sofia.cz - dns.ninja
sofia.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.160.65.233🇸🇰 SANET194.160.0.0/17 -AS2607-BLOCK | ||||||
| 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 | ||||||
| MX | post.forma.sk ⭐ | ||||||
| A | 194.160.65.8🇸🇰 SANET194.160.0.0/17 -AS2607-BLOCK | ||||||
| PTR | post.forma.sk | ||||||
| MX | mail.forma.sk(200) | ||||||
| TXT | v=spf1 mx a ip4:194.160.65.8 a:web.sofia.sk include:sparkpostmail.com ~all | ||||||
| SOA | ns1.regzone.czadministrator@czechia.cz 2026-06-15 #6 | ||||||
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=1784513841 | ||||||
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
○NSns.cstechnologies.cz2015-06-13 → 2017-05-01 · 4 obs
● 2017-05-01 03:44:12
○ 2026-03-23 14:40:26
○ 2026-07-20 03:18:16
○NSns.cstechnologies.eu2015-06-13 → 2017-05-01 · 4 obs
● 2017-05-01 03:44:12
○ 2026-03-23 14:40:26
○ 2026-07-20 03:18:16
○NSns.forma.sk2026-03-23 → 2026-06-13 · 5 obs
● 2026-03-23 14:40:26
● 2026-06-13 02:00:42
○ 2026-07-09 20:28:26
○ 2026-07-20 03:18:16
○NSns1.forma.sk2026-03-23 → 2026-06-13 · 5 obs
● 2026-03-23 14:40:26
● 2026-06-13 02:00:42
○ 2026-07-09 20:28:26
○ 2026-07-20 03:18:16
●NSns1.regzone.cz2026-07-09 → 2026-07-20 · 3 obs
● 2026-07-09 20:28:26
● 2026-07-20 03:18:16
●NSns1.regzone.de2026-07-09 → 2026-07-20 · 3 obs
● 2026-07-09 20:28:26
● 2026-07-20 03:18:16
●NSns1.regzone.info2026-07-09 → 2026-07-20 · 3 obs
● 2026-07-09 20:28:26
● 2026-07-20 03:18:16
○NSns2.forma.sk2026-03-23 → 2026-06-05 · 8 obs
● 2026-03-23 14:40:26
● 2026-03-26 00:51:38
○ 2026-03-26 13:38:28
○ 2026-05-20 02:01:56
● 2026-06-05 14:04:52
○ 2026-06-13 02:00:42
○ 2026-07-20 03:18:16
●MXmail.forma.sk2026-03-26 → 2026-07-20 · 8 obs
● 2026-03-26 00:51:38
○ 2026-03-26 13:38:28
● 2026-04-07 15:05:54
● 2026-05-20 02:01:56
○ 2026-06-05 14:04:52
● 2026-06-13 02:00:42
● 2026-07-20 03:18:16
○MXmail2.wic-net.cz2015-06-13 → 2017-05-01 · 4 obs
● 2017-05-01 03:44:12
○ 2026-03-23 14:40:26
○ 2026-07-20 03:18:16
●MXpost.forma.sk2026-03-26 → 2026-07-20 · 8 obs
● 2026-03-26 00:51:38
○ 2026-03-26 13:38:28
● 2026-04-07 15:05:54
● 2026-05-20 02:01:56
○ 2026-06-05 14:04:52
● 2026-06-13 02:00:42
● 2026-07-20 03:18:16
●A194.160.65.2332026-03-23 → 2026-07-20 · 7 obs
● 2026-03-23 14:40:26
● 2026-03-26 13:38:28
○ 2026-04-07 15:05:54
○ 2026-06-05 14:04:52
● 2026-06-13 02:00:42
● 2026-07-20 03:18:16
○A82.208.14.532015-06-13 → 2017-05-01 · 4 obs
● 2017-05-01 03:44:12
○ 2026-03-23 14:40:26
○ 2026-07-20 03:18:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| sofia.cz | ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info | 2 records |
✅ Authoritative Response
Server:23.92.29.43
NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sofia.cz (unsigned zone)
⏱️ Timing
Total: 3979ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.160.65.233 |
| NS | 3 | ns1.regzone.cz, ns1.regzone.de... |
| MX | 2 | post.forma.sk (pri: 100), mail.forma.sk (pri: 200) |
| TXT | 1 | v=spf1 mx a ip4:194.160.65.8 a:web.sofia |
| SOA | 1 | ns1.regzone.cz administrator.czechia.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)
Analysis
IP Addresses
sofia.cz has exactly one IP address — 194.160.65.233.
sofia.net, www.sofia.sk, www.szofia.hu plus two other host names have IP numbers in common with sofia.cz.
Name Servers
The authoritative name servers for sofia.cz are ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info — three in total.
sofia.cz shares at least some of its name servers with other domains, including autodily.online, webia.cz, tinkle.cz and two others.
ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info all resolve to exactly two IP numbers apiece: ns1.regzone.cz → 217.198.113.10 and 2a00:19a0:3:71:0:d9c6:710a:1; ns1.regzone.de → 23.92.29.43 and 2600:3c02::f03c:91ff:fedb:a6e7; ns1.regzone.info → 81.0.233.10 and 2001:1528:147::10.
Mail Servers
sofia.cz uses two mail servers, mail.forma.sk and post.forma.sk.
The mail server setup of sofia.cz matches that of other domains such as zdruzeniemhd.sk, zbierka.sk, mikimodelle.sk and two others.
At least some of the mail servers used by sofia.cz are shared with other domains: alisk.sk, sofia.net, kocis.sk and two others among them.
Host names resolving to a single IP address:
post.forma.sk has the IP address 194.160.65.8.