studuj.info - robtex.com
studuj.info
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.regzone.cz ⭐ | ||||||
| A | 2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| A | 217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| NS | ns1.regzone.de | ||||||
| A | 2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| A | 23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| NS | ns1.regzone.info | ||||||
| A | 2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | ns1.regzone.info | ||||||
| A | 81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT | ||||||
| PTR | ns1.regzone.info | ||||||
| SOA | ns1.regzone.czadministrator@czechia.cz 2022-06-21 #1 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1771291020 | ||||||
Same first word
DNS History
6 records (3 active, 3 former)
●NSns1.regzone.cz2026-02-25 → 2026-02-28 · 3 obs
○ 2017-03-17 03:15:58
● 2026-02-25 11:23:10
● 2026-02-28 07:18:46
● 2026-02-25 11:23:10
● 2026-02-28 07:18:46
●NSns1.regzone.de2026-02-25 → 2026-02-28 · 3 obs
○ 2017-03-17 03:15:58
● 2026-02-25 11:23:10
● 2026-02-28 07:18:46
● 2026-02-25 11:23:10
● 2026-02-28 07:18:46
●NSns1.regzone.info2026-02-25 → 2026-02-28 · 3 obs
○ 2017-03-17 03:15:58
● 2026-02-25 11:23:10
● 2026-02-28 07:18:46
● 2026-02-25 11:23:10
● 2026-02-28 07:18:46
○NSns1.systemit.cz2015-05-21 → 2017-03-17 · 4 obs
● 2015-05-21 22:47:28
● 2017-03-17 03:15:58
○ 2026-02-25 11:23:10
○ 2026-02-28 07:18:46
● 2017-03-17 03:15:58
○ 2026-02-25 11:23:10
○ 2026-02-28 07:18:46
○NSns2.systemit.cz2015-05-21 → 2017-03-17 · 4 obs
● 2015-05-21 22:47:28
● 2017-03-17 03:15:58
○ 2026-02-25 11:23:10
○ 2026-02-28 07:18:46
● 2017-03-17 03:15:58
○ 2026-02-25 11:23:10
○ 2026-02-28 07:18:46
○A81.31.34.392015-05-21 → 2017-03-17 · 4 obs
● 2015-05-21 22:47:28
● 2017-03-17 03:15:58
○ 2026-02-25 11:23:10
○ 2026-02-28 07:18:46
● 2017-03-17 03:15:58
○ 2026-02-25 11:23:10
○ 2026-02-28 07:18:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| studuj.info | ns1.regzone.info, ns1.regzone.de, ns1.regzone.cz | 2 records |
✅ Authoritative Response
Server: 23.92.29.43
NS records: ns1.regzone.info, ns1.regzone.de, ns1.regzone.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studuj.info (unsigned zone)
⏱️ Timing
Total: 976ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.regzone.cz, ns1.regzone.de... |
| SOA | 1 | ns1.regzone.cz administrator.czechia.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.regzone.info, ns1.regzone.info)
AI analysis
studuj.info delegates to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.
studuj.info shares some name servers with other domains, for example nubes.cz, martinik.cz, prani.info, elzaco.eu and menorquina.cz.
Host names with two IP numbers:
ns1.regzone.cz: 2a00:19a0:3:71:0:d9c6:710a:1 and 217.198.113.10
ns1.regzone.de: 2600:3c02::f03c:91ff:fedb:a6e7 and 23.92.29.43