`activesync.crobit-solution.de`

DNSSEC	⚠️ Not signed
A	87.191.207.152^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
		PTR	`crobit-solution.de`
		PTR	`crobit.de`
		PTR	`activesync.crobit-solution.de`
		PTR	`anywhere.crobit-solution.de`
		PTR	`autodiscover.crobit-solution.de`
		PTR	`dc-1.crobit-solution.de`
		PTR	`ex-1.crobit-solution.de`
		PTR	`mx.crobit-solution.de`
		PTR	`outlook.crobit-solution.de`
		PTR	`servicedesk.crobit-solution.de`
		PTR	`support.crobit-solution.de`
		PTR	`vpn-1.crobit-solution.de`
		PTR	`zs-1.crobit-solution.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtpin.rzone.de`
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`

`crobit-solution.de`

	DNSSEC	⚠️ Not signed
	A	87.191.207.152^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
	NS	`docks07.rzone.de` ⭐
	NS	`shades16.rzone.de`
	MX	`ex-1.crobit-solution.de` ⭐
	MX	`outlook.crobit-solution.de` ⭐
	TXT	`v=spf1 ip4:87.191.207.152 -all`
	SOA	`docks07.rzone.de`hostmaster@strato-rz.de 2021-05-13 #29

PTR for

152.207.191.87.in-addr.arpa

Same first word

activesync.com

activesync.ru

activesync.net

activesync.hu

activesync.be

activesync.ch

activesync.mobi

activesync.avocat.fr

activesync.biz

activesync.co

activesync.eu

activesync.com.au

activesync.jp

activesync.it

Similar names

syncactive.com

DNS History

2 records (2 active, 0 former)

●MXsmtpin.rzone.de2026-02-27 → 2026-05-10 · 2 obs

● 2026-02-27 05:35:20
● 2026-05-10 15:35:04

●A87.191.207.1522026-02-27 → 2026-05-10 · 2 obs

● 2026-02-27 05:35:20
● 2026-05-10 15:35:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
crobit-solution.de	docks07.rzone.de, shades16.rzone.de	-

✅ Authoritative Response

Server:217.160.80.134

NS records: docks07.rzone.de, shades16.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crobit-solution.de (unsigned zone)

⏱️ Timing

Total: 959ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.191.207.152`
MX	1	`smtpin.rzone.de (pri: 5)`

Analysis

IP Addresses

activesync.crobit-solution.de points to an IP address: 87.191.207.152.

other host names include support.crobit-solution.de, servicedesk.crobit-solution.de, autodiscover.crobit-solution.de, anywhere.crobit-solution.de and crobit.de; they share IP numbers with activesync.crobit-solution.de.

Mail Servers

activesync.crobit-solution.de is handled by a single mail server, smtpin.rzone.de.

activesync.crobit-solution.de uses the same mail server setup as other domains, for instance dtfc.org, mail.rae-dr-schmitt.de, afritradehub.com, sanitaetshausberlin.de and pixisports.org.

smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

activesync.crobit-solution.de - robtex.com