problems.ch - dns.ninja
problems.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ch.pro.io ⭐ | ||||||
| A | 2a01:64c0:0:5000::19🇩🇪 CLOUDPIT2a01:64c0::/32 | ||||||
| PTR | ch.pro.io | ||||||
| A | 109.237.142.19🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | ch.pro.io | ||||||
| NS | nl.pro.io | ||||||
| A | 2a01:4f8:fff3:66::219🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | nl.pro.io | ||||||
| A | 176.9.166.219🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4 | ||||||
| PTR | nl.pro.io | ||||||
| NS | p.dnh.net | ||||||
| A | 2a02:2b80:101:5000::19🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| PTR | p.dnh.net | ||||||
| A | 109.237.143.19🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | p.dnh.net | ||||||
| SOA | ch.pro.iohostmaster@problems.ch 2022-01-26 #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.chdns-operation@switch.ch 2026-06-20 #39 | ||||||
Same first word
problems.de |
problems.click |
problems.world |
problems.ch |
problems.pro |
problems.net |
problems.ru |
problems.ir |
problems.pk |
problems.org.uk |
problems.support |
problems.me |
problems.be |
DNS History
7 records (3 active, 4 former)
●NSch.pro.io2026-04-06 → 2026-06-20 · 3 obs
○ 2015-11-24 23:31:26
● 2026-04-06 10:55:38
● 2026-06-20 17:52:34
● 2026-04-06 10:55:38
● 2026-06-20 17:52:34
●NSnl.pro.io2026-04-06 → 2026-06-20 · 3 obs
○ 2015-11-24 23:31:26
● 2026-04-06 10:55:38
● 2026-06-20 17:52:34
● 2026-04-06 10:55:38
● 2026-06-20 17:52:34
○NSns1.speedpc.ch2015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 01:39:58
○ 2015-11-24 23:31:26
○ 2026-06-20 17:52:34
○ 2015-11-24 23:31:26
○ 2026-06-20 17:52:34
○NSns2.speedpc.ch2015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 01:39:58
○ 2015-11-24 23:31:26
○ 2026-06-20 17:52:34
○ 2015-11-24 23:31:26
○ 2026-06-20 17:52:34
●NSp.dnh.net2026-04-06 → 2026-06-20 · 3 obs
○ 2015-11-24 23:31:26
● 2026-04-06 10:55:38
● 2026-06-20 17:52:34
● 2026-04-06 10:55:38
● 2026-06-20 17:52:34
○MXmail.problems.ch2015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 01:39:58
○ 2015-11-24 23:31:26
○ 2026-06-20 17:52:34
○ 2015-11-24 23:31:26
○ 2026-06-20 17:52:34
○A212.90.207.1582015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 01:39:58
○ 2015-11-24 23:31:26
○ 2026-06-20 17:52:34
○ 2015-11-24 23:31:26
○ 2026-06-20 17:52:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | e.nic.ch, a.nic.ch, d.nic.ch, b.nic.ch... | - |
| problems.ch | p.dnh.net, nl.pro.io, ch.pro.io | - |
✅ Authoritative Response
Server:109.237.143.19
NS records: p.dnh.net, nl.pro.io, ch.pro.io
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 936ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ch.pro.io, p.dnh.net... |
| SOA | 1 | ch.pro.io hostmaster.problems.ch |
Analysis
Name Servers
problems.ch has three name servers — ch.pro.io, nl.pro.io and p.dnh.net.
At least some of problems.ch's name servers are shared with other domains, for example radiohill.ch, kii.ch, bibliothekskatalog-efb.ch and two more.
Each of ch.pro.io, nl.pro.io and p.dnh.net points to two IP numbers. ch.pro.io points to 109.237.142.19 and 2a01:64c0:0:5000::19. nl.pro.io points to 176.9.166.219 and 2a01:4f8:fff3:66::219. p.dnh.net points to 109.237.143.19 and 2a02:2b80:101:5000::19.