qrf.ch - robtex.com
qrf.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 193.203.253.73🇨🇭 hosttech-AS193.203.253.0/24 | ||||||
| PTR | srv01-97596-mvdc.hostserv.eu | ||||||
| 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 | ||||||
| MX | mail.qrf.ch ⭐ | ||||||
| A | 193.203.253.73🇨🇭 hosttech-AS193.203.253.0/24 | ||||||
| PTR | srv01-97596-mvdc.hostserv.eu | ||||||
| SOA | ch.pro.iohostmaster@qrf.ch 2024-11-29 #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 2026-05-09 #36 | ||||||
Subdomains
mail.qrf.ch |
Same first word
qrf.ch |
qrf.it |
qrf.co.za |
qrf.me |
qrf.nl |
qrf.fi |
qrf.net |
qrf.org.au |
qrf.eu |
qrf.de |
qrf.com |
qrf.be |
qrf.mobi |
qrf.at |
qrf.com.au |
qrf.org |
qrf.us |
qrf.in |
qrf.co |
qrf.ru |
Similar names
DNS History
10 records (5 active, 5 former)
●NSch.pro.io2026-03-10 → 2026-05-09 · 3 obs
● 2026-03-10 11:12:38
● 2026-05-09 16:37:08
●NSnl.pro.io2026-03-10 → 2026-05-09 · 3 obs
● 2026-03-10 11:12:38
● 2026-05-09 16:37:08
○NSns.ch-inter.net2015-06-29 → 2018-08-14 · 4 obs
● 2018-08-14 18:29:16
○ 2026-03-10 11:12:38
○ 2026-05-09 16:37:08
○NSns1.csistaub.ch2015-06-29 → 2018-08-14 · 4 obs
● 2018-08-14 18:29:16
○ 2026-03-10 11:12:38
○ 2026-05-09 16:37:08
○NSns2.csistaub.ch2015-06-29 → 2018-08-14 · 4 obs
● 2018-08-14 18:29:16
○ 2026-03-10 11:12:38
○ 2026-05-09 16:37:08
●NSp.dnh.net2026-03-10 → 2026-05-09 · 3 obs
● 2026-03-10 11:12:38
● 2026-05-09 16:37:08
●MXmail.qrf.ch2015-06-29 → 2026-05-09 · 2 obs
● 2026-05-09 16:37:08
●A193.203.253.732026-03-10 → 2026-05-09 · 3 obs
● 2026-03-10 11:12:38
● 2026-05-09 16:37:08
○A80.74.142.1102015-06-29 → 2017-01-09 · 4 obs
● 2017-01-09 17:45:28
○ 2018-08-14 18:29:16
○ 2026-05-09 16:37:08
○A94.126.19.542018-08-14 → 2018-08-14 · 4 obs
● 2018-08-14 18:29:16
○ 2026-03-10 11:12:38
○ 2026-05-09 16:37:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, d.nic.ch, b.nic.ch, f.nic.ch... | - |
| qrf.ch | ch.pro.io, nl.pro.io, p.dnh.net | - |
✅ Authoritative Response
Server:109.237.142.19
NS records: ch.pro.io, nl.pro.io, p.dnh.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 991ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.203.253.73 |
| NS | 3 | nl.pro.io, p.dnh.net... |
| MX | 1 | mail.qrf.ch (pri: 0) |
| SOA | 1 | ch.pro.io hostmaster.qrf.ch |
Analysis
Hierarchy
qrf.ch is parent of mail.qrf.ch.
IP Addresses
qrf.ch points to a single IP: 193.203.253.73.
Other host names, for instance wisma.ch, www.greenkeeping.org, jswu.ch, gaertnermeister.org and mail.jswu.ch share IP numbers with qrf.ch.
Name Servers
qrf.ch is delegated to three name servers: ch.pro.io, nl.pro.io and p.dnh.net.
qrf.ch at least partially shares its name servers with other domains, for instance 6044.ch, oia.ch, freefloat.ch, sharedoffice.ch and markus-michel.ch.
Host names with two IP numbers:
ch.pro.io points to: 2a01:64c0:0:5000::19 and 109.237.142.19.
nl.pro.io points to: 2a01:4f8:fff3:66::219 and 176.9.166.219.
p.dnh.net points to: 2a02:2b80:101:5000::19 and 109.237.143.19.
Mail Servers
qrf.ch is served by a single mail server, mail.qrf.ch.
mail.qrf.ch points to IP number 193.203.253.73.