alcoma.cz - robtex.com
alcoma.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=1771291036 | ||||||
Subdomains
Same first word
alcoma.de |
alcoma.com |
alcoma.eu |
alcoma.ro |
alcoma.com.ua |
alcoma.gr |
alcoma.net |
alcoma.cn |
alcoma.ru |
alcoma.it |
alcoma.bg |
alcoma.cz |
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1.casablanca.cz2009-01-14 → 2026-03-20 · 2 obs
● 2026-03-20 11:54:22
●NSns2.casablanca.cz2009-01-14 → 2026-03-20 · 2 obs
● 2026-03-20 11:54:22
●MXalcoma-cz.mail.protection.outlook.com2026-02-15 → 2026-03-20 · 3 obs
● 2026-02-15 06:23:54
● 2026-03-20 11:54:22
○MXalcomx76.alcoma.cz2009-01-14 → 2009-01-14 · 3 obs
○ 2015-08-21 02:46:22
○ 2026-03-20 11:54:22
○MXmail.alcoma.cz2015-08-21 → 2017-09-30 · 5 obs
● 2015-08-21 02:46:22
● 2017-09-30 19:24:44
○ 2026-02-15 06:23:54
○ 2026-03-20 11:54:22
○MXmxserv.alcoma.cz2009-01-14 → 2009-01-14 · 3 obs
○ 2015-08-21 02:46:22
○ 2026-03-20 11:54:22
○MXsms.uvt.cz2015-08-21 → 2017-09-30 · 5 obs
● 2015-08-21 02:46:22
● 2017-09-30 19:24:44
○ 2026-02-15 06:23:54
○ 2026-03-20 11:54:22
○A109.205.76.362016-07-04 → 2017-09-30 · 5 obs
● 2016-07-04 20:01:54
● 2017-09-30 19:24:44
○ 2026-02-15 06:23:54
○ 2026-03-20 11:54:22
●A45.91.28.312026-02-15 → 2026-03-20 · 3 obs
● 2026-02-15 06:23:54
● 2026-03-20 11:54:22
○A89.185.254.482015-08-21 → 2016-06-14 · 5 obs
● 2015-08-21 02:46:22
● 2016-06-14 14:19:12
○ 2016-07-04 20:01:54
○ 2026-03-20 11:54:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| alcoma.cz | ns1.casablanca.cz, ns2.casablanca.cz | 2 records |
✅ Authoritative Response
Server: 217.11.224.3
NS records: ns1.casablanca.cz, ns2.casablanca.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alcoma.cz (unsigned zone)
⏱️ Timing
Total: 1724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.91.28.31 |
| NS | 2 | ns1.casablanca.cz, ns2.casablanca.cz |
| MX | 1 | alcoma-cz.mail.protection.outlook.com (p |
| TXT | 3 | v=spf1 include:spf.protection.outlook.co, MS=ms81128873... |
| SOA | 1 | ns1.casablanca.cz servis.casablanca.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.casablanca.cz, ns2.casablanca.cz)
Analysis
Hierarchy
alcoma.cz is the parent of alcomx76.alcoma.cz, mail.alcoma.cz, mxserv.alcoma.cz, alcomx79.alcoma.cz, www.alcoma.cz and a few other host names.
IP Addresses
alcoma.cz resolves to one IP number: 45.91.28.31.
Other host names, for instance alcoma.com, share IP numbers with alcoma.cz.
Name Servers
alcoma.cz is delegated to two name servers ns1.casablanca.cz and ns2.casablanca.cz.
alcoma.cz shares the same name server setup as other domains, for instance 1.0.0.0.0.1.0.1.8.3.c.0.2.0.a.2.ip6.arpa, 236.0.81.in-addr.arpa, 225.11.217.in-addr.arpa, 233.0.81.in-addr.arpa and 239.0.81.in-addr.arpa.
alcoma.cz at least partially shares name servers with other domains, for instance lta.cz, 27.208.82.in-addr.arpa, vostrak.com, unassigned-81-0-239-168.casablanca.cz and zsluziny.cz.
these name servers are commonly used alongside slave.casablanca.cz.
Host names with two IP numbers:
The host name ns1.casablanca.cz points to 2001:1528:1::11 and 217.11.224.3; the host name ns2.casablanca.cz points to 2001:1528:1::12 and 217.11.224.4.
Mail Servers
alcoma.cz is handled by a single mail server, alcoma-cz.mail.protection.outlook.com.
Host alcoma-cz.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::a, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::, 52.101.68.27, 52.101.68.36, 52.101.73.26 and 52.101.73.153.