`kontext-training.de`

DNSSEC	⚠️ Not signed
A	85.13.128.242^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
		PTR	`dd45922.kasserver.com`
NS	`ns5.kasserver.com` ⭐
		A	85.13.128.3^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
			PTR	`ns5.kasserver.com`
NS	`ns6.kasserver.com`
		A	85.13.159.101^{🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich}
			PTR	`ns6.kasserver.com`
MX	`v155565.kasserver.com` ⭐
		A	85.13.128.242^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
			PTR	`dd45922.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2512151351

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1777144668

Subdomains

mail.kontext-training.de

Same first word

kontext-training.de

DNS History

7 records (4 active, 3 former)

●NSns5.kasserver.com2015-07-11 → 2026-04-25 · 2 obs

● 2015-07-11 12:35:24
● 2026-04-25 19:38:26

●NSns6.kasserver.com2015-07-11 → 2026-04-25 · 2 obs

● 2015-07-11 12:35:24
● 2026-04-25 19:38:26

○MXmail.kontext-training.de2015-07-11 → 2016-06-22 · 4 obs

● 2015-07-11 12:35:24
● 2016-06-22 05:10:52
○ 2017-02-04 10:52:34
○ 2026-04-25 19:38:26

●MXv155565.kasserver.com2017-02-04 → 2026-04-25 · 3 obs

○ 2016-06-22 05:10:52
● 2017-02-04 10:52:34
● 2026-04-25 19:38:26

●A85.13.128.2422026-04-22 → 2026-04-25 · 3 obs

○ 2018-10-13 09:47:02
● 2026-04-22 00:55:16
● 2026-04-25 19:38:26

○A85.13.140.1992015-07-11 → 2017-02-04 · 4 obs

● 2015-07-11 12:35:24
● 2017-02-04 10:52:34
○ 2018-10-13 09:47:02
○ 2026-04-25 19:38:26

○A85.13.157.1692018-10-13 → 2018-10-13 · 4 obs

○ 2017-02-04 10:52:34
● 2018-10-13 09:47:02
○ 2026-04-22 00:55:16
○ 2026-04-25 19:38:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
kontext-training.de	ns5.kasserver.com, ns6.kasserver.com	-

✅ Authoritative Response

Server:85.13.128.3

NS records: ns5.kasserver.com, ns6.kasserver.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at de: Error: DNS query timeout: 194.0.0.53 for DNSKEY de

⏱️ Timing

Total: 3785ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.128.242`
NS	2	`ns5.kasserver.com, ns6.kasserver.com`
MX	1	`v155565.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
SOA	1	`ns5.kasserver.com hostmaster.kasserver.c`

Analysis

Hierarchy

The parent of mail.kontext-training.de is kontext-training.de.

IP Addresses

kontext-training.de points to an IP address: 85.13.128.242.

other host names include hirnwellen-und-bewusstsein.de, w01518dc.kasserver.com, lira-gmbh.com, hangkantenpolitur.de and w005fed9.kasserver.com; they share IP numbers with kontext-training.de.

Name Servers

Two name servers ns5.kasserver.com and ns6.kasserver.com handle the delegation for kontext-training.de.

kontext-training.de shares the same name server setup as other domains, for instance salvador-neue-medien.de, lauder-rockt.de, 184.13.85.in-addr.arpa, teacher4you.net and webcoaching.at.

kontext-training.de at least partially shares name servers with other domains, for instance gazetteur.de, pool-portal.de, unabux.de, muellerbas.de and om-om.de.

These name servers are commonly used with the following: a-dns-service.de, ns3.kas-dns-server.de, ns3.ai-dns.de and ns5.name-server-kas.de.

Host names with one IP:

ns5.kasserver.com points to: 85.13.128.3

ns6.kasserver.com points to: 85.13.159.101

Mail Servers

kontext-training.de is handled by a single mail server, v155565.kasserver.com.

kontext-training.de shares the same mail server setup as other domains such as rhanke.com, ufp.earth, ufpe.org and ufpe.net.

The host name v155565.kasserver.com points to IP 85.13.128.242.

kontext-training.de - robtex.com