mail.devbrain.de - robtex.com

mail.devbrain.de

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:13b6🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:bb0e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.19.182Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.187.14🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.19.182, 172.67.187.14
IPv6 hints2606:4700:3034::6815:13b6, 2606:4700:3036::ac43:bb0e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=9, name=cloudflare-ech.com

devbrain.de

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:13b6🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:bb0e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.19.182Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.187.14🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarturo.ns.cloudflare.com ⭐
NSmina.ns.cloudflare.com
MX_dc-mx.7bd9b112e599.devbrain.de ⭐
TXTv=spf1 mx -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.19.182, 172.67.187.14
IPv6 hints2606:4700:3034::6815:13b6, 2606:4700:3036::ac43:bb0e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=9, name=cloudflare-ech.com
SOAarturo.ns.cloudflare.comdns@cloudflare.com serial=2400182637

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.19.182172.67.187.142606:4700:3034::6815:13b62606:4700:3036::ac43:bb0e141.101.32.241
●A104.21.19.1822026-02-18 → 2026-04-24 · 3 obs
○ 2016-05-03 10:18:28
● 2026-02-18 17:10:26
● 2026-04-24 02:55:20
○A141.101.32.2412015-08-20 → 2016-05-03 · 4 obs
● 2015-08-20 06:56:40
● 2016-05-03 10:18:28
○ 2026-02-18 17:10:26
○ 2026-04-24 02:55:20
●A172.67.187.142026-02-18 → 2026-04-24 · 3 obs
○ 2016-05-03 10:18:28
● 2026-02-18 17:10:26
● 2026-04-24 02:55:20
●A2606:4700:3034::6815:13b62026-02-18 → 2026-04-24 · 3 obs
○ 2016-05-03 10:18:28
● 2026-02-18 17:10:26
● 2026-04-24 02:55:20
●A2606:4700:3036::ac43:bb0e2026-02-18 → 2026-04-24 · 3 obs
○ 2016-05-03 10:18:28
● 2026-02-18 17:10:26
● 2026-04-24 02:55:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
devbrain.dearturo.ns.cloudflare.com, mina.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.251

NS records: arturo.ns.cloudflare.com, mina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devbrain.de (unsigned zone)

⏱️ Timing

Total: 1024ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.187.14, 104.21.19.182
AAAA22606:4700:3034::6815:13b6, 2606:4700:3036::ac43:bb0e
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.devbrain.de points to four IP numbers: 2606:4700:3034::6815:13b6, 2606:4700:3036::ac43:bb0e, 104.21.19.182 and 172.67.187.14.

Other host names, for instance hey.yamagi.sa.com, createall.net, outlook.cat, www.barackobamatest.com and kabayanhotel.com.ph share IP numbers with mail.devbrain.de.