`xmatematicas.com`

DNSSEC	⚠️ Not signed
NS	`ns5.kasserver.com` ⚠️ Not in zone NS records
		A	85.13.128.3^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
			PTR	`ns5.kasserver.com`
NS	`ns6.kasserver.com` ⚠️ Not in zone NS records
		A	85.13.159.101^{🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich}
			PTR	`ns6.kasserver.com`

`com`

	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=1776084372

Same first word

xmatematicas.com

DNS History

6 records (2 active, 4 former)

●NSns5.kasserver.com2015-08-01 → 2026-04-13 · 2 obs

● 2015-08-01 20:32:10
● 2026-04-13 13:15:02

●NSns6.kasserver.com2015-08-01 → 2026-04-13 · 2 obs

● 2015-08-01 20:32:10
● 2026-04-13 13:15:02

○MXmail.xmatematicas.com2015-08-01 → 2016-07-16 · 4 obs

● 2015-08-01 20:32:10
● 2016-07-16 04:16:36
○ 2017-03-23 02:22:44
○ 2026-04-13 13:15:02

○MXw0122338.kasserver.com2017-03-23 → 2020-02-06 · 5 obs

○ 2016-07-16 04:16:36
● 2017-03-23 02:22:44
● 2020-02-06 03:29:28
○ 2026-04-07 22:55:48
○ 2026-04-13 13:15:02

○A85.13.133.632015-08-01 → 2017-03-23 · 4 obs

● 2015-08-01 20:32:10
● 2017-03-23 02:22:44
○ 2020-02-06 03:29:28
○ 2026-04-13 13:15:02

○A85.13.150.1632020-02-06 → 2020-02-06 · 4 obs

○ 2017-03-23 02:22:44
● 2020-02-06 03:29:28
○ 2026-04-07 22:55:48
○ 2026-04-13 13:15:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
xmatematicas.com	ns5.kasserver.com, ns6.kasserver.com	2 records

✅ Authoritative Response

Server:85.13.128.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xmatematicas.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns5.kasserver.com, ns6.kasserver.com)

Analysis

Name Servers

xmatematicas.com is delegated to two name servers: ns5.kasserver.com and ns6.kasserver.com.

xmatematicas.com uses the same name server setup as other domains, including wonderbar.de, ghostwriting.org, tompictures.com, rigport.com and familie-krentscher.de.

At least part of the name servers for xmatematicas.com are shared with other domains, for instance coronamaps.de, sc-music.de, e-mobil-markt.de, klinik-coach.de and brain-tank.de.

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

Hostnames with a single IP

ns5.kasserver.com resolves to: 85.13.128.3.

ns6.kasserver.com resolves to: 85.13.159.101.

xmatematicas.com - robtex.com