`authsmtp.coolsystems.de`

DNSSEC	⚠️ Not signed
A	85.13.139.20^{🇩🇪 NMM-AS85.13.139.0/24 Neue Medien Muennich}
		PTR	`dd27500.kasserver.com`

`coolsystems.de`

	DNSSEC	⚠️ Not signed
	A	85.13.139.20^{🇩🇪 NMM-AS85.13.139.0/24 Neue Medien Muennich}
	NS	`ns5.kasserver.com` ⭐
	NS	`ns6.kasserver.com`
	MX	`w017d619.kasserver.com` ⭐
	TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
	SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2602251256

Same first word

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Similar names

smtpauth.com

smtpauth.be

smtpauth.info

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DNS History

1 record (1 active, 0 former)

●A85.13.139.202026-04-09 → 2026-05-13 · 2 obs

● 2026-04-09 09:23:34
● 2026-05-13 07:40:04

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:85.13.159.101

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolsystems.de (unsigned zone)

⏱️ Timing

Total: 1651ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.139.20`

Analysis

IP Addresses

authsmtp.coolsystems.de points to a single IP address: 85.13.139.20.

Other host names such as online-academy.de, w017fa08.kasserver.com, ayurveda-heilscher.de, w01e99d0.kasserver.com and design-haus-philipp.de share IPs with authsmtp.coolsystems.de.

authsmtp.coolsystems.de - robtex.com