`mail.contextis.de`

DNSSEC	⚠️ Not signed
A	91.195.241.232^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`sl1.sedo.com` ⭐ ⚠️ Not in parent delegation
		A	91.195.240.173^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`sl2.sedo.com` ⚠️ Not in parent delegation
		A	91.195.241.173^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
MX	`localhost` ⭐
TXT	`v=spf1 -all`
SOA	`sl1.sedo.com`hostmaster@sedo.de 2018-05-16 #1

`contextis.de`

	DNSSEC	⚠️ Not signed
	A	91.195.241.232^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
	NS	`sl1.sedo.com` ⭐
	NS	`sl2.sedo.com`
	MX	`localhost` ⭐
	TXT	`v=spf1 -all`
	SOA	`sl1.sedo.com`hostmaster@sedo.de 2018-05-16 #1

Same first word

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DNS History

5 records (4 active, 1 former)

●NSsl1.sedo.com2026-04-27 → 2026-06-20 · 2 obs

● 2026-04-27 04:52:34
● 2026-06-20 07:36:32

●NSsl2.sedo.com2026-04-27 → 2026-06-20 · 2 obs

● 2026-04-27 04:52:34
● 2026-06-20 07:36:32

●MXlocalhost2026-04-27 → 2026-06-20 · 2 obs

● 2026-04-27 04:52:34
● 2026-06-20 07:36:32

○A82.71.186.1632015-05-24 → 2016-02-06 · 4 obs

● 2015-05-24 10:27:54
● 2016-02-06 21:58:02
○ 2016-04-30 12:16:46
○ 2026-06-20 07:36:32

●A91.195.241.2322026-04-27 → 2026-06-20 · 3 obs

○ 2016-04-30 12:16:46
● 2026-04-27 04:52:34
● 2026-06-20 07:36:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
contextis.de	sl1.sedo.com, sl2.sedo.com	-

✅ Authoritative Response

Server:91.195.241.173

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contextis.de (unsigned zone)

⏱️ Timing

Total: 1016ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.195.241.232`
NS	2	`sl2.sedo.com, sl1.sedo.com`
MX	1	`localhost (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`sl1.sedo.com hostmaster.sedo.de`

Analysis

IP Addresses

mail.contextis.de directs to one IP number, which is 91.195.241.232.

Among the host names that share IP numbers with mail.contextis.de are mondorskatingdresses.bz.cm.de, skillconnect.eu, mail.ecotee.de and two others.

Name Servers

mail.contextis.de is delegated to two name servers: sl1.sedo.com and sl2.sedo.com.

mail.contextis.de has the same name server delegation as a number of other domains, such as ns2.webdrops.de, 8-static.reverse.thepatriots.de, enlumina.de and two more.

sl1.sedo.com and sl2.sedo.com each resolve to one IP number: sl1.sedo.com points to 91.195.240.173 and sl2.sedo.com points to 91.195.241.173.

Mail Servers

mail.contextis.de routes its mail through a single mail server, localhost.

mail.contextis.de has the same mail server arrangement as a number of other domains, for example bupex.com, marca.com.mx, immomanagement.de and two more.

mail.contextis.de - robtex.com