`graylineczechrepublic.com`

DNSSEC	⚠️ Not signed
A	185.66.36.152^{🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805}
		PTR	`vmm23.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=1705912021

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778848746

Subdomains

mail.graylineczechrepublic.com

Same first word

graylineczechrepublic.cz

DNS History

12 records (6 active, 6 former)

●NS1.ns.gigaserver.cz2015-07-13 → 2026-05-15 · 3 obs

○ 2008-03-15 23:52:40
● 2015-07-13 19:34:20
● 2026-05-15 12:49:48

●NS2.ns.gigaserver.cz2015-07-13 → 2026-05-15 · 3 obs

○ 2008-03-15 23:52:40
● 2015-07-13 19:34:20
● 2026-05-15 12:49:48

●NS3.ns.gigaserver.cz2015-07-13 → 2026-05-15 · 3 obs

○ 2008-03-15 23:52:40
● 2015-07-13 19:34:20
● 2026-05-15 12:49:48

●NS4.ns.gigaserver.cz2015-07-13 → 2026-05-15 · 3 obs

○ 2008-03-15 23:52:40
● 2015-07-13 19:34:20
● 2026-05-15 12:49:48

○NSns.forpsi.cz2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 23:52:40
○ 2015-07-13 19:34:20
○ 2026-05-15 12:49:48

○NSns.forpsi.net2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 23:52:40
○ 2015-07-13 19:34:20
○ 2026-05-15 12:49:48

○NSns.forpsi.us2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 23:52:40
○ 2015-07-13 19:34:20
○ 2026-05-15 12:49:48

●MXmail.gigaserver.cz2026-05-15 → 2026-05-15 · 3 obs

○ 2016-07-03 23:08:20
● 2026-05-15 12:49:44
● 2026-05-15 12:49:48

○MXmail.graylineczechrepublic.com2015-07-13 → 2016-07-03 · 5 obs

○ 2008-03-15 23:52:40
● 2015-07-13 19:34:20
● 2016-07-03 23:08:20
○ 2026-05-15 12:49:44
○ 2026-05-15 12:49:48

●A185.66.36.1522026-05-15 → 2026-05-15 · 3 obs

○ 2016-07-03 23:08:20
● 2026-05-15 12:49:44
● 2026-05-15 12:49:48

○A81.2.194.1352008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 23:52:40
○ 2015-07-13 19:34:20
○ 2026-05-15 12:49:48

○A85.118.128.1422015-07-13 → 2016-07-03 · 5 obs

○ 2008-03-15 23:52:40
● 2015-07-13 19:34:20
● 2016-07-03 23:08:20
○ 2026-05-15 12:49:44
○ 2026-05-15 12:49:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
graylineczechrepublic.com	1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz	-

✅ 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

⚠️ Insecure (no DNSSEC)

No DS record for graylineczechrepublic.com (unsigned zone)

⏱️ Timing

Total: 772ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.66.36.152`
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`

Analysis

Hierarchy

graylineczechrepublic.com is the parent of mail.graylineczechrepublic.com.

IP Addresses

graylineczechrepublic.com points to a single IP number: 185.66.36.152.

other host names for instance gahr.cz, suituwebsites.com, avrent.net, ampi.cz and konstrukce.net share IP numbers with graylineczechrepublic.com.

Name Servers

graylineczechrepublic.com is delegated to four name servers: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz.

graylineczechrepublic.com at least partially shares name servers with other domains, for instance frostik.cz, martin-novak.name, clubcaffe.cz, poolshop.cz and picin.cz.

Two IPs for hosts:

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

One IP for a host:

4.ns.gigaserver.cz points to: 40.67.208.152

Mail Servers

graylineczechrepublic.com is handled by a single mail server, mail.gigaserver.cz.

graylineczechrepublic.com shares the same mail server setup as other domains, for instance fnr.cz, tabletka.cz, domicon.cz, kompletucetnictvi.cz and motojelinek.cz.

Host name mail.gigaserver.cz points to IP address 185.66.36.222.

graylineczechrepublic.com - robtex.com