`fe-development.cz`

DNSSEC	🔒 Signed (DS record present)
A	185.66.36.45^{🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805}
		PTR	`wh46.farma.gigaserver.cz`
NS	`1.ns.gigaserver.cz` ⭐
		A	2a03:1e20:0:5::92^{🇨🇿 GIGASERVER2a03:1e20::/32 CZ-SEONET-20140804}
			PTR	`1.ns.gigaserver.cz`
		A	185.66.36.92^{🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805}
			PTR	`1.ns.gigaserver.cz`
NS	`2.ns.gigaserver.cz`
		A	2a03:1e20:0:5::93^{🇨🇿 GIGASERVER2a03:1e20::/32 CZ-SEONET-20140804}
			PTR	`2.ns.gigaserver.cz`
		A	185.66.36.93^{🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805}
			PTR	`2.ns.gigaserver.cz`
NS	`3.ns.gigaserver.cz`
		A	2a03:1e20:0:5::250^{🇨🇿 GIGASERVER2a03:1e20::/32 CZ-SEONET-20140804}
			PTR	`3.ns.gigaserver.cz`
		A	185.66.36.250^{🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805}
			PTR	`3.ns.gigaserver.cz`
NS	`4.ns.gigaserver.cz`
		A	40.67.208.152^{🇳🇱 Microsoft40.67.0.0/16}
MX	`mail.gigaserver.cz` ⭐
		A	185.66.36.222^{🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805}
			PTR	`mail.gigaserver.cz`
TXT	`v=spf1 mx a include:smtp-gw.gigaserver.cz ~all`
SOA	`1.ns.gigaserver.cz`dns@gigaserver.cz serial=1545516471

`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.cz`hostmaster@nic.cz serial=1776253632

Same first word

fe-development.cz

DNS History

8 records (6 active, 2 former)

●NS1.ns.gigaserver.cz2015-07-25 → 2026-04-15 · 2 obs

● 2015-07-25 01:13:14
● 2026-04-15 12:19:16

●NS2.ns.gigaserver.cz2015-07-25 → 2026-04-15 · 2 obs

● 2015-07-25 01:13:14
● 2026-04-15 12:19:16

●NS3.ns.gigaserver.cz2015-07-25 → 2026-04-15 · 2 obs

● 2015-07-25 01:13:14
● 2026-04-15 12:19:16

●NS4.ns.gigaserver.cz2015-07-25 → 2026-04-15 · 2 obs

● 2015-07-25 01:13:14
● 2026-04-15 12:19:16

○MXmail.fe-development.cz2015-07-25 → 2020-03-26 · 4 obs

● 2015-07-25 01:13:14
● 2020-03-26 22:02:42
○ 2026-03-29 17:05:08
○ 2026-04-15 12:19:16

●MXmail.gigaserver.cz2026-03-29 → 2026-04-15 · 3 obs

○ 2020-03-26 22:02:42
● 2026-03-29 17:05:08
● 2026-04-15 12:19:16

●A185.66.36.452026-03-29 → 2026-04-15 · 3 obs

○ 2020-03-26 22:02:42
● 2026-03-29 17:05:08
● 2026-04-15 12:19:16

○A85.118.128.102015-07-25 → 2020-03-26 · 4 obs

● 2015-07-25 01:13:14
● 2020-03-26 22:02:42
○ 2026-03-29 17:05:08
○ 2026-04-15 12:19:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz	-
fe-development.cz	1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz	4 records

✅ Authoritative Response

Server:185.66.36.250

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: 922ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.66.36.45`
NS	4	`1.ns.gigaserver.cz, 2.ns.gigaserver.cz...`
MX	1	`mail.gigaserver.cz (pri: 10)`
TXT	1	`v=spf1 mx a include:smtp-gw.gigaserver.c`
SOA	1	`1.ns.gigaserver.cz dns.gigaserver.cz`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

fe-development.cz points to a single IP: 185.66.36.45.

Other host names, for instance brevis.cz, sqs-fiber.com, najdibyt.cz, inzert.net and nahrada-skody.eu share IP numbers with fe-development.cz.

Name Servers

fe-development.cz's delegation is handled by four name servers: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz.

fe-development.cz partially shares name servers with other domains; examples include benone.cz, europressphoto.com, brano.info, ordinace.com and ebirthday.co.uk.

Host names with two IP numbers: 1.ns.gigaserver.cz points to 2a03:1e20:0:5::92 and 185.66.36.92; 2.ns.gigaserver.cz points to 2a03:1e20:0:5::93 and 185.66.36.93; 3.ns.gigaserver.cz points to 2a03:1e20:0:5::250 and 185.66.36.250. Host names with one IP number: 4.ns.gigaserver.cz points to 40.67.208.152.

Mail Servers

fe-development.cz is handled by a single mail server, mail.gigaserver.cz.

fe-development.cz has the same mail server setup as other domains, including meditea.cz, leaderoffice.cz, mmcars.cz, ict4.cz and wowdesign.cz.

Some mail servers are shared between fe-development.cz and other domains, for example cool-ceny.pl.

mail.gigaserver.cz points to a single IP: 185.66.36.222.

fe-development.cz - robtex.com