do-ar.ch - dns.ninja
do-ar.ch
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 2026-08-10 #32 | ||||||
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
●NSns.checkdomain.de2015-07-20 → 2026-08-10 · 2 obs
● 2026-08-10 14:32:42
●NSns2.checkdomain.de2015-07-20 → 2026-08-10 · 2 obs
● 2026-08-10 14:32:42
○MXabe-mail.de2015-07-20 → 2017-05-28 · 4 obs
● 2017-05-28 02:45:38
○ 2021-10-23 06:44:18
○ 2026-08-10 14:32:42
●MXalt1.aspmx.l.google.com2021-10-23 → 2026-08-10 · 3 obs
● 2021-10-23 06:44:18
● 2026-08-10 14:32:42
●MXalt2.aspmx.l.google.com2021-10-23 → 2026-08-10 · 3 obs
● 2021-10-23 06:44:18
● 2026-08-10 14:32:42
●MXalt3.aspmx.l.google.com2021-10-23 → 2026-08-10 · 3 obs
● 2021-10-23 06:44:18
● 2026-08-10 14:32:42
●MXalt4.aspmx.l.google.com2021-10-23 → 2026-08-10 · 3 obs
● 2021-10-23 06:44:18
● 2026-08-10 14:32:42
●MXaspmx.l.google.com2021-10-23 → 2026-08-10 · 3 obs
● 2021-10-23 06:44:18
● 2026-08-10 14:32:42
●A0.0.0.02026-03-29 → 2026-08-10 · 3 obs
● 2026-03-29 02:30:28
● 2026-08-10 14:32:42
○A159.69.90.2482021-10-23 → 2021-10-23 · 4 obs
● 2021-10-23 06:44:18
○ 2026-03-29 02:30:28
○ 2026-08-10 14:32:42
○A2a01:4f8:1c1c:a98a::42021-10-23 → 2021-10-23 · 4 obs
● 2021-10-23 06:44:18
○ 2026-03-29 02:30:28
○ 2026-08-10 14:32:42
○A78.46.51.922015-07-20 → 2017-05-28 · 4 obs
● 2017-05-28 02:45:38
○ 2021-10-23 06:44:18
○ 2026-08-10 14:32:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| do-ar.ch | ns2.checkdomain.de, ns.checkdomain.de | - |
✅ Authoritative Response
Server:109.237.143.11
NS records: ns2.checkdomain.de, ns.checkdomain.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for do-ar.ch (unsigned zone)
⏱️ Timing
Total: 977ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 0.0.0.0 |
| NS | 2 | ns2.checkdomain.de, ns.checkdomain.de |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | google-site-verification=V4o0Sf6OAWZYKqN |
| SOA | 1 | ns.checkdomain.de dejan\.obrenovic.gmx.d |
Analysis
IP Addresses
do-ar.ch has exactly one IP address — 0.0.0.0.
mail.linearis.co.uk, myrsswebfeed.com, in-addr-84-86-81.fixed.kpn.net plus two other host names have IP numbers in common with do-ar.ch.
Name Servers
The NS records for do-ar.ch delegate to ns2.checkdomain.de and ns.checkdomain.de.
The name server configuration of do-ar.ch is shared with other domains, for instance totzi.net, buettner-security.info, kamelhof.com and two others.
ns2.checkdomain.de resolves to 5.9.190.98 and 2a01:4f8:2b02:a88::106. Likewise, ns.checkdomain.de resolves to 109.237.143.11 and 2a02:2b80:101:5000::9 — two IP addresses apiece.
Mail Servers
do-ar.ch is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by do-ar.ch are shared with other domains: reson8r.com, ns500731.ns500671.ns500754.ns500671.ns500742.ns500742.ns500731.ns500705.ns500688.ns500705.ns500705.ns500671.ns500291.ns500649.tenderladiesbz.com, ns500671.ns500731.ns500731.ns500704.ns500688.ns500291.ns500291.ns500688.ns500291.ns500153.tenderladiesbz.com and two others among them.
These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx3.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
The A records for aspmx.l.google.com return 142.251.179.26 and 2607:f8b0:4004:c21::1b.
The A records for alt1.aspmx.l.google.com return 192.178.234.26 and 2800:3f0:4003:c14::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.
The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.
The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1a.