`digi-cert.ch`

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.digi-cert.ch` ⭐
		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

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-04-18 #24

Subdomains

mail.digi-cert.ch

Same first word

digi-cert.at

digi-cert.de

digi-cert.ch

Similar names

cid-tiger.org

cid-tiger.com

cid-tiger.net

DNS History

7 records (4 active, 3 former)

●NSns01.psw.net2026-02-17 → 2026-04-18 · 3 obs

○ 2016-12-24 04:30:32
● 2026-02-17 11:02:36
● 2026-04-18 10:58:10

●NSns02.psw.net2026-02-17 → 2026-04-18 · 3 obs

○ 2016-12-24 04:30:32
● 2026-02-17 11:02:36
● 2026-04-18 10:58:10

○NSns05.psw.net2015-07-12 → 2016-12-24 · 4 obs

● 2015-07-12 09:36:56
● 2016-12-24 04:30:32
○ 2026-02-17 11:02:36
○ 2026-04-18 10:58:10

○NSns06.psw.net2015-07-12 → 2016-12-24 · 4 obs

● 2015-07-12 09:36:56
● 2016-12-24 04:30:32
○ 2026-02-17 11:02:36
○ 2026-04-18 10:58:10

●MXmail.digi-cert.ch2015-07-12 → 2026-04-18 · 2 obs

● 2015-07-12 09:36:56
● 2026-04-18 10:58:10

○A62.216.172.682015-07-12 → 2016-01-24 · 4 obs

● 2015-07-12 09:36:56
● 2016-01-24 08:32:40
○ 2016-04-18 09:00:22
○ 2026-04-18 10:58:10

●A93.187.249.122016-04-18 → 2026-04-18 · 3 obs

○ 2016-01-24 08:32:40
● 2016-04-18 09:00:22
● 2026-04-18 10:58:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
digi-cert.ch	ns01.psw.net, ns02.psw.net	-

✅ Authoritative Response

Server:212.218.89.83

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for digi-cert.ch (unsigned zone)

⏱️ Timing

Total: 959ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.187.249.12`
NS	2	`ns02.psw.net, ns01.psw.net`
MX	1	`mail.digi-cert.ch (pri: 10)`
SOA	1	`ns01.psw.net hostmaster.ns01.psw.net`

Analysis

Hierarchy

digi-cert.ch is the parent of mail.digi-cert.ch.

IP Addresses

digi-cert.ch points to a single IP number: 93.187.249.12.

other host names for instance md-ssl.de, epkimanager.de, rapidssl.de, thawtessl.ch and litessl.de share IP numbers with digi-cert.ch.

Name Servers

digi-cert.ch is delegated to two name servers: ns01.psw.net and ns02.psw.net.

digi-cert.ch shares the same name server setup as other domains, for example testedinformationsecurity.com, tls-zertifikat.at, pswgroup.org, signaturkarten.de and elite-ssl.de.

digi-cert.ch at least partially shares its name servers with other domains, for instance usertrust.cz.

Host names with one IP number:

The host ns01.psw.net points to 93.187.249.18 and the host ns02.psw.net points to 212.218.89.83.

Mail Servers

digi-cert.ch is handled by a single mail server, mail.digi-cert.ch.

Host name mail.digi-cert.ch points to IP address 93.187.249.12.

digi-cert.ch - robtex.com

digi-cert.ch

ch