`paulgrob.ch`

DNSSEC	⚠️ Not signed
A	46.229.46.141^{🇩🇪 PLUSSERVER-ASN146.229.46.0/24 Secure Netz}
NS	`ns1.alvente.com` ⭐
		A	212.162.15.8^{🇩🇪 PLUSSERVER-ASN1212.162.12.0/22 Symgenius GmbH & Co. KG}
			PTR	`ns1.alvente.com`
NS	`ns2.alvente.com`
		A	213.203.243.51^{🇩🇪 PLUSSERVER-ASN1213.203.240.0/21 PlusServer GmbH Aggregate Hamburg}
MX	`mail.paulgrob.ch` ⭐
		A	46.229.46.141^{🇩🇪 PLUSSERVER-ASN146.229.46.0/24 Secure Netz}
TXT	`v=spf1 include:spf1.x-mailer.de include:spf2.x-mailer.de -all`
SOA	`ns1.alvente.com`hostmaster@paulgrob.ch 2017-01-30 #0

`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 2026-06-24 #27

Previously MX for

paulgrob.ch

Subdomains

hostmaster.paulgrob.ch

mail.paulgrob.ch

Same first word

paulgrob.ch

Similar names

DNS History

6 records (4 active, 2 former)

●NSns1.alvente.com2015-08-07 → 2026-06-24 · 2 obs

● 2015-08-07 00:36:34
● 2026-06-24 12:11:00

●NSns2.alvente.com2015-08-07 → 2026-06-24 · 2 obs

● 2015-08-07 00:36:34
● 2026-06-24 12:11:00

●MXmail.paulgrob.ch2026-06-13 → 2026-06-24 · 3 obs

○ 2016-06-26 23:36:52
● 2026-06-13 01:47:38
● 2026-06-24 12:11:00

○MXpaulgrob.ch2015-08-07 → 2016-06-26 · 4 obs

● 2015-08-07 00:36:34
● 2016-06-26 23:36:52
○ 2026-06-13 01:47:38
○ 2026-06-24 12:11:00

○A212.162.56.2072015-08-07 → 2016-06-26 · 4 obs

● 2015-08-07 00:36:34
● 2016-06-26 23:36:52
○ 2026-06-13 01:47:38
○ 2026-06-24 12:11:00

●A46.229.46.1412026-06-13 → 2026-06-24 · 3 obs

○ 2016-06-26 23:36:52
● 2026-06-13 01:47:38
● 2026-06-24 12:11:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch...	-
paulgrob.ch	ns2.alvente.com, ns1.alvente.com	-

✅ Authoritative Response

Server:213.203.243.51

NS records: ns2.alvente.com, ns1.alvente.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for paulgrob.ch (unsigned zone)

⏱️ Timing

Total: 903ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.229.46.141`
NS	2	`ns1.alvente.com, ns2.alvente.com`
MX	1	`mail.paulgrob.ch (pri: 0)`
TXT	1	`v=spf1 include:spf1.x-mailer.de include:`
SOA	1	`ns1.alvente.com hostmaster.paulgrob.ch`

Analysis

Hierarchy

hostmaster.paulgrob.ch and mail.paulgrob.ch are both subdomains of paulgrob.ch.

IP Addresses

paulgrob.ch resolves to one IP address: 46.229.46.141.

hostmaster.sassi.ch, mail.pointmedia.ch, umeisser.ch and two other host names share IP numbers with paulgrob.ch.

Name Servers

DNS delegation for paulgrob.ch points to two name servers: ns1.alvente.com and ns2.alvente.com.

paulgrob.ch uses the same name servers as several other domains — among them sassi.ch, lunchbox.ch, travelexperience.ch and two more.

The name servers for paulgrob.ch are partially shared with other domains like wysocki.ch, holzschutz.ch and furrer.net

These name servers tend to be deployed in combination with the name servers ns1.nsentry.de and ns2.nsentry.de.

Each of ns1.alvente.com and ns2.alvente.com has one IP address: ns1.alvente.com uses 212.162.15.8 and ns2.alvente.com uses 213.203.243.51.

Mail Servers

Mail for paulgrob.ch is handled by a single mail server, mail.paulgrob.ch.

mail.paulgrob.ch has exactly one IP number: 46.229.46.141.

paulgrob.ch - robtex.com

paulgrob.ch

ch