seraf.cz - robtex.com
seraf.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.50.2.71🇳🇱 Microsoft20.48.0.0/12 | ||||||
| NS | ns1.hostit.cz ⭐ | ||||||
| A | 194.182.77.191🇨🇿 INTERNET-CZ194.182.64.0/19 | ||||||
| PTR | mail.hostit.cz | ||||||
| PTR | v1.hostit.cz | ||||||
| NS | ns2.hostit.cz | ||||||
| A | 80.211.203.187🇨🇿 INTERNET-CZ80.211.192.0/19 INTERNET CZ,a.s. | ||||||
| PTR | v3.hostit.cz | ||||||
| MX | mail.seraf.cz ⭐ | ||||||
| A | 194.182.77.191🇨🇿 INTERNET-CZ194.182.64.0/19 | ||||||
| PTR | mail.hostit.cz | ||||||
| PTR | v1.hostit.cz | ||||||
| SOA | ns1.hostit.czhostit@hostit.cz 2024-08-12 #6 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1774650101 | ||||||
Subdomains
mail.seraf.cz |
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○NSns1.bxclub.cz2015-07-20 → 2015-07-20 · 3 obs
○ 2015-11-19 23:35:06
○ 2026-03-27 23:05:12
●NSns2.hostit.cz2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 10:48:56
● 2026-03-27 23:05:12
●MXmail.seraf.cz2015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 23:05:12
●A20.50.2.712026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 10:48:56
● 2026-03-27 23:05:12
○A81.2.252.2142017-04-01 → 2017-04-01 · 4 obs
● 2017-04-01 11:27:50
○ 2026-03-26 10:48:56
○ 2026-03-27 23:05:12
○A82.142.91.102015-07-20 → 2016-03-31 · 4 obs
● 2016-03-31 21:50:44
○ 2017-04-01 11:27:50
○ 2026-03-27 23:05:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| seraf.cz | ns1.hostit.cz, ns2.hostit.cz | 2 records |
✅ Authoritative Response
Server:80.211.203.187
NS records: ns1.hostit.cz, ns2.hostit.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for seraf.cz (unsigned zone)
⏱️ Timing
Total: 552ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.50.2.71 |
| NS | 2 | ns1.hostit.cz, ns2.hostit.cz |
| MX | 1 | mail.seraf.cz (pri: 10) |
| SOA | 1 | ns1.hostit.cz hostit.hostit.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.hostit.cz, ns2.hostit.cz)
Analysis
Hierarchy
The parent of mail.seraf.cz is seraf.cz.
IP Addresses
seraf.cz points to IP number: 20.50.2.71.
Other host names such as spv.cz, techguys.ch, ulamo.nl, 12dooh.com and yosh.is share IPs with seraf.cz.
Name Servers
seraf.cz is delegated to two name servers: ns1.hostit.cz and ns2.hostit.cz.
seraf.cz shares the same name server setup as ok1vei.com, massagepoint.cz, lhotak-ns.cz, drivetech.cz and 3duz.cz.
seraf.cz shares some name servers with other domains, for instance snezka.net.
Host names with a single IP:
ns1.hostit.cz points to 194.182.77.191.
ns2.hostit.cz points to 80.211.203.187.
Mail Servers
seraf.cz is handled by a single mail server, mail.seraf.cz.
mail.seraf.cz points to a single IP: 194.182.77.191.