`521hp.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:885d^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:48e3^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.227^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.93^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brad.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b69^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c169^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brad.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2169^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brad.ns.cloudflare.com`
		A	108.162.193.105^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	172.64.33.105^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	173.245.59.105^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
NS	`serenity.ns.cloudflare.com`
		A	2606:4700:50::a29f:266c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serenity.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serenity.ns.cloudflare.com`
		A	108.162.194.108^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	162.159.38.108^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	172.64.34.108^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.72.227, 172.67.136.93
		IPv6	2606:4700:3032::ac43:885d, 2606:4700:3033::6815:48e3
SOA	`brad.ns.cloudflare.com`dns@cloudflare.com serial=2395763863

`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=1771291435

Same first word

521hp.com

DNS History

25 records (6 active, 19 former)

●NSbrad.ns.cloudflare.com2026-03-08 → 2026-03-22 · 3 obs

○ 2020-03-25 02:45:50
● 2026-03-08 14:31:16
● 2026-03-22 15:48:56

○NSdns29.hichina.com2020-03-25 → 2020-03-25 · 4 obs

○ 2016-08-08 23:08:14
● 2020-03-25 02:45:50
○ 2026-03-08 14:31:16
○ 2026-03-22 15:48:56

○NSdns30.hichina.com2020-03-25 → 2020-03-25 · 4 obs

○ 2016-08-08 23:08:14
● 2020-03-25 02:45:50
○ 2026-03-08 14:31:16
○ 2026-03-22 15:48:56

○NSf1g1ns1.dnspod.net2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 15:17:44
○ 2015-12-02 10:35:38
○ 2026-03-22 15:48:56

○NSf1g1ns2.dnspod.net2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 15:17:44
○ 2015-12-02 10:35:38
○ 2026-03-22 15:48:56

○NSn3056.ns.yunjiasu.com2016-03-01 → 2016-03-01 · 4 obs

○ 2015-12-02 10:35:38
● 2016-03-01 22:17:34
○ 2016-08-08 23:08:14
○ 2026-03-22 15:48:56

○NSn337.ns.yunjiasu.com2016-03-01 → 2016-03-01 · 4 obs

○ 2015-12-02 10:35:38
● 2016-03-01 22:17:34
○ 2016-08-08 23:08:14
○ 2026-03-22 15:48:56

○NSns43.domaincontrol.com2016-08-08 → 2016-08-08 · 4 obs

○ 2016-03-01 22:17:34
● 2016-08-08 23:08:14
○ 2020-03-25 02:45:50
○ 2026-03-22 15:48:56

○NSns44.domaincontrol.com2016-08-08 → 2016-08-08 · 4 obs

○ 2016-03-01 22:17:34
● 2016-08-08 23:08:14
○ 2020-03-25 02:45:50
○ 2026-03-22 15:48:56

○NSns51.domaincontrol.com2015-12-02 → 2015-12-02 · 4 obs

○ 2015-07-04 15:17:44
● 2015-12-02 10:35:38
○ 2016-03-01 22:17:34
○ 2026-03-22 15:48:56

○NSns52.domaincontrol.com2015-12-02 → 2015-12-02 · 4 obs

○ 2015-07-04 15:17:44
● 2015-12-02 10:35:38
○ 2016-03-01 22:17:34
○ 2026-03-22 15:48:56

○NSns73.domaincontrol.com2015-12-02 → 2015-12-02 · 4 obs

○ 2015-07-04 15:17:44
● 2015-12-02 10:35:38
○ 2016-03-01 22:17:34
○ 2026-03-22 15:48:56

○NSns74.domaincontrol.com2015-12-02 → 2015-12-02 · 4 obs

○ 2015-07-04 15:17:44
● 2015-12-02 10:35:38
○ 2016-03-01 22:17:34
○ 2026-03-22 15:48:56

●NSserenity.ns.cloudflare.com2026-03-08 → 2026-03-22 · 3 obs

○ 2020-03-25 02:45:50
● 2026-03-08 14:31:16
● 2026-03-22 15:48:56

○MXmailstore1.secureserver.net2015-12-02 → 2016-08-08 · 5 obs

● 2015-12-02 10:35:38
○ 2016-03-01 22:17:34
● 2016-08-08 23:08:14
○ 2020-03-25 02:45:50
○ 2026-03-22 15:48:56

