umacka.cz - robtex.com
umacka.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=1774635437 | ||||||
Same first word
Similar names
DNS History
18 records (12 active, 6 former)
●NSns1.regzone.cz2015-08-15 → 2026-03-27 · 2 obs
● 2026-03-27 19:10:22
●NSns1.regzone.de2015-08-15 → 2026-03-27 · 2 obs
● 2026-03-27 19:10:22
●NSns1.regzone.info2015-08-15 → 2026-03-27 · 2 obs
● 2026-03-27 19:10:22
○MXalt1.aspmx.l.google.com2015-08-15 → 2020-03-08 · 4 obs
● 2020-03-08 11:02:46
○ 2026-03-27 08:50:52
○ 2026-03-27 19:10:22
○MXaspmx.l.google.com2015-08-15 → 2020-03-08 · 4 obs
● 2020-03-08 11:02:46
○ 2026-03-27 08:50:52
○ 2026-03-27 19:10:22
○MXaspmx2.googlemail.com2015-08-15 → 2020-03-08 · 4 obs
● 2020-03-08 11:02:46
○ 2026-03-27 08:50:52
○ 2026-03-27 19:10:22
●MXsmtp.google.com2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:50:52
● 2026-03-27 19:10:22
●A2001:4860:4802:32::152026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:50:52
● 2026-03-27 19:10:22
●A2001:4860:4802:34::152026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:50:52
● 2026-03-27 19:10:22
●A2001:4860:4802:36::152026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:50:52
● 2026-03-27 19:10:22
●A2001:4860:4802:38::152026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:50:52
● 2026-03-27 19:10:22
●A216.239.32.212026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:50:52
● 2026-03-27 19:10:22
●A216.239.34.212026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:50:52
● 2026-03-27 19:10:22
●A216.239.36.212026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:50:52
● 2026-03-27 19:10:22
●A216.239.38.212026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:50:52
● 2026-03-27 19:10:22
○A217.16.187.332016-06-30 → 2020-03-08 · 5 obs
● 2016-06-30 16:59:08
● 2020-03-08 11:02:46
○ 2026-03-27 08:50:52
○ 2026-03-27 19:10:22
○A2a00:1ed0:1:1800:7:4e:ef00:12016-06-30 → 2020-03-08 · 5 obs
● 2016-06-30 16:59:08
● 2020-03-08 11:02:46
○ 2026-03-27 08:50:52
○ 2026-03-27 19:10:22
○A94.23.175.162015-08-15 → 2016-02-26 · 4 obs
● 2016-02-26 04:17:38
○ 2016-06-30 16:59:08
○ 2026-03-27 19:10:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | 8 records |
| umacka.cz | ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info | 2 records |
✅ Authoritative Response
Server:81.0.233.10
NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1480ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 216.239.32.21, 216.239.34.21... |
| AAAA | 4 | 2001:4860:4802:32::15, 2001:4860:4802:34::15... |
| NS | 3 | ns1.regzone.cz, ns1.regzone.de... |
| MX | 1 | smtp.google.com (pri: 1) |
| SOA | 1 | ns1.regzone.cz administrator.czechia.cz |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz...)
Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)
Analysis
IP Addresses
umacka.cz maps to eight IPs: 2001:4860:4802:32::15, 2001:4860:4802:34::15, 2001:4860:4802:36::15, 2001:4860:4802:38::15, 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.
Other host names, for instance oratoriosanpaolo.com, toukai-a.com, kidsneuro.net, mapetek.com and unabrevehistoria.com share IP numbers with umacka.cz.
Name Servers
The domain umacka.cz is delegated to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.
umacka.cz shares name servers with other domains at least partially, for instance h-geo.cz, zarro.cz, atypo.eu, cazer.cz and oqs.cz.
Host names with two IP numbers:
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
Mail Servers
The mail server for umacka.cz is smtp.google.com.
umacka.cz shares the same mail server setup as other domains, including sbtconsultant.com, davidthompson.work, ccg-partners.com, be-secure.ca and rejuvenationspt.com.
umacka.cz shares some mail servers with other domains, including diamond-congress.hu, codeandpeddle.com, speakupcentre.com, syswiki.com and ibeamed.com.
these mail servers are commonly used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Hostname smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c03::1a, 2607:f8b0:4023:c03::1b, 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 74.125.137.26, 74.125.137.27, 142.250.101.26, 142.250.101.27 and 142.250.141.26.