is4tech.cz - robtex.com
is4tech.cz
| DNSSEC | ⚠️ Not signed | ||||||
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=1774815438 | ||||||
Same first word
Similar names
DNS History
7 records (0 active, 7 former)
○NSns.forpsi.cz2015-08-05 → 2019-03-20 · 3 obs
● 2015-08-05 18:29:14
● 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
● 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
○NSns.forpsi.it2015-08-05 → 2019-03-20 · 3 obs
● 2015-08-05 18:29:14
● 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
● 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
○NSns.forpsi.net2015-08-05 → 2019-03-20 · 3 obs
● 2015-08-05 18:29:14
● 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
● 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
○MXmail.is4tech.cz2015-08-05 → 2019-03-20 · 3 obs
● 2015-08-05 18:29:14
● 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
● 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
○MXmail2.is4tech.cz2015-08-05 → 2016-04-21 · 4 obs
● 2015-08-05 18:29:14
● 2016-04-21 09:35:08
○ 2017-02-15 07:40:48
○ 2026-03-29 20:55:58
● 2016-04-21 09:35:08
○ 2017-02-15 07:40:48
○ 2026-03-29 20:55:58
○MXmail3.is4tech.cz2017-02-15 → 2017-02-15 · 4 obs
○ 2016-04-21 09:35:08
● 2017-02-15 07:40:48
○ 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
● 2017-02-15 07:40:48
○ 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
○A85.214.199.1542015-08-05 → 2019-03-20 · 3 obs
● 2015-08-05 18:29:14
● 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
● 2019-03-20 21:38:36
○ 2026-03-29 20:55:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz | - |
✅ Authoritative Response
Server:194.0.14.1
NS records: b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 445ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|