mx0.congruent.de - robtex.com

mx0.congruent.de

DNSSEC⚠️ Not signed
A91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl1.sedo.com ⭐ ⚠️ Not in parent delegation
A91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl2.sedo.com ⚠️ Not in parent delegation
A91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI
MXlocalhost
TXTv=spf1 -all
SOAsl1.sedo.comhostmaster@sedo.de 2018-05-16 #1

congruent.de

DNSSEC⚠️ Not signed
A91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl1.sedo.com
NSsl2.sedo.com
MXlocalhost
TXTv=spf1 -all
SOAsl1.sedo.comhostmaster@sedo.de 2018-05-16 #1

Previously MX for

Same first word

Similar names

DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026NSsl1.sedo.comsl2.sedo.comMXlocalhostA91.195.241.23280.237.138.5
NSsl1.sedo.com2026-06-22 → 2026-07-30 · 2 obs
● 2026-06-22 14:23:34
● 2026-07-30 05:16:34
NSsl2.sedo.com2026-06-22 → 2026-07-30 · 2 obs
● 2026-06-22 14:23:34
● 2026-07-30 05:16:34
MXlocalhost2026-06-22 → 2026-07-30 · 2 obs
● 2026-06-22 14:23:34
● 2026-07-30 05:16:34
A80.237.138.52015-07-14 → 2026-03-13 · 4 obs
● 2015-07-14 01:20:58
● 2026-03-13 13:14:14
○ 2026-06-22 14:23:34
○ 2026-07-30 05:16:34
A91.195.241.2322026-06-22 → 2026-07-30 · 3 obs
○ 2026-03-13 13:14:14
● 2026-06-22 14:23:34
● 2026-07-30 05:16:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
congruent.desl1.sedo.com, sl2.sedo.com-

✅ Authoritative Response

Server:91.195.240.173

NS records: sl1.sedo.com, sl2.sedo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congruent.de (unsigned zone)

⏱️ Timing

Total: 730ms | Queries: -

📄 Records

TypeCountSample Data
A191.195.241.232
NS2sl1.sedo.com, sl2.sedo.com
MX1localhost (pri: 0)
TXT1v=spf1 -all
SOA1sl1.sedo.com hostmaster.sedo.de

Analysis

IP Addresses

mx0.congruent.de has exactly one IP address — 91.195.241.232.

null.dn.amsterdam, keeler.eu, badco.eu plus two other host names have IP numbers in common with mx0.congruent.de.

Name Servers

DNS delegation for mx0.congruent.de points to two name servers: sl1.sedo.com and sl2.sedo.com.

The name server configuration of mx0.congruent.de is shared with other domains, for instance beyou.de, se-se.com, skyhi.de and two others.

mx0.congruent.de has partial name server overlap with other domains, including b88.co.uk.

sl1.sedo.com directs to 91.195.240.173 and sl2.sedo.com directs to 91.195.241.173; each host name points to exactly one IP number.

Mail Servers

mx0.congruent.de uses one mail server — localhost.

The mail server setup of mx0.congruent.de matches that of other domains such as mail.data-center.com, dispatch.it, www.hwzone.net and two others.