janousek.name - robtex.com
janousek.name
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.187.131.47🇨🇿 COOLHOUSING-AS89.187.130.0/23 Network of Coolhousing | ||||||
| PTR | mail6.isol.cz | ||||||
| NS | ns1.isol.cz ⭐ | ||||||
| A | 89.187.131.40🇨🇿 COOLHOUSING-AS89.187.130.0/23 Network of Coolhousing | ||||||
| PTR | ns1.isol.cz | ||||||
| NS | ns2.isol.cz | ||||||
| A | 89.187.131.41🇨🇿 COOLHOUSING-AS89.187.130.0/23 Network of Coolhousing | ||||||
| PTR | mail.isol.cz | ||||||
| MX | mail6.isol.cz ⭐ | ||||||
| A | 89.187.131.47🇨🇿 COOLHOUSING-AS89.187.130.0/23 Network of Coolhousing | ||||||
| PTR | mail6.isol.cz | ||||||
| SOA | ns1.isol.czadmin@janousek.name 2026-01-29 #14 | ||||||
name
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1776200762 | ||||||
Same first word
DNS History
6 records (4 active, 2 former)
●NSns1.isol.cz2015-06-13 → 2026-04-14 · 5 obs
● 2026-04-08 14:50:26
○ 2026-04-13 12:09:54
● 2026-04-14 21:14:36
● 2026-04-14 21:14:40
●NSns2.isol.cz2015-06-13 → 2026-04-14 · 5 obs
● 2026-04-08 14:50:26
○ 2026-04-13 12:09:54
● 2026-04-14 21:14:36
● 2026-04-14 21:14:40
○MXmail2.isol.cz2015-06-13 → 2016-04-19 · 4 obs
● 2016-04-19 23:20:40
○ 2016-12-11 06:55:28
○ 2026-04-14 21:14:40
●MXmail6.isol.cz2016-12-11 → 2026-04-14 · 8 obs
● 2016-12-11 06:55:28
● 2018-01-15 04:53:30
○ 2026-03-10 18:23:44
● 2026-04-08 14:50:26
○ 2026-04-13 12:09:54
● 2026-04-14 21:14:36
● 2026-04-14 21:14:40
○A89.187.131.422015-06-13 → 2016-04-19 · 4 obs
● 2016-04-19 23:20:40
○ 2016-12-11 06:55:28
○ 2026-04-14 21:14:40
●A89.187.131.472016-12-11 → 2026-04-14 · 8 obs
● 2016-12-11 06:55:28
● 2018-01-15 04:53:30
○ 2026-03-10 18:23:44
● 2026-04-08 14:50:26
○ 2026-04-13 12:09:54
● 2026-04-14 21:14:36
● 2026-04-14 21:14:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| name | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | - |
| janousek.name | ns1.isol.cz, ns2.isol.cz | - |
✅ Authoritative Response
Server:89.187.131.40
NS records: ns1.isol.cz, ns2.isol.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for janousek.name (unsigned zone)
⏱️ Timing
Total: 3706ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.187.131.47 |
| NS | 2 | ns2.isol.cz, ns1.isol.cz |
| MX | 1 | mail6.isol.cz (pri: 10) |
| SOA | 1 | ns1.isol.cz admin.janousek.name |
Analysis
IP Addresses
janousek.name points to a single IP number: 89.187.131.47.
Other host names, for instance jazykovestudio.com, mail6.isol.cz, velis.info, kmkk.cz and christine-gis.com share IP numbers with janousek.name.
Name Servers
janousek.name is delegated to two name servers: ns1.isol.cz and ns2.isol.cz.
janousek.name uses the same name server setup as other domains, for instance sbvitkov.cz, interman.cz, isol.cz, bleskin.cz and ds-comp.cz.
janousek.name at least partially shares name servers with other domains, such as rockboard.cz and velis.info and redoza.cz.
these name servers are often used together with the name servers ns3.isol.cz.
Host names with one IP number:
ns1.isol.cz points to: 89.187.131.40.
ns2.isol.cz points to: 89.187.131.41.
Mail Servers
The mail server for janousek.name is mail6.isol.cz.
janousek.name shares the same mail server setup as other domains, including kukni.cz, velis.info, unioncar.cz, christine-gis.com and deskplus.cz.
janousek.name shares at least some mail servers with other domains, for instance jazykovestudio.com.
These mail servers are often used with the mail servers mail.jazykovestudio.com.
Host name mail6.isol.cz resolves to IP 89.187.131.47.