`mail.collin-co.com`

DNSSEC	⚠️ Not signed
MX	`smtp.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::2097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtp.rzone.de`
		A	81.169.145.98^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtp.rzone.de`

`collin-co.com`

	DNSSEC	⚠️ Not signed
	A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
	A	217.160.0.132^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
	NS	`docks09.rzone.de` ⭐
	NS	`shades15.rzone.de`
	MX	`smtp.rzone.de` ⭐
	SOA	`docks09.rzone.de`hostmaster@strato-rz.de 2024-01-16 #25

Same first word

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DNS History

1 record (1 active, 0 former)

●MXsmtp.rzone.de2026-02-23 → 2026-04-14 · 2 obs

● 2026-02-23 13:14:04
● 2026-04-14 09:12:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
collin-co.com	docks09.rzone.de, shades15.rzone.de	-

✅ Authoritative Response

Server:217.160.80.136

NS records: docks09.rzone.de, shades15.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for collin-co.com (unsigned zone)

⏱️ Timing

Total: 524ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`smtp.rzone.de (pri: 5)`

Analysis

Mail Servers

A single mail server handles mail.collin-co.com, smtp.rzone.de.

mail.collin-co.com shares the same mail server setup as other domains, for instance juicybenefits.com, creba.nl, absolutemedia.eu, eco24.es and tnd.de.

The host name smtp.rzone.de resolves to two IP numbers: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.

mail.collin-co.com - robtex.com