mx0.cesref.de - dns.ninja

mx0.cesref.de

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:2686🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:def5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.134Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.245🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.38.134, 172.67.222.245
IPv6 hints2606:4700:3034::6815:2686, 2606:4700:3037::ac43:def5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=132, name=cloudflare-ech.com

cesref.de

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:2686🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:def5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.134Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.245🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSeric.ns.cloudflare.com ⭐
NSpam.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
MXroute3.mx.cloudflare.net(12)
MXroute1.mx.cloudflare.net(71)
TXT28a8952ab8ef6c8e1bb042352aa35df551b51ed6
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.38.134, 172.67.222.245
IPv6 hints2606:4700:3034::6815:2686, 2606:4700:3037::ac43:def5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=132, name=cloudflare-ech.com
SOAeric.ns.cloudflare.comdns@cloudflare.com serial=2405199443

Previously MX for

cesref.de

Same first word

mx0.de
mx0.pt
mx0.net
mx0.in
mx0.email
mx0.nl
mx0.kinghost.net
mx0.mx
mx0.cn
mx0.com
mx0.na4u.ru
mx0.me
mx0.ca
mx0.ru
mx0.org
mx0.eu
mx0.fr

Similar names

xm0.top
x0m.net
0mx.com
x0m.de
m0x.ru
0mx.de
m0x.org
m0x.de
xm0.net
m0x.io
xm0.cc
m0x.net
xm0.ru
m0x.com
xm0.com
x0m.ru
0mx.net
0xm.de
0mx.cc
0xm.com
0mx.org
0xm.cc
x0m.com
0mx.ru
0mx.cn
0xm.net
x0m.cn
m0x.in
m0x.us
m0x.cn

DNS History

5 records (4 active, 1 former)

2017201820192020202120222023202420252026A104.21.38.134172.67.222.2452606:4700:3034::6815:26862606:4700:3037::ac43:def580.237.138.5
●A104.21.38.1342026-07-14 → 2026-07-14 · 3 obs
○ 2016-12-24 21:43:52
● 2026-07-14 01:51:02
● 2026-07-14 01:51:04
●A172.67.222.2452026-07-14 → 2026-07-14 · 3 obs
○ 2016-12-24 21:43:52
● 2026-07-14 01:51:02
● 2026-07-14 01:51:04
●A2606:4700:3034::6815:26862026-07-14 → 2026-07-14 · 3 obs
○ 2016-12-24 21:43:52
● 2026-07-14 01:51:02
● 2026-07-14 01:51:04
●A2606:4700:3037::ac43:def52026-07-14 → 2026-07-14 · 3 obs
○ 2016-12-24 21:43:52
● 2026-07-14 01:51:02
● 2026-07-14 01:51:04
○A80.237.138.52016-10-07 → 2016-12-24 · 4 obs
● 2016-10-07 03:28:40
● 2016-12-24 21:43:52
○ 2026-07-14 01:51:02
○ 2026-07-14 01:51:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
cesref.depam.ns.cloudflare.com, eric.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.112

NS records: pam.ns.cloudflare.com, eric.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cesref.de (unsigned zone)

⏱️ Timing

Total: 1301ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.222.245, 104.21.38.134
AAAA22606:4700:3034::6815:2686, 2606:4700:3037::ac43:def5
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mx0.cesref.de has four IP addresses: 104.21.38.134, 172.67.222.245, 2606:4700:3034::6815:2686 and 2606:4700:3037::ac43:def5.

(0x706f726e)(0x72656474756265).com, rotaryaukcija.com, wt.cldcr-app.com plus two other host names have IP numbers in common with mx0.cesref.de.