optimail.cz - robtex.com
optimail.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=1776008836 | ||||||
Subdomains
www.optimail.cz |
Same first word
optimail.cz |
optimail.net |
optimail.org |
optimail.io |
optimail.com.au |
optimail.co.th |
optimail.com |
optimail.net.au |
Similar names
polimati.com |
iampilot.com |
ioptimal.co.uk |
optimali.com |
topimail.com |
optimial.fr |
imapilot.com |
politmia.net |
ioptimal.com |
optimali.net |
miapilot.com |
aimpilot.com |
limtopia.com |
DNS History
15 records (7 active, 8 former)
●NSalfa.ns.active24.cz2026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 18:16:44
● 2026-04-12 16:20:50
●NSbeta.ns.active24.cz2026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 18:16:44
● 2026-04-12 16:20:50
●NSgama.ns.active24.sk2026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 18:16:44
● 2026-04-12 16:20:50
○NSns.gransy.com2015-06-15 → 2016-06-22 · 4 obs
● 2016-06-22 09:29:10
○ 2017-02-16 08:30:22
○ 2026-04-12 16:20:50
○NSns2.gransy.com2015-06-15 → 2016-06-22 · 4 obs
● 2016-06-22 09:29:10
○ 2017-02-16 08:30:22
○ 2026-04-12 16:20:50
○NSns3.gransy.com2015-06-15 → 2016-06-22 · 4 obs
● 2016-06-22 09:29:10
○ 2017-02-16 08:30:22
○ 2026-04-12 16:20:50
○NSns4.gransy.com2015-06-15 → 2016-06-22 · 4 obs
● 2016-06-22 09:29:10
○ 2017-02-16 08:30:22
○ 2026-04-12 16:20:50
○NSns5.gransy.com2015-06-15 → 2016-06-22 · 4 obs
● 2016-06-22 09:29:10
○ 2017-02-16 08:30:22
○ 2026-04-12 16:20:50
○MXmail.optimail.cz2015-06-15 → 2016-06-22 · 4 obs
● 2016-06-22 09:29:10
○ 2017-02-16 08:30:22
○ 2026-04-12 16:20:50
●MXmx1.active24.com2026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 18:16:44
● 2026-04-12 16:20:50
●MXmx2.active24.com2026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 18:16:44
● 2026-04-12 16:20:50
●A2a02:4a8:ac24:111::110:82026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 18:16:44
● 2026-04-12 16:20:50
○A46.36.37.2472015-11-12 → 2016-06-22 · 5 obs
● 2015-11-12 14:28:24
● 2016-06-22 09:29:10
○ 2017-02-16 08:30:22
○ 2026-04-12 16:20:50
○A77.78.104.32015-06-15 → 2015-06-15 · 3 obs
○ 2015-11-12 14:28:24
○ 2026-04-12 16:20:50
●A81.95.110.82026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 18:16:44
● 2026-04-12 16:20:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | 8 records |
| optimail.cz | alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk | 4 records |
✅ Authoritative Response
Server:81.95.96.2
NS records: alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1032ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.95.110.8 |
| AAAA | 1 | 2a02:4a8:ac24:111::110:8 |
| NS | 3 | alfa.ns.active24.cz, beta.ns.active24.cz... |
| MX | 2 | mx1.active24.com (pri: 10), mx2.active24.com (pri: 20) |
| TXT | 1 | v=spf1 a mx ip4:81.95.110.8 ip6:2a02:4a8 |
| SOA | 1 | alfa.ns.active24.cz hostmaster.active24. |
📌 Glue Records Collected
Total: 12
In-bailiwick: 8 (d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 4 (alfa.ns.active24.cz, beta.ns.active24.cz, alfa.ns.active24.cz...)
Analysis
Hierarchy
optimail.cz is the parent of www.optimail.cz.
IP Addresses
optimail.cz points to two IPs: 2a02:4a8:ac24:111::110:8 and 81.95.110.8.
Other host names, such as www.optimail.cz and gds153a.active24.cz, share IP numbers with optimail.cz.
Name Servers
optimail.cz is delegated to three name servers: alfa.ns.active24.cz, beta.ns.active24.cz and gama.ns.active24.sk.
optimail.cz at least partially shares name servers with other domains, including darvit.cz, ochranna-pomucka.cz, tempish.cz, copan.cz and afroditesilver.com.
Host names with two IP numbers:
alfa.ns.active24.cz points to: 2a02:4a8:ac24:100::96:2 and 81.95.96.2
beta.ns.active24.cz points to: 2a00:4b40:1000:590:185:111:90:94 and 185.111.90.94
gama.ns.active24.sk points to: 2a00:1968:0:1002:185:71:158:30 and 185.71.158.30
Mail Servers
optimail.cz is handled by two mail servers: mx1.active24.com and mx2.active24.com.
optimail.cz shares its mail server setup with other domains, including gateplanning.cz, i-vytahy.sk, iekis.cz, skybox-tickets.cz and bionic.cz.
The mail servers for optimail.cz are shared with other domains, for instance jozefhalko.sk, pomik.cz, gym1.fi, mistrice.cz and soutezfenix.cz.
Host names with eight IP numbers:
mx1.active24.com points to 2a02:4a8:ac24:101::97:4, 2a02:4a8:ac24:101::97:102, 2a02:4a8:ac24:101::97:111, 2a02:4a8:ac24:101::97:116, 81.95.97.4, 81.95.97.102, 81.95.97.111 and 81.95.97.116.
Host names with two IP numbers:
mx2.active24.com points to 2a00:4b40:1000:590:185:111:90:93 and 185.111.90.93.