-grothmann.de (unsigned zone)

⏱️ Timing

Total: 551ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.146.206, 104.21.10.221
AAAA22606:4700:3033::6815:add, 2606:4700:3034::ac43:92ce
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.m-grothmann.de points to four IP numbers: 2606:4700:3033::6815:add, 2606:4700:3034::ac43:92ce, 104.21.10.221 and 172.67.146.206.

Other host names, for instance ozebasa.top, 7o4n2.lfl8848.club, beatscratch.io, oddsplace.nl and kolahghermezi.com share IP numbers with mail.m-grothmann.de.