sofia.cz - dns.ninja

sofia.cz

DNSSEC⚠️ Not signed
A194.160.65.233🇸🇰 SANET194.160.0.0/17 -AS2607-BLOCK
NSns1.regzone.cz
A2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET
PTRns1.regzone.cz
A217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET
PTRns1.regzone.cz
NSns1.regzone.de
A2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies
PTRns1.regzone.de
A23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies
PTRns1.regzone.de
NSns1.regzone.info
A2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRns1.regzone.info
A81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT
PTRns1.regzone.info
MXpost.forma.sk
A194.160.65.8🇸🇰 SANET194.160.0.0/17 -AS2607-BLOCK
PTRpost.forma.sk
MXmail.forma.sk(200)
TXTv=spf1 mx a ip4:194.160.65.8 a:web.sofia.sk include:sparkpostmail.com ~all
SOAns1.regzone.czadministrator@czechia.cz 2026-06-15 #6

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1784513841

Same first word

Similar names

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSns1.regzone.czns1.regzone.dens1.regzone.infons.cstechnologies.czns.cstechnologies.euns.forma.skns1.forma.skns2.forma.skMXmail.forma.skpost.forma.skmail2.wic-net.czA194.160.65.23382.208.14.53
NSns.cstechnologies.cz2015-06-13 → 2017-05-01 · 4 obs
● 2015-06-13 18:12:30
● 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
● 2015-06-13 18:12:30
● 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
○ 2017-05-01 03:44:12
● 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
○ 2017-05-01 03:44:12
● 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
○ 2026-06-13 02:00:42
● 2026-07-09 20:28:26
● 2026-07-20 03:18:16
NSns1.regzone.de2026-07-09 → 2026-07-20 · 3 obs
○ 2026-06-13 02:00:42
● 2026-07-09 20:28:26
● 2026-07-20 03:18:16
NSns1.regzone.info2026-07-09 → 2026-07-20 · 3 obs
○ 2026-06-13 02:00:42
● 2026-07-09 20:28:26
● 2026-07-20 03:18:16
NSns2.forma.sk2026-03-23 → 2026-06-05 · 8 obs
○ 2017-05-01 03:44:12
● 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
○ 2026-03-23 14:40:26
● 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
● 2015-06-13 18:12:30
● 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
○ 2026-03-23 14:40:26
● 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
○ 2017-05-01 03:44:12
● 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
● 2015-06-13 18:12:30
● 2017-05-01 03:44:12
○ 2026-03-23 14:40:26
○ 2026-07-20 03:18:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
sofia.czns1.regzone.cz, ns1.regzone.de, ns1.regzone.info2 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

TypeCountSample Data
A1194.160.65.233
NS3ns1.regzone.cz, ns1.regzone.de...
MX2post.forma.sk (pri: 100), mail.forma.sk (pri: 200)
TXT1v=spf1 mx a ip4:194.160.65.8 a:web.sofia
SOA1ns1.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.cz217.198.113.10 and 2a00:19a0:3:71:0:d9c6:710a:1; ns1.regzone.de23.92.29.43 and 2600:3c02::f03c:91ff:fedb:a6e7; ns1.regzone.info81.0.233.10 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.