`certificatekey-matcher.com`

DNSSEC	⚠️ Not signed
A	93.187.249.12^{🇩🇪 RHTEC-AS93.187.248.0/21 PSW Group GmbH & Co. KG}
		PTR	`vmi11013.psw.net`
NS	`ns01.psw.net` ⭐
		A	93.187.249.18^{🇩🇪 RHTEC-AS93.187.248.0/21 PSW Group GmbH & Co. KG}
			PTR	`ns01.psw.net`
NS	`ns02.psw.net`
		A	212.218.89.83^{🇩🇪 NETHINKS-AS212.218.0.0/16 NETHINKS GmbH IP-Space}
MX	`mail.certificatekey-matcher.com` ⭐
		A	93.187.249.12^{🇩🇪 RHTEC-AS93.187.248.0/21 PSW Group GmbH & Co. KG}
			PTR	`vmi11013.psw.net`
SOA	`ns01.psw.net`hostmaster@ns01.psw.net 2020-12-12 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777220936

Subdomains

mail.certificatekey-matcher.com

DNS History

7 records (4 active, 3 former)

●NSns01.psw.net2026-04-26 → 2026-04-26 · 3 obs

○ 2018-06-13 21:38:32
● 2026-04-26 16:40:20
● 2026-04-26 16:40:22

●NSns02.psw.net2026-04-26 → 2026-04-26 · 3 obs

○ 2018-06-13 21:38:32
● 2026-04-26 16:40:20
● 2026-04-26 16:40:22

○NSns05.psw.net2015-05-26 → 2018-06-13 · 4 obs

● 2015-05-26 17:33:48
● 2018-06-13 21:38:32
○ 2026-04-26 16:40:20
○ 2026-04-26 16:40:22

○NSns06.psw.net2015-05-26 → 2018-06-13 · 4 obs

● 2015-05-26 17:33:48
● 2018-06-13 21:38:32
○ 2026-04-26 16:40:20
○ 2026-04-26 16:40:22

●MXmail.certificatekey-matcher.com2015-05-26 → 2026-04-26 · 2 obs

● 2015-05-26 17:33:48
● 2026-04-26 16:40:22

○A62.216.172.682015-05-26 → 2018-06-13 · 4 obs

● 2015-05-26 17:33:48
● 2018-06-13 21:38:32
○ 2026-04-26 16:40:20
○ 2026-04-26 16:40:22

●A93.187.249.122026-04-26 → 2026-04-26 · 3 obs

○ 2018-06-13 21:38:32
● 2026-04-26 16:40:20
● 2026-04-26 16:40:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
certificatekey-matcher.com	ns01.psw.net, ns02.psw.net	-

✅ Authoritative Response

Server:93.187.249.18

NS records: ns01.psw.net, ns02.psw.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certificatekey-matcher.com (unsigned zone)

⏱️ Timing

Total: 1095ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.187.249.12`
NS	2	`ns01.psw.net, ns02.psw.net`
MX	1	`mail.certificatekey-matcher.com (pri: 10`
SOA	1	`ns01.psw.net hostmaster.ns01.psw.net`

Analysis

Hierarchy

certificatekey-matcher.com is the parent of mail.certificatekey-matcher.com.

IP Addresses

certificatekey-matcher.com resolves to a single IP: 93.187.249.12.

Other host names, for instance mx.tls-zertifikate.ch, trust-provider.de, mail.entry-ssl.cz, securetrust-ssl.ch and sanssl.de share IP numbers with certificatekey-matcher.com.

Name Servers

certificatekey-matcher.com has two name servers: ns01.psw.net and ns02.psw.net.

certificatekey-matcher.com shares the same name server setup as other domains, for example email-certs.de, idval.de, verisign-ssl.at, ssltools.de and geotrust-ssl.cz.

certificatekey-matcher.com shares some name servers with other domains, for example hpkp-faq.de, verisign-ssl.cz, trustwave-ssl.ch, securetrust-ssl.es and usertrust.cz.

These name servers are commonly used together with ns05.psw.net and ns06.psw.net.

Host names with a single IP:

ns01.psw.net points to 93.187.249.18

ns02.psw.net points to 212.218.89.83

Mail Servers

certificatekey-matcher.com is handled by a single mail server, mail.certificatekey-matcher.com.

Host name mail.certificatekey-matcher.com points to IP 93.187.249.12.

certificatekey-matcher.com - robtex.com