`51kingbo.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c819^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:15ca^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.202^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.25^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cruz.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a58^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c058^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cruz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2058^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cruz.ns.cloudflare.com`
		A	108.162.192.88^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	172.64.32.88^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	173.245.58.88^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
NS	`gerald.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gerald.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gerald.ns.cloudflare.com`
		A	108.162.193.168^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
		A	172.64.33.168^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
		A	173.245.59.168^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.202, 172.67.200.25
		IPv6 hints	2606:4700:3031::ac43:c819, 2606:4700:3035::6815:15ca
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com
SOA	`cruz.ns.cloudflare.com`dns@cloudflare.com serial=2408510836

`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=1785201057

Same first word

51kingbo.com

DNS History

12 records (6 active, 6 former)

●NScruz.ns.cloudflare.com2026-07-28 → 2026-07-28 · 3 obs

○ 2026-06-02 05:36:58
● 2026-07-28 01:15:16
● 2026-07-28 01:15:18

○NSf1g1ns1.dnspod.net2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 19:56:26
○ 2026-05-17 02:58:26
○ 2026-07-28 01:15:18

○NSf1g1ns2.dnspod.net2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 19:56:26
○ 2026-05-17 02:58:26
○ 2026-07-28 01:15:18

●NSgerald.ns.cloudflare.com2026-07-28 → 2026-07-28 · 3 obs

○ 2026-06-02 05:36:58
● 2026-07-28 01:15:16
● 2026-07-28 01:15:18

○NSns1.dns.com2026-05-17 → 2026-06-02 · 5 obs

○ 2019-12-18 19:56:26
● 2026-05-17 02:58:26
● 2026-06-02 05:36:58
○ 2026-07-28 01:15:16
○ 2026-07-28 01:15:18

○NSns2.dns.com2026-05-17 → 2026-06-02 · 5 obs

○ 2019-12-18 19:56:26
● 2026-05-17 02:58:26
● 2026-06-02 05:36:58
○ 2026-07-28 01:15:16
○ 2026-07-28 01:15:18

●A104.21.21.2022026-07-28 → 2026-07-28 · 3 obs

○ 2026-06-02 05:36:58
● 2026-07-28 01:15:16
● 2026-07-28 01:15:18

○A107.163.90.162026-05-17 → 2026-06-02 · 5 obs

○ 2019-12-18 19:56:26
● 2026-05-17 02:58:26
● 2026-06-02 05:36:58
○ 2026-07-28 01:15:16
○ 2026-07-28 01:15:18

○A154.194.173.2062019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 19:56:26
○ 2026-05-17 02:58:26
○ 2026-07-28 01:15:18

●A172.67.200.252026-07-28 → 2026-07-28 · 3 obs

○ 2026-06-02 05:36:58
● 2026-07-28 01:15:16
● 2026-07-28 01:15:18

●A2606:4700:3031::ac43:c8192026-07-28 → 2026-07-28 · 3 obs

○ 2026-06-02 05:36:58
● 2026-07-28 01:15:16
● 2026-07-28 01:15:18

●A2606:4700:3035::6815:15ca2026-07-28 → 2026-07-28 · 3 obs

○ 2026-06-02 05:36:58
● 2026-07-28 01:15:16
● 2026-07-28 01:15:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
51kingbo.com	cruz.ns.cloudflare.com, gerald.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.88

NS records: cruz.ns.cloudflare.com, gerald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.21.202, 172.67.200.25`
AAAA	2	`2606:4700:3035::6815:15ca, 2606:4700:3031::ac43:c819`
NS	2	`cruz.ns.cloudflare.com, gerald.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cruz.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51kingbo.com points to the four IP addresses 104.21.21.202, 172.67.200.25, 2606:4700:3031::ac43:c819 and 2606:4700:3035::6815:15ca.

gxinw.top, (0x706f726e)maxstream.shop, pl.juicexgirl.com plus two other host names have IP numbers in common with 51kingbo.com.

Name Servers

Two name servers handle the delegation for 51kingbo.com: cruz.ns.cloudflare.com and gerald.ns.cloudflare.com.

The name server configuration of 51kingbo.com is shared with other domains, for instance uautosee.com, jlc-dz.com, zztgcs.com and two others.

At least some of 51kingbo.com's name servers are shared with other domains, for example hairnews.co, picsomo.com, crit.me and two more.

These name servers tend to be used in conjunction with the name servers sharon.ns.cloudflare.com.

Hosts with 6 IP addresses each:

cruz.ns.cloudflare.com resolves to 108.162.192.88, 172.64.32.88 and 173.245.58.88 among others, with 3 other IP addresses in total.

gerald.ns.cloudflare.com resolves to 108.162.193.168, 172.64.33.168 and 173.245.59.168 among others, with 3 other IP addresses in total.

51kingbo.com - robtex.com

51kingbo.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

`51kingbo.com`

`com`