hz3721.net - robtex.com

hz3721.net

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2a18🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:c740🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.42.24Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.199.64🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSanderson.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cb1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanderson.ns.cloudflare.com
A2803:f800:50::6ca2:c3b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRanderson.ns.cloudflare.com
A2a06:98c1:50::ac40:23b1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRanderson.ns.cloudflare.com
A108.162.195.177🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanderson.ns.cloudflare.com
A162.159.44.177Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanderson.ns.cloudflare.com
A172.64.35.177🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanderson.ns.cloudflare.com
NSdiva.ns.cloudflare.com
A2606:4700:50::adf5:3a61🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
A2803:f800:50::6ca2:c061🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdiva.ns.cloudflare.com
A2a06:98c1:50::ac40:2061🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdiva.ns.cloudflare.com
A108.162.192.97🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
A172.64.32.97🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
A173.245.58.97🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.42.24, 172.67.199.64
IPv6 hints2606:4700:3031::6815:2a18, 2606:4700:3033::ac43:c740
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOAanderson.ns.cloudflare.comdns@cloudflare.com serial=2403508510

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778677936

Same first word

hz3721.net

Similar names

3721zh.com
zh3721.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSanderson.ns.cloudflare.comdiva.ns.cloudflare.comns1.51dns.comns1.myhostadmin.netns2.51dns.comns2.myhostadmin.netns3.myhostadmin.netns4.myhostadmin.netns5.myhostadmin.netns6.myhostadmin.netA104.21.42.24172.67.199.642606:4700:3031::6815:2a182606:4700:3033::ac43:c74023.104.92.10067.229.19.142
●NSanderson.ns.cloudflare.com2026-04-07 → 2026-05-13 · 3 obs
○ 2020-02-05 10:43:50
● 2026-04-07 01:56:08
● 2026-05-13 13:21:10
●NSdiva.ns.cloudflare.com2026-04-07 → 2026-05-13 · 3 obs
○ 2020-02-05 10:43:50
● 2026-04-07 01:56:08
● 2026-05-13 13:21:10
○NSns1.51dns.com2015-11-14 → 2016-07-05 · 4 obs
● 2015-11-14 10:32:20
● 2016-07-05 00:42:06
○ 2017-02-10 10:43:26
○ 2026-05-13 13:21:10
○NSns1.myhostadmin.net2020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-10 10:43:26
● 2020-02-05 10:43:50
○ 2026-04-07 01:56:08
○ 2026-05-13 13:21:10
○NSns2.51dns.com2015-11-14 → 2016-07-05 · 4 obs
● 2015-11-14 10:32:20
● 2016-07-05 00:42:06
○ 2017-02-10 10:43:26
○ 2026-05-13 13:21:10
○NSns2.myhostadmin.net2020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-10 10:43:26
● 2020-02-05 10:43:50
○ 2026-04-07 01:56:08
○ 2026-05-13 13:21:10
○NSns3.myhostadmin.net2020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-10 10:43:26
● 2020-02-05 10:43:50
○ 2026-04-07 01:56:08
○ 2026-05-13 13:21:10
○NSns4.myhostadmin.net2020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-10 10:43:26
● 2020-02-05 10:43:50
○ 2026-04-07 01:56:08
○ 2026-05-13 13:21:10
○NSns5.myhostadmin.net2020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-10 10:43:26
● 2020-02-05 10:43:50
○ 2026-04-07 01:56:08
○ 2026-05-13 13:21:10
○NSns6.myhostadmin.net2020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-10 10:43:26
● 2020-02-05 10:43:50
○ 2026-04-07 01:56:08
○ 2026-05-13 13:21:10
●A104.21.42.242026-04-07 → 2026-05-13 · 3 obs
○ 2020-02-05 10:43:50
● 2026-04-07 01:56:08
● 2026-05-13 13:21:10
●A172.67.199.642026-04-07 → 2026-05-13 · 3 obs
○ 2020-02-05 10:43:50
● 2026-04-07 01:56:08
● 2026-05-13 13:21:10
○A23.104.92.1002020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-10 10:43:26
● 2020-02-05 10:43:50
○ 2026-04-07 01:56:08
○ 2026-05-13 13:21:10
●A2606:4700:3031::6815:2a182026-04-07 → 2026-05-13 · 3 obs
○ 2020-02-05 10:43:50
● 2026-04-07 01:56:08
● 2026-05-13 13:21:10
●A2606:4700:3033::ac43:c7402026-04-07 → 2026-05-13 · 3 obs
○ 2020-02-05 10:43:50
● 2026-04-07 01:56:08
● 2026-05-13 13:21:10
○A67.229.19.1422015-11-14 → 2016-07-05 · 4 obs
● 2015-11-14 10:32:20
● 2016-07-05 00:42:06
○ 2017-02-10 10:43:26
○ 2026-05-13 13:21:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
hz3721.netdiva.ns.cloudflare.com, anderson.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.177

NS records: diva.ns.cloudflare.com, anderson.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hz3721.net (unsigned zone)

⏱️ Timing

Total: 695ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.42.24, 172.67.199.64
AAAA22606:4700:3033::ac43:c740, 2606:4700:3031::6815:2a18
NS2anderson.ns.cloudflare.com, diva.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1anderson.ns.cloudflare.com dns.cloudflar

Analysis

IP Addresses

hz3721.net resolves to four IPs: 2606:4700:3031::6815:2a18, 2606:4700:3033::ac43:c740, 104.21.42.24 and 172.67.199.64.

Other host names, for instance femexkarate.com, www.achkl.com, unicinco.com.br, agile-office.pt and thelasvegasnews.net share IP numbers with hz3721.net.

Name Servers

hz3721.net has two name servers: anderson.ns.cloudflare.com and diva.ns.cloudflare.com.

hz3721.net shares the same name server setup as other domains, for example dslaser.net, hbids.net, guangnet.net, gxszk.net and yzcad.net.

hz3721.net shares some name servers with other domains, for example irmaoshinke.com.br, fvs-protect.pro, nextbigthingmedia.com, sid500.com and magickmale.de.

These name servers are commonly used with ariadne.ns.cloudflare.com, dean.ns.cloudflare.com, gina.ns.cloudflare.com, jocelyn.ns.cloudflare.com and jessica.ns.cloudflare.com.

Host names with six IP numbers: anderson.ns.cloudflare.com points to: 2606:4700:58::a29f:2cb1, 2803:f800:50::6ca2:c3b1, 2a06:98c1:50::ac40:23b1, 108.162.195.177, 162.159.44.177 and 172.64.35.177; diva.ns.cloudflare.com points to: 2606:4700:50::adf5:3a61, 2803:f800:50::6ca2:c061, 2a06:98c1:50::ac40:2061, 108.162.192.97, 172.64.32.97 and 173.245.58.97.