`cooltec-systems.de`

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.de` ⭐
		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`
TXT	`MS=ms11827588`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2601212235

`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=1773553752

Subdomains

mail.cooltec-systems.de

Same first word

cooltec-systems.de

cooltec-systems.info

DNS History

11 records (4 active, 7 former)

●NSns5.kasserver.com2015-08-09 → 2026-03-23 · 3 obs

○ 2009-01-13 09:22:08
● 2015-08-09 03:08:34
● 2026-03-23 23:14:08

○NSns55.1und1.de2009-01-13 → 2009-01-13 · 3 obs

● 2009-01-13 09:22:08
○ 2015-08-09 03:08:34
○ 2026-03-23 23:14:08

○NSns56.1und1.de2009-01-13 → 2009-01-13 · 3 obs

● 2009-01-13 09:22:08
○ 2015-08-09 03:08:34
○ 2026-03-23 23:14:08

●NSns6.kasserver.com2015-08-09 → 2026-03-23 · 3 obs

○ 2009-01-13 09:22:08
● 2015-08-09 03:08:34
● 2026-03-23 23:14:08

●MXmail.cooltec-systems.de2015-08-09 → 2026-03-23 · 3 obs

○ 2009-01-13 09:22:08
● 2015-08-09 03:08:34
● 2026-03-23 23:14:08

○MXmx00.kundenserver.de2009-01-13 → 2009-01-13 · 3 obs

● 2009-01-13 09:22:08
○ 2015-08-09 03:08:34
○ 2026-03-23 23:14:08

○MXmx01.kundenserver.de2009-01-13 → 2009-01-13 · 3 obs

● 2009-01-13 09:22:08
○ 2015-08-09 03:08:34
○ 2026-03-23 23:14:08

○MXw00f62c6.kasserver.com2015-08-09 → 2015-08-09 · 4 obs

○ 2009-01-13 09:22:08
● 2015-08-09 03:08:34
○ 2015-11-25 15:52:52
○ 2026-03-23 23:14:08

○A212.227.2.1302009-01-13 → 2009-01-13 · 3 obs

● 2009-01-13 09:22:08
○ 2015-08-09 03:08:34
○ 2026-03-23 23:14:08

○A85.13.139.1132015-08-09 → 2019-04-03 · 5 obs

○ 2009-01-13 09:22:08
● 2015-08-09 03:08:34
● 2019-04-03 22:59:24
○ 2026-03-15 23:50:24
○ 2026-03-23 23:14:08

●A85.13.154.1062026-03-15 → 2026-03-23 · 3 obs

○ 2019-04-03 22:59:24
● 2026-03-15 23:50:24
● 2026-03-23 23:14:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
cooltec-systems.de	ns5.kasserver.com, ns6.kasserver.com	-

✅ 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.de (unsigned zone)

⏱️ Timing

Total: 1374ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.154.106`
NS	2	`ns6.kasserver.com, ns5.kasserver.com`
MX	1	`mail.cooltec-systems.de (pri: 10)`
TXT	2	`MS=ms11827588, v=spf1 mx a:w00f62c6.kasserver.com ip4:8`
SOA	1	`ns5.kasserver.com hostmaster.kasserver.c`

Analysis

Hierarchy

cooltec-systems.de is the parent of mail.cooltec-systems.de.

IP Addresses

cooltec-systems.de points to IP number 85.13.154.106.

For instance, other host names mail.tarot-club.de, w0108f94.kasserver.com, allgaeuer-lechner.de, uro-sta.de and wenzelides.de share IP numbers with cooltec-systems.de.

Name Servers

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

cooltec-systems.de uses the same name server setup as other domains such as gesineschmidt.com, fluegelbote.de, waannu.com, jay-parts.com and hotel-holzinger.at.

cooltec-systems.de shares name servers with other domains at least partially, for example mediat-e.de, kriminalmenue.de, schabernack-hamburg.de, musikakademie-aachen.de and studifutt.de.

These name servers are commonly used together with ns3.ai-dns.de, ns5.name-server-kas.de, a-dns-service.de and ns3.kas-dns-server.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.de is handled by a single mail server, mail.cooltec-systems.de.

mail.cooltec-systems.de points to a single IP: 80.152.142.103.

cooltec-systems.de - robtex.com