`w01b4aaa.kasserver.com`

DNSSEC	⚠️ Not signed
A	85.13.165.5^{🇩🇪 NMM-AS85.13.165.0/24 Neue Medien Muennich}
		PTR	`dd49032.kasserver.com`

`kasserver.com`

	DNSSEC	⚠️ Not signed
	A	85.13.159.123^{🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich}
	NS	`ns5.kasserver.com` ⭐
	NS	`ns1.kas-dns-service.de`
	NS	`ns14.kas-dns-service.de`
	NS	`ns6.kasserver.com`
	NS	`ns7.kasserver.com`
	MX	`mx.kasserver.com` ⭐
	TXT	`v=spf1 a mx ip4:85.13.128.0/18 ip4:185.3.40.0/22 ip6:2a02:2d40::/32 ~all`
	SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2607271820

WOT: SAFE (78/100)
rank #40947 globally
rank #20067 in the tld
WOT: SAFE (80/100)
📈 Tranco rank: #2,600

MX for

assistuff.de

Same first word

w01b4aaa.kasserver.com

DNS History

1 record (1 active, 0 former)

●A85.13.165.52026-04-13 → 2026-07-27 · 2 obs

● 2026-04-13 01:21:24
● 2026-07-27 17:44:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
kasserver.com	ns5.kasserver.com, ns6.kasserver.com, ns7.kasserver.com, ns14.kas-dns-service.de...	3 records

✅ Authoritative Response

Server:85.13.128.3

NS records: ns5.kasserver.com, ns6.kasserver.com, ns7.kasserver.com, ns14.kas-dns-service.de, ns1.kas-dns-service.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kasserver.com (unsigned zone)

⏱️ Timing

Total: 285ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.165.5`

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (ns5.kasserver.com, ns6.kasserver.com, ns7.kasserver.com)

Analysis

Mail Server Role

The mail server w01b4aaa.kasserver.com processes email for assistuff.de.

IP Addresses

w01b4aaa.kasserver.com resolves to just one IP address, 85.13.165.5.

Two other host names, along with typobuero.com, www.ausser.haus and buesumurlaub.de, also share IP numbers with w01b4aaa.kasserver.com.

w01b4aaa.kasserver.com - robtex.com