○MXsmtp.secureserver.net2015-12-02 → 2016-08-08 · 5 obs

● 2015-12-02 10:35:38
○ 2016-03-01 22:17:34
● 2016-08-08 23:08:14
○ 2020-03-25 02:45:50
○ 2026-03-22 15:48:56

○A103.197.158.1552015-12-02 → 2015-12-02 · 4 obs

○ 2015-07-04 15:17:44
● 2015-12-02 10:35:38
○ 2016-03-01 22:17:34
○ 2026-03-22 15:48:56

●A104.21.72.2272026-03-08 → 2026-03-22 · 3 obs

○ 2020-03-25 02:45:50
● 2026-03-08 14:31:16
● 2026-03-22 15:48:56

○A166.62.95.2122017-03-26 → 2017-03-26 · 4 obs

○ 2016-08-08 23:08:14
● 2017-03-26 19:37:04
○ 2020-03-25 02:45:50
○ 2026-03-22 15:48:56

●A172.67.136.932026-03-08 → 2026-03-22 · 3 obs

○ 2020-03-25 02:45:50
● 2026-03-08 14:31:16
● 2026-03-22 15:48:56

○A205.209.178.2182016-03-01 → 2016-03-01 · 4 obs

○ 2015-12-02 10:35:38
● 2016-03-01 22:17:34
○ 2016-08-08 23:08:14
○ 2026-03-22 15:48:56

○A23.245.55.1902015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 15:17:44
○ 2015-12-02 10:35:38
○ 2026-03-22 15:48:56

●A2606:4700:3032::ac43:885d2026-03-08 → 2026-03-22 · 3 obs

○ 2020-03-25 02:45:50
● 2026-03-08 14:31:16
● 2026-03-22 15:48:56

●A2606:4700:3033::6815:48e32026-03-08 → 2026-03-22 · 3 obs

○ 2020-03-25 02:45:50
● 2026-03-08 14:31:16
● 2026-03-22 15:48:56

○A69.165.67.1552016-08-08 → 2016-08-08 · 4 obs

○ 2016-03-01 22:17:34
● 2016-08-08 23:08:14
○ 2017-03-26 19:37:04
○ 2026-03-22 15:48:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
521hp.com	brad.ns.cloudflare.com, serenity.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.194.108

NS records: brad.ns.cloudflare.com, serenity.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 521hp.com (unsigned zone)

⏱️ Timing

Total: 136ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.72.227, 172.67.136.93`
AAAA	2	`2606:4700:3033::6815:48e3, 2606:4700:3032::ac43:885d`
NS	2	`brad.ns.cloudflare.com, serenity.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brad.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

521hp.com maps to four IP numbers: 2606:4700:3032::ac43:885d, 2606:4700:3033::6815:48e3, 104.21.72.227 and 172.67.136.93.

Other host names, for instance algonot.com, videos-zoofilia.com, simsdom.com, rochapro.com and 8885888.cn share IP numbers with 521hp.com.

Name Servers

Two name servers brad.ns.cloudflare.com and serenity.ns.cloudflare.com are delegated to 521hp.com.

521hp.com uses the same name server configuration as other domains, such as a79096.cc, 6495sxw.cc, bscdn.cc, 8896vip91.top and 0018h.cc.

521hp.com at least partially shares name servers with other domains such as liseuse.biz, dailyshincho.jp, kuveru.com, okeefe.co and connectingdiversity.com.

these name servers are commonly used with the name servers arnold.ns.cloudflare.com.

Host names with six IP numbers: Host name brad.ns.cloudflare.com points to 2606:4700:58::adf5:3b69, 2803:f800:50::6ca2:c169, 2a06:98c1:50::ac40:2169, 108.162.193.105, 172.64.33.105 and 173.245.59.105; host name serenity.ns.cloudflare.com points to 2606:4700:50::a29f:266c, 2803:f800:50::6ca2:c26c, 2a06:98c1:50::ac40:226c, 108.162.194.108, 162.159.38.108 and 172.64.34.108.

521hp.com - robtex.com

521hp.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

`521hp.com`

`com`