`brainteaserstudio.com`

DNSSEC	⚠️ Not signed
A	185.14.224.148^{🇨🇿 WEB4U185.14.224.0/23}
		PTR	`d365.server4u.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.vykoupil.eu` ⭐
		A	81.91.92.149^{🇨🇿 WEB4U81.91.88.0/21}
			PTR	`vs1263.server4u.cz`
TXT	`v=spf1 a mx ~all`
SOA	`1.ns.gigaserver.cz`dns@gigaserver.cz serial=1706562481

`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=1771291435

DNS History

6 records (6 active, 0 former)

●NS1.ns.gigaserver.cz2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 15:18:44
● 2026-03-13 15:18:48

●NS2.ns.gigaserver.cz2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 15:18:44
● 2026-03-13 15:18:48

●NS3.ns.gigaserver.cz2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 15:18:44
● 2026-03-13 15:18:48

●NS4.ns.gigaserver.cz2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 15:18:44
● 2026-03-13 15:18:48

●MXmail.vykoupil.eu2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 15:18:44
● 2026-03-13 15:18:48

●A185.14.224.1482026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 15:18:44
● 2026-03-13 15:18:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...	-
brainteaserstudio.com	1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz	-

✅ Authoritative Response

Server: 185.66.36.92

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 brainteaserstudio.com (unsigned zone)

⏱️ Timing

Total: 1247ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.14.224.148`
NS	4	`1.ns.gigaserver.cz, 2.ns.gigaserver.cz...`
MX	1	`mail.vykoupil.eu (pri: 50)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`1.ns.gigaserver.cz dns.gigaserver.cz`

Analysis

IP Addresses

brainteaserstudio.com points to a single IP address: 185.14.224.148.

Other host names, for example kocary-vary.cz, hairo.cz and turbosol.cz share IPs with brainteaserstudio.com.

Name Servers

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

brainteaserstudio.com at least partially shares name servers with other domains, for example aifut.com, trocal.cz, hmdance.cz, nsk-sro.cz and micasapanama.com.

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

The mail.vykoupil.eu mail server handles brainteaserstudio.com.

brainteaserstudio.com shares the same mail server setup as other domains, including hairo.cz, nixski.cz, darwinhotel.cz, vykoupil.eu and nixski.sk.

mail.vykoupil.eu points to a single IP number: 81.91.92.149.

brainteaserstudio.com - robtex.com