`cooltec-systems.com`

DNSSEC	⚠️ Not signed
A	85.13.154.106^{🇩🇪 NMM-AS85.13.154.0/24 Neue Medien Muennich}
		PTR	`dd37828.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	`mail.cooltec-systems.com` ⭐
		A	80.152.142.103^{🇩🇪 DTAG80.152.0.0/14 Deutsche Telekom AG, Internet service provider}
			PTR	`mail.cooltec-systems.de`
TXT	`v=spf1 mx a:w00f62c6.kasserver.com ip4:80.152.142.103 ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2511021102

`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=1771291435

Same first word

cooltec-systems.de

cooltec-systems.info

DNS History

14 records (4 active, 10 former)

○NSns-de.1and1-dns.biz2015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 18:24:58
○ 2015-11-18 23:46:00
○ 2026-03-24 08:18:04

○NSns-de.1and1-dns.com2015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 18:24:58
○ 2015-11-18 23:46:00
○ 2026-03-24 08:18:04

○NSns-de.1and1-dns.de2015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 18:24:58
○ 2015-11-18 23:46:00
○ 2026-03-24 08:18:04

○NSns-de.1and1-dns.org2015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 18:24:58
○ 2015-11-18 23:46:00
○ 2026-03-24 08:18:04

●NSns5.kasserver.com2015-11-18 → 2026-03-24 · 3 obs

○ 2015-07-20 18:24:58
● 2015-11-18 23:46:00
● 2026-03-24 08:18:04

●NSns6.kasserver.com2015-11-18 → 2026-03-24 · 3 obs

○ 2015-07-20 18:24:58
● 2015-11-18 23:46:00
● 2026-03-24 08:18:04

○MXcooltec-otterloh.dyndns.biz2015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 18:24:58
○ 2015-11-18 23:46:00
○ 2026-03-24 08:18:04

●MXmail.cooltec-systems.com2015-07-20 → 2026-03-24 · 2 obs

● 2015-07-20 18:24:58
● 2026-03-24 08:18:04

○MXmx00.kundenserver.de2015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 18:24:58
○ 2015-11-18 23:46:00
○ 2026-03-24 08:18:04

○MXmx01.kundenserver.de2015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 18:24:58
○ 2015-11-18 23:46:00
○ 2026-03-24 08:18:04

○A2001:8d8:1000:f0:396d:a57e:7f4f:68242015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 18:24:58
○ 2015-11-18 23:46:00
○ 2026-03-24 08:18:04

○A212.227.2.1302015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 18:24:58
○ 2015-11-18 23:46:00
○ 2026-03-24 08:18:04

○A85.13.139.1132015-11-18 → 2020-02-10 · 5 obs

○ 2015-07-20 18:24:58
● 2015-11-18 23:46:00
● 2020-02-10 03:21:08
○ 2026-03-24 08:18:02
○ 2026-03-24 08:18:04

●A85.13.154.1062026-03-24 → 2026-03-24 · 3 obs

○ 2020-02-10 03:21:08
● 2026-03-24 08:18:02
● 2026-03-24 08:18:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
cooltec-systems.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 cooltec-systems.com (unsigned zone)

⏱️ Timing

Total: 269ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.154.106`
NS	2	`ns5.kasserver.com, ns6.kasserver.com`
MX	1	`mail.cooltec-systems.com (pri: 10)`
TXT	1	`v=spf1 mx a:w00f62c6.kasserver.com ip4:8`
SOA	1	`ns5.kasserver.com hostmaster.kasserver.c`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

cooltec-systems.com resolves to one IP number: 85.13.154.106.

other host names including w0108f94.kasserver.com, allgaeuer-lechner.de, uro-sta.de, wenzelides.de and astrologie-forum.de share IP numbers with cooltec-systems.com.

Name Servers

cooltec-systems.com is delegated to two name servers ns5.kasserver.com and ns6.kasserver.com.

cooltec-systems.com shares the same name server setup as other domains, for instance sicherheitsglas24.com, maerz-marketing.de, kneipenkrimi.com, powerdruck-deutschland.de and capered.net.

cooltec-systems.com shares at least some name servers with other domains, for example ts-keller.de, ost2rad.de and matthiasfriel.de.

These name servers are commonly used alongside ns3.ai-dns.de and ns5.name-server-kas.de.

Host names with one IP number:

ns5.kasserver.com points to 85.13.128.3

ns6.kasserver.com points to 85.13.159.101

Mail Servers

cooltec-systems.com is handled by a single mail server, mail.cooltec-systems.com.

mail.cooltec-systems.com resolves to IP 80.152.142.103.

cooltec-systems.com - robtex.com