`firstclass-training.de`

DNSSEC	⚠️ Not signed
A	85.13.156.167^{🇩🇪 NMM-AS85.13.156.0/24 Neue Medien Muennich}
		PTR	`dd12232.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	`w0183fef.kasserver.com` ⭐
		A	85.13.156.167^{🇩🇪 NMM-AS85.13.156.0/24 Neue Medien Muennich}
			PTR	`dd12232.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2512211133

`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=1774961549

Same first word

firstclass-training.de

DNS History

4 records (4 active, 0 former)

●NSns5.kasserver.com2026-03-29 → 2026-03-31 · 2 obs

● 2026-03-29 04:12:02
● 2026-03-31 13:12:04

●NSns6.kasserver.com2026-03-29 → 2026-03-31 · 2 obs

● 2026-03-29 04:12:02
● 2026-03-31 13:12:04

●MXw0183fef.kasserver.com2026-03-29 → 2026-03-31 · 2 obs

● 2026-03-29 04:12:02
● 2026-03-31 13:12:04

●A85.13.156.1672026-03-29 → 2026-03-31 · 2 obs

● 2026-03-29 04:12:02
● 2026-03-31 13:12:04

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:85.13.159.101

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclass-training.de (unsigned zone)

⏱️ Timing

Total: 691ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.156.167`
NS	2	`ns5.kasserver.com, ns6.kasserver.com`
MX	1	`w0183fef.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
SOA	1	`ns5.kasserver.com hostmaster.kasserver.c`

Analysis

IP Addresses

firstclass-training.de points to an IP address: 85.13.156.167.

other host names include americanpie.de, w0159e3c.kasserver.com, w0147e21.kasserver.com, parkverbot24.com and derhase.de; they share IP numbers with firstclass-training.de.

Name Servers

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

firstclass-training.de shares the same name server setup as other domains, for instance esalnes.com, vivapreis.info, finance-estates.de, lh-support.de and saechsische-staatsbaeder.com.

firstclass-training.de at least partially shares name servers with other domains, for instance brand-pd.de, finanzen-startups.de, martin-gr.de, thueringerland.de and ucado.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

firstclass-training.de is handled by a single mail server, w0183fef.kasserver.com.

The mail server setup for firstclass-training.de is the same as for other domains, such as firstclasstraining.de.

The host name w0183fef.kasserver.com points to IP 85.13.156.167.

firstclass-training.de - robtex.com