mail.one4one.de - robtex.com

mail.one4one.de

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:ccf4🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:326e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.50.110Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.244🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.50.110, 172.67.204.244
IPv6 hints2606:4700:3034::ac43:ccf4, 2606:4700:3035::6815:326e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=100, name=cloudflare-ech.com

one4one.de

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:ccf4🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:326e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.50.110Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.244🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchuck.ns.cloudflare.com ⭐
NStori.ns.cloudflare.com
MX_dc-mx.0672711998c4.one4one.de ⭐
TXTv=spf1 ip4:212.132.105.104 include:one4one.de ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.50.110, 172.67.204.244
IPv6 hints2606:4700:3034::ac43:ccf4, 2606:4700:3035::6815:326e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=100, name=cloudflare-ech.com
SOAchuck.ns.cloudflare.comdns@cloudflare.com serial=2401478105

MX for

one4oneclan.de

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DNS History

4 records (4 active, 0 former)

A104.21.50.110172.67.204.2442606:4700:3034::ac43:ccf42606:4700:3035::6815:326e
●A104.21.50.1102026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 06:52:46
● 2026-04-14 06:20:24
●A172.67.204.2442026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 06:52:46
● 2026-04-14 06:20:24
●A2606:4700:3034::ac43:ccf42026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 06:52:46
● 2026-04-14 06:20:24
●A2606:4700:3035::6815:326e2026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 06:52:46
● 2026-04-14 06:20:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
one4one.detori.ns.cloudflare.com, chuck.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.86

NS records: tori.ns.cloudflare.com, chuck.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for one4one.de (unsigned zone)

⏱️ Timing

Total: 845ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.204.244, 104.21.50.110
AAAA22606:4700:3034::ac43:ccf4, 2606:4700:3035::6815:326e
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Mail Server Role

mail.one4one.de serves as the mail server for one4oneclan.de.

IP Addresses

mail.one4one.de points to four IP numbers: 2606:4700:3034::ac43:ccf4, 2606:4700:3035::6815:326e, 104.21.50.110 and 172.67.204.244.

Other host names including 0316auto.cn, reproductiveassist.com, www.ennaeisenmenger.live, www.cabernetfranc.site and events-wien.com share IP numbers with mail.one4one.de.