ulas.ch - robtex.com

ulas.ch

DNSSEC🔒 Signed (DS record present)
A142.132.146.97🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC
PTRrlx16.loginserver.ch
NSns1.nameserver.center
A2a01:4f8:141:1490::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.nameserver.center
A46.4.116.137🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3
PTRns1.nameserver.center
NSns1.senpai.ch
A46.4.116.137🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3
PTRns1.nameserver.center
NSns2.senpai.ch
A185.48.229.4🇨🇭 netcup-AS185.48.228.0/22 NETCUP-GMBH
PTRns2.nameserver.center
MXmail.ulas.ch
A142.132.146.97🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC
PTRrlx16.loginserver.ch
SOAns1.nameserver.centerhostmaster@ulas.ch 2026-07-23 #1

ch

DNSSEC🔒 Signed (DS record present)
NSa.nic.ch
NSb.nic.ch
NSd.nic.ch
NSe.nic.ch
NSf.nic.ch
SOAa.nic.chdns-operation@switch.ch 2026-07-24 #32

Subdomains

Same first word

Similar names

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSns1.nameserver.centerns1.senpai.chns2.senpai.chMXmail.ulas.chA142.132.146.97213.133.103.20
NSns1.nameserver.center2026-06-13 → 2026-07-24 · 3 obs
○ 2015-06-30 23:19:02
● 2026-06-13 09:39:10
● 2026-07-24 14:45:28
NSns1.senpai.ch2015-06-30 → 2026-07-24 · 2 obs
● 2015-06-30 23:19:02
● 2026-07-24 14:45:28
NSns2.senpai.ch2015-06-30 → 2026-07-24 · 2 obs
● 2015-06-30 23:19:02
● 2026-07-24 14:45:28
MXmail.ulas.ch2015-06-30 → 2026-07-24 · 2 obs
● 2015-06-30 23:19:02
● 2026-07-24 14:45:28
A142.132.146.972026-06-13 → 2026-07-24 · 3 obs
○ 2021-03-03 00:51:46
● 2026-06-13 09:39:10
● 2026-07-24 14:45:28
A213.133.103.202015-06-30 → 2021-03-03 · 4 obs
● 2015-06-30 23:19:02
● 2021-03-03 00:51:46
○ 2026-06-13 09:39:10
○ 2026-07-24 14:45:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
che.nic.ch, f.nic.ch, b.nic.ch, d.nic.ch...-
ulas.chns1.senpai.ch, ns2.senpai.ch2 records

✅ Authoritative Response

Server:46.4.116.137

NS records: ns1.senpai.ch, ns2.senpai.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 424ms | Queries: -

📄 Records

TypeCountSample Data
A1142.132.146.97
NS2ns2.senpai.ch, ns1.senpai.ch
MX1mail.ulas.ch (pri: 10)
SOA1ns1.nameserver.center hostmaster.ulas.ch

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.senpai.ch, ns1.senpai.ch)

Analysis

Hierarchy

ulas.ch serves as the parent of mail.ulas.ch.

IP Addresses

ulas.ch has exactly one IP address — 142.132.146.97.

mail.martinoni.info, krohm.ch, muaythai-thun.ch plus two other host names have IP numbers in common with ulas.ch.

Name Servers

ulas.ch has three name servers — ns1.nameserver.center, ns1.senpai.ch and ns2.senpai.ch.

ulas.ch has at least partial name server overlap with other domains, such as veggan.ch, vrmanagement.ch, nspublish.io and two others.

ns2.nameserver.center, ns1.local-host.ch and ns2.local-host.ch — plus 7 other name servers — are commonly paired with these name servers.

Host names pointing to two IP addresses:

ns1.nameserver.center resolves to 46.4.116.137 and 2a01:4f8:141:1490::2.

Host names resolving to a single IP address:

ns1.senpai.ch resolves to 46.4.116.137.

ns2.senpai.ch resolves to 185.48.229.4.

The host names ns1.nameserver.center and ns1.senpai.ch both resolve to 46.4.116.137 IP addresses.

Mail Servers

ulas.ch uses one mail server — mail.ulas.ch.

mail.ulas.ch points to one IP number — 142.132.146.97.