`usbkluc.sk`

DNSSEC	⚠️ Not signed
A	77.78.104.3^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
		PTR	`yurika.gransy.com`
NS	`ns2.gransy.com` ⭐
		A	2001:19f0:6801:474:5400:1ff:fec5:8efb^{🇫🇷 AS-VULTR2001:19f0:6800::/38 Vultr Assigned Prefix}
		A	2001:19f0:7401:81e0:5400:1ff:fec5:8ef6^{🇬🇧 AS-VULTR2001:19f0:7400::/38 Vultr Assigned Prefix}
		A	95.179.192.121^{🇬🇧 AS-VULTR95.179.192.0/20 Vultr Assigned Prefix}
			PTR	`95.179.192.121.vultrusercontent.com`
		A	217.16.185.221^{🇨🇿 VSHOSTING217.16.176.0/20 III.}
			PTR	`ns2.gransy.com`
		A	217.69.4.49^{🇫🇷 AS-VULTR217.69.0.0/20 Vultr Assigned Prefix}
			PTR	`217.69.4.49.vultrusercontent.com`
NS	`ns.gransy.com`
		A	2001:19f0:5001:1caf:5400:1ff:fec5:8d50^{🇳🇱 AS-VULTR2001:19f0:5000::/38 Vultr Assigned Prefix}
		A	45.76.90.43^{🇩🇪 AS-VULTR45.76.80.0/20 Vultr Assigned Prefix}
			PTR	`45.76.90.43.vultrusercontent.com`
		A	77.78.104.149^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
			PTR	`ns.gransy.com`
		A	95.179.136.180^{🇳🇱 AS-VULTR95.179.128.0/20 Vultr Assigned Prefix}
			PTR	`95.179.136.180.vultrusercontent.com`
NS	`ns3.gransy.com`
		A	2a02:750:7::2e7^{🇸🇪 GLESYS2a02:750::/29}
			PTR	`2a02-750-7--2e7-static.glesys.net`
		A	2a02:750:8::32^{🇳🇱 GLESYS2a02:750:8::/48 GleSYS AB}
			PTR	`2a02-750-8--32-static.glesys.net`
		A	46.21.100.103^{🇳🇱 GLESYS46.21.100.0/24 GleSYS AB}
			PTR	`46-21-100-103-static.glesys.net`
		A	77.78.126.35^{🇨🇿 CASABLANCA-AS77.78.124.0/22 Casablanca INT}
		A	109.74.7.71^{🇸🇪 GLESYS109.74.0.0/20}
			PTR	`109-74-7-71-static.glesys.net`
NS	`ns4.gransy.com`
		A	2001:19f0:5401:69b:5400:1ff:fec5:8f3f^{🇺🇸 AS-VULTR2001:19f0:5400::/38 Vultr Assigned Prefix}
		A	2a00:1a28:2010:1::89^{🇳🇴 GLESYS2a00:1a28::/32 Portlane Network}
			PTR	`2a00-1a28-2010-1--89-static.glesys.net`
		A	66.42.94.136^{🇺🇸 AS-VULTR66.42.80.0/20 Vultr Assigned Prefix}
			PTR	`66.42.94.136.vultrusercontent.com`
		A	80.67.7.209^{🇳🇴 GLESYS80.67.0.0/20 Portlane Network}
			PTR	`80-67-7-209-static.glesys.net`
NS	`ns5.gransy.com`
		A	2a02:750:5::538^{🇸🇪 GLESYS2a02:750::/29}
			PTR	`2a02-750-5--538-static.glesys.net`
		A	31.192.227.223^{🇸🇪 GLESYS31.192.224.0/21}
			PTR	`31-192-227-223-static.glesys.net`
MX	`mail.usbkluc.sk` ⭐
TXT	`v=spf1 a mx include:gransy.com`
SOA	`ns.gransy.com`root@gransy.com serial=2753309136

`sk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`m.tld.sk` ⭐
	NS	`e.tld.sk`
	NS	`f.tld.sk`
	NS	`g.tld.sk`
	NS	`h.tld.sk`
	SOA	`m.tld.sk`hostmaster@sk-nic.sk serial=2018489069

Subdomains

mail.usbkluc.sk

Same first word

usbkluc.sk

Similar names

clubsuk.com

ukclubs.com

luckbus.com

ukclubs.co.uk

sukclub.com

culbuks.com

DNS History

17 records (7 active, 10 former)

