`521bz.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a44e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:49ad^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.173^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.78^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`fish.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26fc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fish.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fish.ns.cloudflare.com`
		A	108.162.194.252^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	162.159.38.252^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	172.64.34.252^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
NS	`nash.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nash.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nash.ns.cloudflare.com`
		A	108.162.193.209^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	172.64.33.209^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	173.245.59.209^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.173, 172.67.164.78
		IPv6 hints	2606:4700:3031::ac43:a44e, 2606:4700:3033::6815:49ad
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=182, name=cloudflare-ech.com
SOA	`fish.ns.cloudflare.com`dns@cloudflare.com serial=2408220167

`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=1785367612

Same first word

521bz.com

Similar names

bz521.com

DNS History

32 records (6 active, 26 former)

○NSdns.bizcn.com2015-08-09 → 2015-12-14 · 5 obs

○ 2008-11-20 03:36:26
● 2015-08-09 05:54:22
● 2015-12-14 03:51:36
○ 2016-09-21 19:50:46
○ 2026-07-29 23:32:16

○NSdns1.name-services.com2008-11-20 → 2008-11-20 · 3 obs

● 2008-11-20 03:36:26
○ 2015-08-09 05:54:22
○ 2026-07-29 23:32:16

○NSdns2.name-services.com2008-11-20 → 2008-11-20 · 3 obs

● 2008-11-20 03:36:26
○ 2015-08-09 05:54:22
○ 2026-07-29 23:32:16

○NSdns3.name-services.com2008-11-20 → 2008-11-20 · 3 obs

● 2008-11-20 03:36:26
○ 2015-08-09 05:54:22
○ 2026-07-29 23:32:16

○NSdns4.name-services.com2008-11-20 → 2008-11-20 · 3 obs

● 2008-11-20 03:36:26
○ 2015-08-09 05:54:22
○ 2026-07-29 23:32:16

○NSdns5.name-services.com2008-11-20 → 2008-11-20 · 3 obs

● 2008-11-20 03:36:26
○ 2015-08-09 05:54:22
○ 2026-07-29 23:32:16

○NSexpirens3.hichina.com2026-03-10 → 2026-03-14 · 5 obs

○ 2018-10-26 14:23:52
● 2026-03-10 02:39:42
● 2026-03-14 16:36:32
○ 2026-04-01 22:06:32
○ 2026-07-29 23:32:16

○NSexpirens4.hichina.com2026-03-10 → 2026-03-14 · 5 obs

○ 2018-10-26 14:23:52
● 2026-03-10 02:39:42
● 2026-03-14 16:36:32
○ 2026-04-01 22:06:32
○ 2026-07-29 23:32:16

○NSf1g1ns1.dnspod.net2016-09-21 → 2016-09-21 · 4 obs

○ 2015-12-14 03:51:36
● 2016-09-21 19:50:46
○ 2018-10-26 14:23:52
○ 2026-07-29 23:32:16

○NSf1g1ns2.dnspod.net2016-09-21 → 2016-09-21 · 4 obs

○ 2015-12-14 03:51:36
● 2016-09-21 19:50:46
○ 2018-10-26 14:23:52
○ 2026-07-29 23:32:16

●NSfish.ns.cloudflare.com2026-07-03 → 2026-07-29 · 3 obs

○ 2026-04-01 22:06:32
● 2026-07-03 13:42:46
● 2026-07-29 23:32:16

○NSjm1.dns.com2018-10-26 → 2018-10-26 · 4 obs

○ 2016-09-21 19:50:46
● 2018-10-26 14:23:52
○ 2026-03-10 02:39:42
○ 2026-07-29 23:32:16

○NSjm2.dns.com2018-10-26 → 2018-10-26 · 4 obs

○ 2016-09-21 19:50:46
● 2018-10-26 14:23:52
○ 2026-03-10 02:39:42
○ 2026-07-29 23:32:16

●NSnash.ns.cloudflare.com2026-07-03 → 2026-07-29 · 3 obs

○ 2026-04-01 22:06:32
● 2026-07-03 13:42:46
● 2026-07-29 23:32:16

○NSns1.4everdns.com2015-08-09 → 2015-12-14 · 5 obs

○ 2008-11-20 03:36:26
● 2015-08-09 05:54:22
● 2015-12-14 03:51:36
○ 2016-09-21 19:50:46
○ 2026-07-29 23:32:16

○NSns1.domainnamedns.com2026-03-10 → 2026-07-29 · 2 obs

○ 2026-03-10 02:39:42
○ 2026-07-29 23:32:16

○NSns2.4everdns.com2015-08-09 → 2015-12-14 · 5 obs

○ 2008-11-20 03:36:26
● 2015-08-09 05:54:22
● 2015-12-14 03:51:36
○ 2016-09-21 19:50:46
○ 2026-07-29 23:32:16

