ssob.cz - robtex.com
ssob.cz
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=1778649433 | ||||||
Subdomains
webmail.ssob.cz |
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○MXmail.ssob.cz2015-07-20 → 2017-03-24 · 4 obs
● 2017-03-24 09:12:52
○ 2020-04-08 05:01:38
○ 2026-05-13 05:54:34
○MXmx.web4u.cz2020-04-08 → 2020-04-08 · 4 obs
● 2020-04-08 05:01:38
○ 2026-05-07 23:18:14
○ 2026-05-13 05:54:34
●MXssob-cz.mail.protection.outlook.com2026-05-07 → 2026-05-13 · 3 obs
● 2026-05-07 23:18:14
● 2026-05-13 05:54:34
○A81.91.86.122015-07-20 → 2015-11-23 · 4 obs
● 2015-11-23 03:15:14
○ 2015-12-18 17:27:48
○ 2026-05-13 05:54:34
●A81.91.86.132015-12-18 → 2026-05-13 · 3 obs
● 2015-12-18 17:27:48
● 2026-05-13 05:54:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| ssob.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 678ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.13 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | ssob-cz.mail.protection.outlook.com (pri |
| TXT | 3 | MS=ms95687796, v=spf1 include:spf.protection.outlook.co... |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
Hierarchy
The parent of webmail.ssob.cz is ssob.cz.
IP Addresses
ssob.cz points to an IP address: 81.91.86.13.
other host names include elegrin.cz, sql2.restio.cz, exinen.com, petrkaspar.com and bmwadventure.cz; they share IP numbers with ssob.cz.
Name Servers
Two name servers ns2.web4u.cz and ns.web4u.cz handle the delegation for ssob.cz.
ssob.cz shares the same name server setup as other domains, for instance ponzer.cz, supergirls.cz, autogram.cz, neatresults.com and 224.14.185.in-addr.arpa.
Host names with two IP numbers:
ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12.
ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.
Mail Servers
ssob.cz is handled by a single mail server, ssob-cz.mail.protection.outlook.com.
Hostname ssob-cz.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::8, 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::8, 52.101.68.8, 52.101.73.1, 52.101.73.2 and 52.101.73.24.