`51zxq.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1212^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:b39f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.18^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.179.159^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`candy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`candy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`candy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`candy.ns.cloudflare.com`
		A	108.162.192.79^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`candy.ns.cloudflare.com`
		A	172.64.32.79^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`candy.ns.cloudflare.com`
		A	173.245.58.79^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`candy.ns.cloudflare.com`
NS	`julio.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`julio.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`julio.ns.cloudflare.com`
		A	108.162.195.209^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
		A	162.159.44.209^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
		A	172.64.35.209^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.18.18, 172.67.179.159
		IPv6 hints	2606:4700:3031::6815:1212, 2606:4700:3031::ac43:b39f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=226, name=cloudflare-ech.com
SOA	`candy.ns.cloudflare.com`dns@cloudflare.com serial=2407216112

`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=1785107187

Same first word

51zxq.com

DNS History

20 records (6 active, 14 former)

●NScandy.ns.cloudflare.com2026-07-26 → 2026-07-26 · 2 obs

○ 2026-04-26 10:19:18
● 2026-07-26 23:21:02

○NSdns10.hichina.com2016-02-06 → 2016-05-02 · 4 obs

● 2016-02-06 11:07:32
● 2016-05-02 19:54:06
○ 2017-01-20 07:22:00
○ 2026-07-26 23:21:02

○NSdns19.hichina.com2026-04-25 → 2026-04-26 · 4 obs

○ 2026-04-02 13:47:24
● 2026-04-25 06:18:50
● 2026-04-26 10:19:18
○ 2026-07-26 23:21:02

○NSdns20.hichina.com2026-04-25 → 2026-04-26 · 4 obs

○ 2026-04-02 13:47:24
● 2026-04-25 06:18:50
● 2026-04-26 10:19:18
○ 2026-07-26 23:21:02

○NSdns9.hichina.com2016-02-06 → 2016-05-02 · 4 obs

● 2016-02-06 11:07:32
● 2016-05-02 19:54:06
○ 2017-01-20 07:22:00
○ 2026-07-26 23:21:02

○NSexpirens3.hichina.com2026-04-25 → 2026-04-26 · 4 obs

○ 2026-04-02 13:47:24
● 2026-04-25 06:18:50
● 2026-04-26 10:19:18
○ 2026-07-26 23:21:02

○NSexpirens4.hichina.com2026-04-25 → 2026-04-26 · 4 obs

○ 2026-04-02 13:47:24
● 2026-04-25 06:18:50
● 2026-04-26 10:19:18
○ 2026-07-26 23:21:02

●NSjulio.ns.cloudflare.com2026-07-26 → 2026-07-26 · 2 obs

○ 2026-04-26 10:19:18
● 2026-07-26 23:21:02

○NSns1.judns.com2026-02-26 → 2026-04-02 · 5 obs

○ 2017-01-20 07:22:00
● 2026-02-26 02:01:32
● 2026-04-02 13:47:24
○ 2026-04-25 06:18:50
○ 2026-07-26 23:21:02

○NSns1.julydns.com2026-02-26 → 2026-04-02 · 5 obs

○ 2017-01-20 07:22:00
● 2026-02-26 02:01:32
● 2026-04-02 13:47:24
○ 2026-04-25 06:18:50
○ 2026-07-26 23:21:02

○NSns2.judns.com2026-02-26 → 2026-04-02 · 5 obs

○ 2017-01-20 07:22:00
● 2026-02-26 02:01:32
● 2026-04-02 13:47:24
○ 2026-04-25 06:18:50
○ 2026-07-26 23:21:02

○NSns2.julydns.com2026-02-26 → 2026-04-02 · 5 obs

○ 2017-01-20 07:22:00
● 2026-02-26 02:01:32
● 2026-04-02 13:47:24
○ 2026-04-25 06:18:50
○ 2026-07-26 23:21:02

○A103.56.102.942016-02-06 → 2016-05-02 · 4 obs

● 2016-02-06 11:07:32
● 2016-05-02 19:54:06
○ 2017-01-20 07:22:00
○ 2026-07-26 23:21:02

●A104.21.18.182026-07-26 → 2026-07-26 · 2 obs

○ 2026-03-26 10:24:52
● 2026-07-26 23:21:02

●A172.67.179.1592026-07-26 → 2026-07-26 · 2 obs

○ 2026-03-26 10:24:52
● 2026-07-26 23:21:02

●A2606:4700:3031::6815:12122026-07-26 → 2026-07-26 · 2 obs

○ 2026-03-26 10:24:52
● 2026-07-26 23:21:02

●A2606:4700:3031::ac43:b39f2026-07-26 → 2026-07-26 · 2 obs

○ 2026-03-26 10:24:52
● 2026-07-26 23:21:02

○A43.224.225.1672026-02-26 → 2026-03-08 · 5 obs

○ 2017-01-20 07:22:00
● 2026-02-26 02:01:32
● 2026-03-08 13:58:16
○ 2026-03-26 10:24:52
○ 2026-07-26 23:21:02

○CNAME51owner.com2016-02-06 → 2016-05-02 · 4 obs

● 2016-02-06 11:07:32
● 2016-05-02 19:54:06
○ 2017-01-20 07:22:00
○ 2026-07-26 23:21:02

○CNAMEexpired.hichina.com2026-04-25 → 2026-04-26 · 4 obs

○ 2017-01-20 07:22:00
● 2026-04-25 06:18:50
● 2026-04-26 10:19:18
○ 2026-07-26 23:21:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51zxq.com	candy.ns.cloudflare.com, julio.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.79

NS records: candy.ns.cloudflare.com, julio.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51zxq.com (unsigned zone)

⏱️ Timing

Total: 98ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.179.159, 104.21.18.18`
AAAA	2	`2606:4700:3031::ac43:b39f, 2606:4700:3031::6815:1212`
NS	2	`candy.ns.cloudflare.com, julio.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`candy.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51zxq.com directs to four IP numbers, which are 104.21.18.18, 172.67.179.159, 2606:4700:3031::6815:1212 and 2606:4700:3031::ac43:b39f.

Additional host names — www.qbt520.com, web.wpk.com, www.invil.org and two others — share IP numbers with 51zxq.com.

Name Servers

DNS delegation for 51zxq.com points to two name servers: candy.ns.cloudflare.com and julio.ns.cloudflare.com.

51zxq.com shares its name server setup with other domains, including b4526.com, ck223.com, gk1996.com and two others.

The name servers of 51zxq.com overlap at least partially with those of other domains — among them 012hh.com, roiway.ru, p73p.com and two more.

These name servers commonly co-occur with the name servers henry.ns.cloudflare.com, elinore.ns.cloudflare.com, lisa.ns.cloudflare.com and andy.ns.cloudflare.com.

Host names with 6 IP numbers:

candy.ns.cloudflare.com has IP addresses 108.162.192.79, 172.64.32.79 and 173.245.58.79, plus 3 other.

julio.ns.cloudflare.com has IP addresses 108.162.195.209, 162.159.44.209 and 172.64.35.209, plus 3 other.

51zxq.com - robtex.com

51zxq.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

`51zxq.com`

`com`