●NSns.gransy.com2026-03-26 → 2026-03-26 · 2 obs

○ 2017-11-02 08:43:38
● 2026-03-26 20:56:50

○NSns1.kudo.sk2016-12-29 → 2017-11-02 · 4 obs

○ 2015-05-09 08:57:36
● 2016-12-29 03:44:52
● 2017-11-02 08:43:38
○ 2026-03-26 20:56:50

○NSns1.websupport.sk2015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 08:57:36
○ 2016-12-29 03:44:52
○ 2026-03-26 20:56:50

●NSns2.gransy.com2026-03-26 → 2026-03-26 · 2 obs

○ 2017-11-02 08:43:38
● 2026-03-26 20:56:50

○NSns2.kudo.sk2016-12-29 → 2017-11-02 · 4 obs

○ 2015-05-09 08:57:36
● 2016-12-29 03:44:52
● 2017-11-02 08:43:38
○ 2026-03-26 20:56:50

○NSns2.websupport.sk2015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 08:57:36
○ 2016-12-29 03:44:52
○ 2026-03-26 20:56:50

●NSns3.gransy.com2026-03-26 → 2026-03-26 · 2 obs

○ 2017-11-02 08:43:38
● 2026-03-26 20:56:50

○NSns3.websupport.sk2015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 08:57:36
○ 2016-12-29 03:44:52
○ 2026-03-26 20:56:50

●NSns4.gransy.com2026-03-26 → 2026-03-26 · 2 obs

○ 2017-11-02 08:43:38
● 2026-03-26 20:56:50

●NSns5.gransy.com2026-03-26 → 2026-03-26 · 2 obs

○ 2017-11-02 08:43:38
● 2026-03-26 20:56:50

●MXmail.usbkluc.sk2026-03-26 → 2026-03-26 · 2 obs

○ 2017-11-02 08:43:38
● 2026-03-26 20:56:50

○MXmailin1.usbkluc.sk2015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 08:57:36
○ 2016-12-29 03:44:52
○ 2026-03-26 20:56:50

○MXmailin2.usbkluc.sk2015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 08:57:36
○ 2016-12-29 03:44:52
○ 2026-03-26 20:56:50

○MXusbkluc.sk2016-12-29 → 2017-11-02 · 4 obs

○ 2015-05-09 08:57:36
● 2016-12-29 03:44:52
● 2017-11-02 08:43:38
○ 2026-03-26 20:56:50

○A37.9.175.72015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 08:57:36
○ 2016-12-29 03:44:52
○ 2026-03-26 20:56:50

●A77.78.104.32026-03-26 → 2026-03-26 · 2 obs

○ 2017-11-02 08:43:38
● 2026-03-26 20:56:50

○A92.240.248.1282016-12-29 → 2017-11-02 · 4 obs

○ 2015-05-09 08:57:36
● 2016-12-29 03:44:52
● 2017-11-02 08:43:38
○ 2026-03-26 20:56:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk	-
usbkluc.sk	ns2.gransy.com, ns.gransy.com, ns4.gransy.com, ns5.gransy.com...	-

✅ Authoritative Response

Server:95.179.136.180

NS records: ns2.gransy.com, ns.gransy.com, ns4.gransy.com, ns5.gransy.com, ns3.gransy.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at sk: Error: DNS query timeout: 194.169.218.16 for DNSKEY sk

⏱️ Timing

Total: 4099ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.78.104.3`
NS	5	`ns5.gransy.com, ns.gransy.com...`
MX	1	`mail.usbkluc.sk (pri: 10)`
TXT	1	`v=spf1 a mx include:gransy.com`
SOA	1	`ns.gransy.com root.gransy.com`

Analysis

Hierarchy

The parent of mail.usbkluc.sk is usbkluc.sk.

IP Addresses

usbkluc.sk points to a single IP number: 77.78.104.3.

Other host names, for instance simkova.net, proviznisit.com, coti.emcm.cz, cctld.co.za and linux5.netdiscounter.de share IP numbers with usbkluc.sk.

Name Servers

usbkluc.sk is delegated to five name servers: ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com and ns.gransy.com.

usbkluc.sk shares name servers with other domains at least partially, for instance kaminsky.cz, kalendarluny.cz, tokmetal.com, tsup.sk and bulk-whois-api.com.