mail.dev-domain.de - robtex.com

mail.dev-domain.de

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:cc53🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:452b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.69.43Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.83🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.69.43, 172.67.204.83
IPv6 hints2606:4700:3033::ac43:cc53, 2606:4700:3034::6815:452b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com

dev-domain.de

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:cc53🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:452b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.69.43Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.83🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdina.ns.cloudflare.com ⭐
NStodd.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.69.43, 172.67.204.83
IPv6 hints2606:4700:3033::ac43:cc53, 2606:4700:3034::6815:452b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com
SOAdina.ns.cloudflare.comdns@cloudflare.com serial=2402853226

Previously MX for

dev-domain.de

Same first word

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DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026A104.21.69.43172.67.204.832606:4700:3033::ac43:cc532606:4700:3034::6815:452b37.120.160.214
●A104.21.69.432026-05-09 → 2026-05-09 · 2 obs
○ 2017-01-08 20:20:36
● 2026-05-09 16:39:56
●A172.67.204.832026-05-09 → 2026-05-09 · 2 obs
○ 2017-01-08 20:20:36
● 2026-05-09 16:39:56
●A2606:4700:3033::ac43:cc532026-05-09 → 2026-05-09 · 2 obs
○ 2017-01-08 20:20:36
● 2026-05-09 16:39:56
●A2606:4700:3034::6815:452b2026-05-09 → 2026-05-09 · 2 obs
○ 2017-01-08 20:20:36
● 2026-05-09 16:39:56
○A37.120.160.2142017-01-08 → 2017-01-08 · 2 obs
● 2017-01-08 20:20:36
○ 2026-05-09 16:39:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
dev-domain.dedina.ns.cloudflare.com, todd.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.107

NS records: dina.ns.cloudflare.com, todd.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dev-domain.de (unsigned zone)

⏱️ Timing

Total: 610ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.204.83, 104.21.69.43
AAAA22606:4700:3033::ac43:cc53, 2606:4700:3034::6815:452b
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.dev-domain.de maps to four IP numbers: 2606:4700:3033::ac43:cc53, 2606:4700:3034::6815:452b, 104.21.69.43 and 172.67.204.83.

Other host names such as immoprice.com, abc123autumn.com, rsgslingerboslevant.nl, kevinbrewington.com and escaladagranada.es share IPs with mail.dev-domain.de.