sofra.cz - dns.ninja

sofra.cz

DNSSEC🔒 Signed (DS record present)
A185.66.36.138🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTRwh01.farma.gigaserver.cz
NS1.ns.gigaserver.cz ⭐
A2a03:1e20:0:5::92🇨🇿 GIGASERVER2a03:1e20::/32 CZ-SEONET-20140804
PTR1.ns.gigaserver.cz
A185.66.36.92🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTR1.ns.gigaserver.cz
NS2.ns.gigaserver.cz
A2a03:1e20:0:5::93🇨🇿 GIGASERVER2a03:1e20::/32 CZ-SEONET-20140804
PTR2.ns.gigaserver.cz
A185.66.36.93🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTR2.ns.gigaserver.cz
NS3.ns.gigaserver.cz
A2a03:1e20:0:5::250🇨🇿 GIGASERVER2a03:1e20::/32 CZ-SEONET-20140804
PTR3.ns.gigaserver.cz
A185.66.36.250🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTR3.ns.gigaserver.cz
NS4.ns.gigaserver.cz
A2603:1020:201::36d🇳🇱 Microsoft2603:1000::/25 MICROSOFT
A40.67.208.152🇳🇱 Microsoft40.67.0.0/16
PTR4.ns.gigaserver.cz
MXmail.gigaserver.cz ⭐
A185.66.36.222🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTRmail.gigaserver.cz
TXTv=spf1 mx a include:smtp-gw.gigaserver.cz ~all
SOA1.ns.gigaserver.czdns@gigaserver.cz serial=1545516502

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=1785174438

Subdomains

mail.sofra.cz

Same first word

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sofra.de
sofra.ru
sofra.online
sofra.nl
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sofra.net
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sofra.com.pl
sofra.pl
sofra.it

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rafos.ru
faros.com.br
forsa.it
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roasf.com

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NS1.ns.gigaserver.cz2.ns.gigaserver.cz3.ns.gigaserver.cz4.ns.gigaserver.czMXmail.gigaserver.czmail.sofra.czA185.66.36.13885.118.128.22
●NS1.ns.gigaserver.cz2015-08-15 → 2026-07-27 · 2 obs
● 2015-08-15 10:32:52
● 2026-07-27 17:59:18
●NS2.ns.gigaserver.cz2015-08-15 → 2026-07-27 · 2 obs
● 2015-08-15 10:32:52
● 2026-07-27 17:59:18
●NS3.ns.gigaserver.cz2015-08-15 → 2026-07-27 · 2 obs
● 2015-08-15 10:32:52
● 2026-07-27 17:59:18
●NS4.ns.gigaserver.cz2015-08-15 → 2026-07-27 · 2 obs
● 2015-08-15 10:32:52
● 2026-07-27 17:59:18
●MXmail.gigaserver.cz2026-02-18 → 2026-07-27 · 3 obs
○ 2021-04-08 19:13:00
● 2026-02-18 10:50:00
● 2026-07-27 17:59:18
○MXmail.sofra.cz2015-08-15 → 2021-04-08 · 4 obs
● 2015-08-15 10:32:52
● 2021-04-08 19:13:00
○ 2026-02-18 10:50:00
○ 2026-07-27 17:59:18
●A185.66.36.1382026-02-18 → 2026-07-27 · 3 obs
○ 2021-04-08 19:13:00
● 2026-02-18 10:50:00
● 2026-07-27 17:59:18
○A85.118.128.222015-08-15 → 2021-04-08 · 4 obs
● 2015-08-15 10:32:52
● 2021-04-08 19:13:00
○ 2026-02-18 10:50:00
○ 2026-07-27 17:59:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
sofra.cz1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz4 records

✅ Authoritative Response

Server:185.66.36.93

NS records: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 993ms | Queries: -

📄 Records

TypeCountSample Data
A1185.66.36.138
NS41.ns.gigaserver.cz, 2.ns.gigaserver.cz...
MX1mail.gigaserver.cz (pri: 50)
TXT1v=spf1 mx a include:smtp-gw.gigaserver.c
SOA11.ns.gigaserver.cz dns.gigaserver.cz

📌 Glue Records Collected

Total: 12

In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)

Out-of-bailiwick: 4 (1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz...)

Analysis

Hierarchy

sofra.cz is the parent zone for mail.sofra.cz.

IP Addresses

sofra.cz points to a single IP number: 185.66.36.138.

Additional host names — tomsu.cz, rubic.cz, futral.cz and two others — share IP numbers with sofra.cz.

Name Servers

sofra.cz has four authoritative name servers: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz.

sofra.cz partially shares its NS delegation with several other domains, including vohradnik.cz, apartmanykrumlov.com, felineus.com and two others.

1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz each carry two IP addresses. 1.ns.gigaserver.cz has 185.66.36.92 and 2a03:1e20:0:5::92; 2.ns.gigaserver.cz has 185.66.36.93 and 2a03:1e20:0:5::93; 3.ns.gigaserver.cz has 185.66.36.250 and 2a03:1e20:0:5::250; 4.ns.gigaserver.cz has 40.67.208.152 and 2603:1020:201::36d.

Mail Servers

sofra.cz has one mail server: mail.gigaserver.cz.

sofra.cz shares the same mail server setup as other domains, including ardf.eu, m-tes.cz, bricho.cz and two others.

mail.gigaserver.cz has exactly one IP number: 185.66.36.222.