`mx.ptb-systemtechnik.com`

DNSSEC	⚠️ Not signed
A	217.91.187.127^{🇩🇪 DTAG217.80.0.0/12 Deutsche Telekom AG, Internet service provider}
		PTR	`pd95bbb7f.dip0.t-ipconnect.de`

`ptb-systemtechnik.com`

	DNSSEC	⚠️ Not signed
	A	85.13.133.223^{🇩🇪 NMM-AS85.13.133.0/24 Neue Medien Muennich}
	NS	`ns5.kasserver.com` ⭐
	NS	`ns6.kasserver.com`
	MX	`mx.ptb-systemtechnik.com` ⭐
	MX	`w00dcfb9.kasserver.com` ⭐
	SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2604230042

MX for

ptb-systemtechnik.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A217.91.187.1272017-05-25 → 2026-04-23 · 2 obs

● 2017-05-25 20:19:48
● 2026-04-23 05:02:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ptb-systemtechnik.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 ptb-systemtechnik.com (unsigned zone)

⏱️ Timing

Total: 236ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.91.187.127`

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

mx.ptb-systemtechnik.com functions as a mail server for ptb-systemtechnik.com.

w00dcfb9.kasserver.com often serves as a mail server in conjunction with mx.ptb-systemtechnik.com.

IP Addresses

mx.ptb-systemtechnik.com points to IP number: 217.91.187.127.

mx.ptb-systemtechnik.com - robtex.com