`mathe-express.net`

DNSSEC	⚠️ Not signed
A	85.13.128.201^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
		PTR	`dd1932.kasserver.com`
NS	`ns3.kasserver.com` ⭐
		A	85.13.128.2^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
			PTR	`ns3.kasserver.com`
NS	`ns4.kasserver.com`
		A	85.13.140.2^{🇩🇪 NMM-AS85.13.140.0/24 Neue Medien Muennich}
			PTR	`ns4.kasserver.com`
MX	`v154818.kasserver.com` ⭐
		A	85.13.128.201^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
			PTR	`dd1932.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns3.kasserver.com`hostmaster@kasserver.com serial=2512091317

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778818006

Subdomains

www.mathe-express.net

DNS History

5 records (4 active, 1 former)

●NSns3.kasserver.com2015-08-21 → 2026-05-15 · 2 obs

● 2015-08-21 06:12:30
● 2026-05-15 04:28:14

●NSns4.kasserver.com2015-08-21 → 2026-05-15 · 2 obs

● 2015-08-21 06:12:30
● 2026-05-15 04:28:14

○MXmail.mathe-express.net2015-08-21 → 2016-11-21 · 4 obs

● 2015-08-21 06:12:30
● 2016-11-21 20:20:18
○ 2016-11-30 01:53:30
○ 2026-05-15 04:28:14

●MXv154818.kasserver.com2016-11-30 → 2026-05-15 · 3 obs

○ 2016-11-21 20:20:18
● 2016-11-30 01:53:30
● 2026-05-15 04:28:14

●A85.13.128.2012015-08-21 → 2026-05-15 · 2 obs

● 2015-08-21 06:12:30
● 2026-05-15 04:28:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	h.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...	-
mathe-express.net	ns3.kasserver.com, ns4.kasserver.com	-

✅ Authoritative Response

Server:85.13.128.2

NS records: ns3.kasserver.com, ns4.kasserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathe-express.net (unsigned zone)

⏱️ Timing

Total: 973ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.128.201`
NS	2	`ns3.kasserver.com, ns4.kasserver.com`
MX	1	`v154818.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
SOA	1	`ns3.kasserver.com hostmaster.kasserver.c`

Analysis

Hierarchy

mathe-express.net is parent of www.mathe-express.net.

IP Addresses

mathe-express.net points to a single IP: 85.13.128.201.

Other host names, for instance w006c4da.kasserver.com, w005799c.kasserver.com, wingenfeld.org, woeffen.com and pltdde.kasserver.com share IP numbers with mathe-express.net.

Name Servers

mathe-express.net's delegation is to two name servers ns3.kasserver.com and ns4.kasserver.com.

mathe-express.net shares the same name server configuration as other domains, such as pgpilot.de, sandspiel.com, rolandschweiger.de, ofcfans.de and canosdemeca.com.

mathe-express.net shares name servers with other domains at least partially, for instance gorillaforums.com, mbt-brunner.at and picea.at.

These name servers are often used together with the name servers ns5.kasserver.com.

Host names with a single IP:

ns3.kasserver.com resolves to 85.13.128.2.

ns4.kasserver.com resolves to 85.13.140.2.

Mail Servers

mathe-express.net is served by a single mail server, v154818.kasserver.com.

v154818.kasserver.com points to IP number 85.13.128.201.

mathe-express.net - robtex.com