`bgolf.cz`

DNSSEC	⚠️ Not signed
A	2001:1568::13^{🇨🇿 WEB4U2001:1568::/33}
		PTR	`php56.web4u.cz`
A	81.91.86.13^{🇨🇿 WEB4U81.91.80.0/21}
NS	`ns.grdns.cz` ⭐
		A	2001:15e8:101:1::c268^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`ns.grdns.cz`
		A	81.2.194.104^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`ns.grdns.cz`
NS	`ns.grdns.it`
		A	2a00:6d41:2:1::7^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`ns.grdns.it`
		A	95.110.254.167^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`ns.grdns.it`
MX	`bgolf-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
TXT	`MS=ms52923657`
TXT	`v=spf1 mx include:_spf.uvtmail.cz include:spf.protection.outlook.com -all`
SOA	`ns.grdns.cz`admin@forpsi.com 2022-12-12 #1

`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=1783860439

Same first word

bgolf.com

bgolf.cz

Similar names

fblog.jp

fblog.me

flbog.edu

blogf.de

blogf.com

blogf.ir

bflog.com

gofbl.com

fblog.com.br

bflog.net

flbog.net

fblog.fr

flbog.org

fblog.in

DNS History

9 records (5 active, 4 former)

●NSns.grdns.cz2026-03-26 → 2026-07-12 · 3 obs

○ 2021-09-08 13:04:48
● 2026-03-26 17:06:56
● 2026-07-12 13:19:08

●NSns.grdns.it2026-03-26 → 2026-07-12 · 3 obs

○ 2021-09-08 13:04:48
● 2026-03-26 17:06:56
● 2026-07-12 13:19:08

○NSns1.uvt.cz2019-01-04 → 2021-09-08 · 4 obs

● 2019-01-04 16:53:56
● 2021-09-08 13:04:48
○ 2026-03-26 17:06:56
○ 2026-07-12 13:19:08

○NSns2.uvt.cz2019-01-04 → 2021-09-08 · 4 obs

● 2019-01-04 16:53:56
● 2021-09-08 13:04:48
○ 2026-03-26 17:06:56
○ 2026-07-12 13:19:08

●MXbgolf-cz.mail.protection.outlook.com2021-09-08 → 2026-07-12 · 3 obs

○ 2019-01-04 16:53:56
● 2021-09-08 13:04:48
● 2026-07-12 13:19:08

○MXmail.bgolf.cz2019-01-04 → 2019-01-04 · 3 obs

● 2019-01-04 16:53:56
○ 2021-09-08 13:04:48
○ 2026-07-12 13:19:08

○MXsms.uvt.cz2019-01-04 → 2019-01-04 · 3 obs

● 2019-01-04 16:53:56
○ 2021-09-08 13:04:48
○ 2026-07-12 13:19:08

●A2001:1568::132019-01-04 → 2026-07-12 · 2 obs

● 2019-01-04 16:53:56
● 2026-07-12 13:19:08

●A81.91.86.132019-01-04 → 2026-07-12 · 2 obs

● 2019-01-04 16:53:56
● 2026-07-12 13:19:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz	-
bgolf.cz	ns.grdns.cz, ns.grdns.it	2 records

✅ Authoritative Response

Server:81.2.194.104

NS records: ns.grdns.cz, ns.grdns.it

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bgolf.cz (unsigned zone)

⏱️ Timing

Total: 1317ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.86.13`
AAAA	1	`2001:1568::13`
NS	2	`ns.grdns.cz, ns.grdns.it`
MX	1	`bgolf-cz.mail.protection.outlook.com (pr`
TXT	2	`MS=ms52923657, v=spf1 mx include:_spf.uvtmail.cz includ`
SOA	1	`ns.grdns.cz admin.forpsi.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)

Analysis

IP Addresses

bgolf.cz resolves to the IP addresses 81.91.86.13 and 2001:1568::13

www.vertikon.cz, prepis-not.cz, boxerdiesel.cz plus two other host names have IP numbers in common with bgolf.cz.

Name Servers

DNS delegation for bgolf.cz points to two name servers: ns.grdns.cz and ns.grdns.it.

The name server configuration of bgolf.cz is shared with other domains, for instance zofin.cz, hron.eu, vstransgroup.cz and two others.

bgolf.cz has partial name server overlap with other domains, including velkycetin.sk.

ns.grdns.cz directs to 81.2.194.104 and 2001:15e8:101:1::c268. ns.grdns.it directs to 95.110.254.167 and 2a00:6d41:2:1::7. Each host name carries two IP addresses.

Mail Servers

bgolf.cz uses one mail server — bgolf-cz.mail.protection.outlook.com.

bgolf-cz.mail.protection.outlook.com has 8 IP addresses: 52.101.68.0, 52.101.68.3, 52.101.68.10 plus 5 more.

bgolf.cz - robtex.com

bgolf.cz

cz