prep.ch - dns.ninja
prep.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 2026-07-27 #25 | ||||||
Subdomains
mail.prep.ch |
Same first word
Similar names
DNS History
16 records (11 active, 5 former)
●NSns01.parahoster.com2026-03-28 → 2026-07-27 · 3 obs
● 2026-03-28 12:00:24
● 2026-07-27 11:11:58
●NSns02.parahoster.com2026-03-28 → 2026-07-27 · 3 obs
● 2026-03-28 12:00:24
● 2026-07-27 11:11:58
○NSns1.parahoster.com2015-06-10 → 2016-10-04 · 4 obs
● 2016-10-04 19:23:44
○ 2026-03-28 12:00:24
○ 2026-07-27 11:11:58
○NSns2.parahoster.com2015-06-10 → 2016-10-04 · 4 obs
● 2016-10-04 19:23:44
○ 2026-03-28 12:00:24
○ 2026-07-27 11:11:58
●MXalt1.aspmx.l.google.com2015-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:11:58
●MXalt2.aspmx.l.google.com2015-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:11:58
●MXaspmx.l.google.com2015-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:11:58
●MXaspmx2.googlemail.com2015-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:11:58
●MXaspmx3.googlemail.com2015-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:11:58
○MXaspmx4.googlemail.com2015-06-10 → 2016-10-04 · 4 obs
● 2016-10-04 19:23:44
○ 2026-03-28 12:00:24
○ 2026-07-27 11:11:58
○MXaspmx5.googlemail.com2015-06-10 → 2016-10-04 · 4 obs
● 2016-10-04 19:23:44
○ 2026-03-28 12:00:24
○ 2026-07-27 11:11:58
●A198.185.159.1442026-03-28 → 2026-07-27 · 3 obs
● 2026-03-28 12:00:24
● 2026-07-27 11:11:58
●A198.185.159.1452026-03-28 → 2026-07-27 · 3 obs
● 2026-03-28 12:00:24
● 2026-07-27 11:11:58
●A198.49.23.1442026-03-28 → 2026-07-27 · 3 obs
● 2026-03-28 12:00:24
● 2026-07-27 11:11:58
●A198.49.23.1452026-03-28 → 2026-07-27 · 3 obs
● 2026-03-28 12:00:24
● 2026-07-27 11:11:58
○A80.74.149.1922015-06-10 → 2016-10-04 · 4 obs
● 2016-10-04 19:23:44
○ 2026-03-28 12:00:24
○ 2026-07-27 11:11:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| prep.ch | ns01.parahoster.com, ns02.parahoster.com | - |
✅ Authoritative Response
Server:185.46.59.85
NS records: ns01.parahoster.com, ns02.parahoster.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for prep.ch (unsigned zone)
⏱️ Timing
Total: 990ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.185.159.144, 198.49.23.144... |
| NS | 2 | ns01.parahoster.com, ns02.parahoster.com |
| MX | 5 | ALT1.ASPMX.L.GOOGLE.COM (pri: 5), ASPMX2.GOOGLEMAIL.COM (pri: 10)... |
| TXT | 1 | v=spf1 a mx include:_spf.google.com ~all |
| SOA | 1 | ns01.parahoster.com info.prep.ch |
Analysis
Hierarchy
mail.prep.ch is delegated beneath prep.ch.
IP Addresses
prep.ch points to the four IP addresses 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.
tourlebrew.com, superpenn.com, tonyquattro.com plus two other host names have IP numbers in common with prep.ch.
Name Servers
prep.ch is delegated to two name servers: ns01.parahoster.com and ns02.parahoster.com.
The name server configuration of prep.ch is shared with other domains, for instance ladifference.ch, guama.ch, condylator.com and two others.
ns01.parahoster.com → 185.46.59.85 and ns02.parahoster.com → 141.95.16.175: one IP number per host name.
Mail Servers
prep.ch has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
At least some of the mail servers used by prep.ch are shared with other domains: tickles.nl, lauritz.me, smile51.com and two others among them.
These mail servers are often deployed together with alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx2.googlemail.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com points to 172.253.122.26 and 2607:f8b0:4004:c23::1a.
alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 108.177.123.27 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.27 IP addresses.