`mx02.serwartec.de`

DNSSEC	⚠️ Not signed
A	217.91.144.109^{🇩🇪 DTAG217.80.0.0/12 Deutsche Telekom AG, Internet service provider}
		PTR	`mx02.mk-metalfree.com`
		PTR	`mx02.mk-versuchsanlagen.de`
		PTR	`mx02.serwartec.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`

`serwartec.de`

	DNSSEC	⚠️ Not signed
	A	2a01:238:20a:202:1086::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
	A	81.169.145.86^{🇩🇪 STRATO81.169.144.0/22 AG}
	NS	`docks09.rzone.de` ⭐
	NS	`shades15.rzone.de`
	MX	`mx-01-eu-central-1.prod.hydra.sophos.com` ⭐
	MX	`mx-02-eu-central-1.prod.hydra.sophos.com`⁽²⁰⁾
	TXT	`v=spf1 mx include:_spf_eucentral1.prod.hydra.sophos.com -all`
	TXT	`sophos-domain-verification=b764b29aeb8eea42c37ca347103f03dbd8f6ebaf1b8917034c...`
	SOA	`docks09.rzone.de`hostmaster@strato-rz.de 2020-05-15 #70

PTR for

109.144.91.217.in-addr.arpa

Previously MX for

serwartec.de

Same first word

mx02.gov.mz

mx02.ru

mx02.de

mx02.123hjemmeside.dk

mx02.gov.bf

mx02.kinghost.net

mx02.gov.jo

Similar names

20xm.com

02xm.com

20mx.com

02xm.top

mx20.com

m20x.com

20xm.cn

mx20.org

xm02.com

xm20.top

xm20.com

mx20.de

xm02.net

DNS History

3 records (2 active, 1 former)

○MXsmtp.rzone.de2015-08-08 → 2016-07-07 · 3 obs

● 2015-08-08 03:06:04
● 2016-07-07 17:30:36
○ 2026-04-25 17:51:34

●MXsmtpin.rzone.de2026-04-25 → 2026-04-25 · 2 obs

○ 2016-07-07 17:30:36
● 2026-04-25 17:51:34

●A217.91.144.1092015-08-08 → 2026-04-25 · 2 obs

● 2015-08-08 03:06:04
● 2026-04-25 17:51:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
serwartec.de	docks09.rzone.de, shades15.rzone.de	-

✅ Authoritative Response

Server:185.132.34.142

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for serwartec.de (unsigned zone)

⏱️ Timing

Total: 1297ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.91.144.109`
MX	1	`smtpin.rzone.de (pri: 5)`

Analysis

IP Addresses

mx02.serwartec.de points to a single IP address: 217.91.144.109.

Other host names, such as mx02.mk-metalfree.com and mx02.mk-versuchsanlagen.de, share IP numbers with mx02.serwartec.de.

Mail Servers

The smtpin.rzone.de mail server handles mx02.serwartec.de.

mx02.serwartec.de shares the same mail server setup as other domains, including eurascert.at, mail.attempel.de, aqualoop.de, mx0.teichm.de and vlielant.com.

smtpin.rzone.de points to two IP numbers: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

mx02.serwartec.de - robtex.com