`server1.ext-com.de`

	DNSSEC	⚠️ Not signed
	A	142.132.248.223

`ext-com.de`

	DNSSEC	⚠️ Not signed
	A	85.13.167.99
	NS	`ns1.contabo.net` ⭐
	NS	`ns2.contabo.net`
	NS	`ns3.contabo.net`
	MX	`mx01.hornetsecurity.com` ⭐
	MX	`mx02.hornetsecurity.com`⁽²⁰⁾
	MX	`mx03.hornetsecurity.com`⁽³⁰⁾
	MX	`mx04.hornetsecurity.com`⁽⁴⁰⁾
	TXT	`google-site-verification=uATBD1bslTvyN04Rh2FLcibayfbiwkILbi_59FpgzIM`
	TXT	`MS=ms13192372`
	TXT	`10b43qkvcf3bzrpb3k3h7x1cv9pyqbm3`
	TXT	`bw=jIAIcZkXhk5xkjpLSUXdWP9FjjRCojPKy2K9GaETLUjt`
	TXT	`_to8h08lbkcfusydc2gddbd01um0telv`
	TXT	`atlassian-domain-verification=Pmu3RMcrW9twlkrBYDL33mopcZ36FFvKdnROpFwMi9ubg8p...`
	TXT	`_1fcqjiosg9egew6zsgxe5vqh106r1pk`
	TXT	`v=spf1 redirect=ext-com.de.spf.hornetdmarc.com`
	TXT	`apple-domain-verification=TRHIzpyBdIOfX7Xl`
	TXT	`facebook-domain-verification=sauemouey06z7wci21nkl3en635t48`
	TXT	`jmdjr6r4l0km6dy2520mndbz9jyfrw51`
	TXT	`83nzdmzszlhl20vd1j2tf7s126kg2ts6`
	TXT	`Sendinblue-code:109875d1155e484245b35f6273da2121`
	SOA	`ns1.contabo.net`hostmaster@contabo.de serial=1775600105

PTR for

223.248.132.142.in-addr.arpa

MX for

efficiency-tools.com

djabuse.de

m1ch4.com

Same first word

server1.org

server1.gr

server1.hu

server1.cloud

server1.club

server1.eu

server1.info

server1.lv

server1.cc

server1.net

server1.dk

server1.co.za

server1.bplaced.net

server1.de

server1.com.de

server1.pl

server1.com

server1.co.kr

server1.jp

server1.pro

server1.ca

server1.uk.com

server1.ge

server1.at

server1.bg

server1.3utilities.com

server1.no

server1.nl

server1.se

server1.net.br

server1.ch

server1.ru

server1.com.au

server1.com.br

server1.co

Similar names

1server.com.ua

1server.cz

1server.co

1server.co.uk

1server.de

1server.fr

1server.cn

1server.com

resrve1.com

1server.info

1server.work

1server.ru

1server.xyz

1server.one

1server.net

1server.nz

DNS History

1 record (1 active, 0 former)

●A142.132.248.2232026-03-31 → 2026-04-25 · 2 obs

● 2026-03-31 23:47:14
● 2026-04-25 09:25:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
ext-com.de	ns2.contabo.net, ns3.contabo.net, ns1.contabo.net	-

✅ Authoritative Response

Server:195.179.224.10

NS records: ns2.contabo.net, ns3.contabo.net, ns1.contabo.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ext-com.de (unsigned zone)

⏱️ Timing

Total: 2161ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`142.132.248.223`

Analysis

Mail Server Role

server1.ext-com.de acts as mail server for efficiency-tools.com, djabuse.de and m1ch4.com.

IP Addresses

server1.ext-com.de points to a single IP number: 142.132.248.223.

server1.ext-com.de - robtex.com