`gzk12.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2a24^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:9bc4^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.42.36^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.196^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`marek.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
NS	`meera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meera.ns.cloudflare.com`
		A	108.162.192.195^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
		A	172.64.32.195^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
		A	173.245.58.195^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.42.36, 172.67.155.196
		IPv6	2606:4700:3033::6815:2a24, 2606:4700:3035::ac43:9bc4
SOA	`marek.ns.cloudflare.com`dns@cloudflare.com serial=2398984922

`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=1774669692

Same first word

gzk12.com

DNS History

19 records (6 active, 13 former)

○NSf1g1ns1.dnspod.net2016-03-26 → 2016-12-19 · 5 obs

○ 2015-12-23 12:02:12
● 2016-03-26 12:08:52
● 2016-12-19 11:07:54
○ 2017-08-17 08:49:18
○ 2026-03-28 03:53:08

○NSf1g1ns2.dnspod.net2016-03-26 → 2016-12-19 · 5 obs

○ 2015-12-23 12:02:12
● 2016-03-26 12:08:52
● 2016-12-19 11:07:54
○ 2017-08-17 08:49:18
○ 2026-03-28 03:53:08

○NSjuming.dnsdun.com2017-08-17 → 2017-08-17 · 4 obs

○ 2016-12-19 11:07:54
● 2017-08-17 08:49:18
○ 2026-02-16 08:05:56
○ 2026-03-28 03:53:08

○NSjuming.dnsdun.net2017-08-17 → 2017-08-17 · 4 obs

○ 2016-12-19 11:07:54
● 2017-08-17 08:49:18
○ 2026-02-16 08:05:56
○ 2026-03-28 03:53:08

●NSmarek.ns.cloudflare.com2026-02-16 → 2026-03-28 · 3 obs

○ 2017-08-17 08:49:18
● 2026-02-16 08:05:56
● 2026-03-28 03:53:08

●NSmeera.ns.cloudflare.com2026-02-16 → 2026-03-28 · 3 obs

○ 2017-08-17 08:49:18
● 2026-02-16 08:05:56
● 2026-03-28 03:53:08

○NSns11.xincache.com2015-05-14 → 2015-05-14 · 3 obs

● 2015-05-14 18:47:10
○ 2015-10-17 15:13:56
○ 2026-03-28 03:53:08

○NSns12.xincache.com2015-05-14 → 2015-05-14 · 3 obs

● 2015-05-14 18:47:10
○ 2015-10-17 15:13:56
○ 2026-03-28 03:53:08

○NSns15.xincache.com2015-10-17 → 2015-10-17 · 4 obs

○ 2015-05-14 18:47:10
● 2015-10-17 15:13:56
○ 2015-12-23 12:02:12
○ 2026-03-28 03:53:08

○NSns16.xincache.com2015-10-17 → 2015-10-17 · 4 obs

○ 2015-05-14 18:47:10
● 2015-10-17 15:13:56
○ 2015-12-23 12:02:12
○ 2026-03-28 03:53:08

●A104.21.42.362026-03-16 → 2026-03-28 · 3 obs

○ 2026-02-16 08:05:56
● 2026-03-16 04:13:30
● 2026-03-28 03:53:08

○A139.5.181.362017-08-17 → 2017-08-17 · 3 obs

● 2017-08-17 08:49:18
○ 2026-02-16 08:05:56
○ 2026-03-28 03:53:08

●A172.67.155.1962026-03-16 → 2026-03-28 · 3 obs

○ 2026-02-16 08:05:56
● 2026-03-16 04:13:30
● 2026-03-28 03:53:08

○A188.114.96.02026-02-16 → 2026-02-16 · 4 obs

○ 2017-08-17 08:49:18
● 2026-02-16 08:05:56
○ 2026-03-16 04:13:30
○ 2026-03-28 03:53:08

○A188.114.97.02026-02-16 → 2026-02-16 · 4 obs

○ 2017-08-17 08:49:18
● 2026-02-16 08:05:56
○ 2026-03-16 04:13:30
○ 2026-03-28 03:53:08

●A2606:4700:3033::6815:2a242026-03-16 → 2026-03-28 · 3 obs

○ 2026-02-16 08:05:56
● 2026-03-16 04:13:30
● 2026-03-28 03:53:08

●A2606:4700:3035::ac43:9bc42026-03-16 → 2026-03-28 · 3 obs

○ 2026-02-16 08:05:56
● 2026-03-16 04:13:30
● 2026-03-28 03:53:08

○A2a06:98c1:3120::2026-02-16 → 2026-02-16 · 4 obs

○ 2017-08-17 08:49:18
● 2026-02-16 08:05:56
○ 2026-03-16 04:13:30
○ 2026-03-28 03:53:08

○A2a06:98c1:3121::2026-02-16 → 2026-02-16 · 4 obs

○ 2017-08-17 08:49:18
● 2026-02-16 08:05:56
○ 2026-03-16 04:13:30
○ 2026-03-28 03:53:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
gzk12.com	marek.ns.cloudflare.com, meera.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.202

NS records: marek.ns.cloudflare.com, meera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gzk12.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.42.36, 172.67.155.196`
AAAA	2	`2606:4700:3033::6815:2a24, 2606:4700:3035::ac43:9bc4`
NS	2	`marek.ns.cloudflare.com, meera.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`marek.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (marek.ns.cloudflare.com, marek.ns.cloudflare.com, marek.ns.cloudflare.com...)

Analysis

IP Addresses

gzk12.com resolves to four IP numbers: 2606:4700:3033::6815:2a24, 2606:4700:3035::ac43:9bc4, 104.21.42.36 and 172.67.155.196.

Other host names such as m.bsjlight.com, ptbusinesscoaches.com, yeezyshoess.com, 35966i.com and easyparcel.co.th share IPs with gzk12.com.

Name Servers

gzk12.com is delegated to two name servers: marek.ns.cloudflare.com and meera.ns.cloudflare.com.

gzk12.com shares the same name server setup as shehaben.com, nnwzd.com, songmate.net, tiaotiaohups.com and hskgm.com.

gzk12.com at least partially shares name servers with other domains, for instance ykkcloud.link, schulpen.nl, axisystem.com, high-office-jobanfrage.com and sinterklaasgroningen.nl.

These name servers are commonly used with ian.ns.cloudflare.com and rosa.ns.cloudflare.com.

Host names with six IP numbers:

marek.ns.cloudflare.com points to 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202.

meera.ns.cloudflare.com points to 2606:4700:50::adf5:3ac3, 2803:f800:50::6ca2:c0c3, 2a06:98c1:50::ac40:20c3, 108.162.192.195, 172.64.32.195 and 173.245.58.195.

gzk12.com - robtex.com

gzk12.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`gzk12.com`

`com`