○NSns2.domainnamedns.com2026-03-10 → 2026-07-29 · 2 obs

○ 2026-03-10 02:39:42
○ 2026-07-29 23:32:16

○NSns3.domainnamedns.com2026-03-10 → 2026-07-29 · 2 obs

○ 2026-03-10 02:39:42
○ 2026-07-29 23:32:16

○NSns4.domainnamedns.com2026-03-10 → 2026-07-29 · 2 obs

○ 2026-03-10 02:39:42
○ 2026-07-29 23:32:16

○NSns7.alidns.com2026-03-10 → 2026-03-14 · 5 obs

○ 2018-10-26 14:23:52
● 2026-03-10 02:39:42
● 2026-03-14 16:36:32
○ 2026-04-01 22:06:32
○ 2026-07-29 23:32:16

○NSns8.alidns.com2026-03-10 → 2026-03-14 · 5 obs

○ 2018-10-26 14:23:52
● 2026-03-10 02:39:42
● 2026-03-14 16:36:32
○ 2026-04-01 22:06:32
○ 2026-07-29 23:32:16

○MXp.nsm.ctmail.com2008-11-20 → 2008-11-20 · 3 obs

● 2008-11-20 03:36:26
○ 2015-08-09 05:54:22
○ 2026-07-29 23:32:16

●A104.21.73.1732026-07-03 → 2026-07-29 · 3 obs

○ 2026-03-10 02:39:42
● 2026-07-03 13:42:46
● 2026-07-29 23:32:16

○A108.177.156.2072018-10-26 → 2018-10-26 · 4 obs

○ 2016-09-21 19:50:46
● 2018-10-26 14:23:52
○ 2026-03-10 02:39:42
○ 2026-07-29 23:32:16

○A116.255.211.632015-08-09 → 2015-12-14 · 5 obs

○ 2008-11-20 03:36:26
● 2015-08-09 05:54:22
● 2015-12-14 03:51:36
○ 2016-09-21 19:50:46
○ 2026-07-29 23:32:16

●A172.67.164.782026-07-03 → 2026-07-29 · 3 obs

○ 2026-03-10 02:39:42
● 2026-07-03 13:42:46
● 2026-07-29 23:32:16

●A2606:4700:3031::ac43:a44e2026-07-03 → 2026-07-29 · 3 obs

○ 2026-03-10 02:39:42
● 2026-07-03 13:42:46
● 2026-07-29 23:32:16

●A2606:4700:3033::6815:49ad2026-07-03 → 2026-07-29 · 3 obs

○ 2026-03-10 02:39:42
● 2026-07-03 13:42:46
● 2026-07-29 23:32:16

○A38.6.98.1662026-03-10 → 2026-07-29 · 2 obs

○ 2026-03-10 02:39:42
○ 2026-07-29 23:32:16

○A69.64.155.1242008-11-20 → 2008-11-20 · 3 obs

● 2008-11-20 03:36:26
○ 2015-08-09 05:54:22
○ 2026-07-29 23:32:16

○CNAMEexpired.hichina.com2026-03-10 → 2026-03-14 · 4 obs

● 2026-03-10 02:39:42
● 2026-03-14 16:36:32
○ 2026-04-01 22:06:32
○ 2026-07-29 23:32:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
521bz.com	nash.ns.cloudflare.com, fish.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.209

NS records: nash.ns.cloudflare.com, fish.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 317ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.73.173, 172.67.164.78`
AAAA	2	`2606:4700:3031::ac43:a44e, 2606:4700:3033::6815:49ad`
NS	2	`fish.ns.cloudflare.com, nash.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`fish.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

521bz.com resolves to four IP addresses: 104.21.73.173, 172.67.164.78, 2606:4700:3031::ac43:a44e and 2606:4700:3033::6815:49ad.

elazigescort.com, der-baer.at, 27(0x736578)toys.com plus two other host names have IP numbers in common with 521bz.com.

Name Servers

521bz.com has two authoritative name servers — fish.ns.cloudflare.com and nash.ns.cloudflare.com.

The name server configuration of 521bz.com is shared with other domains, for instance lucky8casino365fr.com, tj-sunlead.com, yuanzhe.net and two others.

521bz.com partially shares its NS delegation with several other domains, including yourpanel.net, orange.ms, tangun.dk and two others.

The name servers gabe.ns.cloudflare.com, nikon.ns.cloudflare.com, malcolm.ns.cloudflare.com and aspen.ns.cloudflare.com are often found in use alongside these name servers.

Hosts with 6 IP addresses each:

fish.ns.cloudflare.com points to 108.162.194.252, 162.159.38.252, 172.64.34.252 and 3 other IP addresses.

nash.ns.cloudflare.com points to 108.162.193.209, 172.64.33.209, 173.245.59.209 and 3 other IP addresses.

521bz.com - robtex.com

521bz.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`521bz.com`

`com`