itczlin.org - robtex.com
itczlin.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a00:e580:8::42🇨🇿 INEXT-CZ2a00:e580::/29 INTERNEXT 2000 | ||||||
| A | 212.111.1.42🇨🇿 INEXT-CZ212.111.0.0/19 INTERNEXT 2000 | ||||||
| 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 2022-04-29 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1775410252 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.regzone.cz2015-08-01 → 2026-04-05 · 2 obs
● 2026-04-05 17:54:00
●NSns1.regzone.de2015-08-01 → 2026-04-05 · 2 obs
● 2026-04-05 17:54:00
●NSns1.regzone.info2015-08-01 → 2026-04-05 · 2 obs
● 2026-04-05 17:54:00
○A212.111.0.322015-08-01 → 2017-02-04 · 4 obs
● 2017-02-04 22:20:12
○ 2026-02-16 09:51:18
○ 2026-04-05 17:54:00
●A212.111.1.422026-02-16 → 2026-04-05 · 3 obs
● 2026-02-16 09:51:18
● 2026-04-05 17:54:00
●A2a00:e580:8::422026-02-16 → 2026-04-05 · 3 obs
● 2026-02-16 09:51:18
● 2026-04-05 17:54:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| itczlin.org | ns1.regzone.info, ns1.regzone.cz, ns1.regzone.de | - |
✅ Authoritative Response
Server:81.0.233.10
NS records: ns1.regzone.info, ns1.regzone.cz, ns1.regzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itczlin.org (unsigned zone)
⏱️ Timing
Total: 740ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.111.1.42 |
| AAAA | 1 | 2a00:e580:8::42 |
| NS | 3 | ns1.regzone.cz, ns1.regzone.de... |
| SOA | 1 | ns1.regzone.cz administrator.czechia.cz |
Analysis
IP Addresses
itczlin.org points to two IP numbers: 2a00:e580:8::42 and 212.111.1.42.
Other host names, for instance itczlin.cz, novyhrozenkov.cz, itczlin.us, manag.cz and raska.cz share IP numbers with itczlin.org.
Name Servers
The delegation for itczlin.org is handled by three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.
itczlin.org at least partially shares name servers with other domains, for instance galen-kompas.cz, vysivkyklatovy.cz, nejlet.cz, et-promo.cz and aniont.com.
Two IP numbers per host:
ns1.regzone.cz points to 2a00:19a0:3:71:0:d9c6:710a:1 and 217.198.113.10.
ns1.regzone.de points to 2600:3c02::f03c:91ff:fedb:a6e7 and 23.92.29.43.
ns1.regzone.info points to 2001:1528:147::10 and 81.0.233.10.