3621uu.com - robtex.com

3621uu.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:133🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:808b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.1.51Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.128.139🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrad.ns.cloudflare.com
A2606:4700:58::adf5:3b69🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
A2803:f800:50::6ca2:c169🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrad.ns.cloudflare.com
A2a06:98c1:50::ac40:2169🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrad.ns.cloudflare.com
A108.162.193.105🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
A172.64.33.105🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
A173.245.59.105🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
NSserenity.ns.cloudflare.com
A2606:4700:50::a29f:266c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRserenity.ns.cloudflare.com
A2803:f800:50::6ca2:c26c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRserenity.ns.cloudflare.com
A2a06:98c1:50::ac40:226c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRserenity.ns.cloudflare.com
A108.162.194.108🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRserenity.ns.cloudflare.com
A162.159.38.108Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRserenity.ns.cloudflare.com
A172.64.34.108🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRserenity.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.1.51, 172.67.128.139
IPv6 hints2606:4700:3030::6815:133, 2606:4700:3030::ac43:808b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=240, name=cloudflare-ech.com
SOAbrad.ns.cloudflare.comdns@cloudflare.com serial=2411184880

com

Same first word

Similar names

DNS History

11 records (6 active, 5 former)

NSbrad.ns.cloudflare.comserenity.ns.cloudflare.comA104.21.1.51172.67.128.1392606:4700:3030::6815:1332606:4700:3030::ac43:808b188.114.96.0188.114.97.02606:4700:3036::6815:1332a06:98c1:3120::2a06:98c1:3121::
NSbrad.ns.cloudflare.com2026-03-24 → 2026-08-04 · 2 obs
● 2026-03-24 01:25:54
● 2026-08-04 17:09:12
NSserenity.ns.cloudflare.com2026-03-24 → 2026-08-04 · 2 obs
● 2026-03-24 01:25:54
● 2026-08-04 17:09:12
A104.21.1.512026-03-24 → 2026-08-04 · 5 obs
● 2026-03-24 01:25:54
● 2026-06-09 17:10:58
○ 2026-06-29 23:07:48
● 2026-07-17 12:07:04
● 2026-08-04 17:09:12
A172.67.128.1392026-03-24 → 2026-08-04 · 5 obs
● 2026-03-24 01:25:54
● 2026-06-09 17:10:58
○ 2026-06-29 23:07:48
● 2026-07-17 12:07:04
● 2026-08-04 17:09:12
A188.114.96.02026-06-29 → 2026-06-29 · 4 obs
○ 2026-06-09 17:10:58
● 2026-06-29 23:07:48
○ 2026-07-17 12:07:04
○ 2026-08-04 17:09:12
A188.114.97.02026-06-29 → 2026-06-29 · 4 obs
○ 2026-06-09 17:10:58
● 2026-06-29 23:07:48
○ 2026-07-17 12:07:04
○ 2026-08-04 17:09:12
A2606:4700:3030::6815:1332026-07-17 → 2026-08-04 · 3 obs
○ 2026-06-29 23:07:48
● 2026-07-17 12:07:04
● 2026-08-04 17:09:12
A2606:4700:3030::ac43:808b2026-03-24 → 2026-08-04 · 5 obs
● 2026-03-24 01:25:54
● 2026-06-09 17:10:58
○ 2026-06-29 23:07:48
● 2026-07-17 12:07:04
● 2026-08-04 17:09:12
A2606:4700:3036::6815:1332026-03-24 → 2026-06-09 · 4 obs
● 2026-03-24 01:25:54
● 2026-06-09 17:10:58
○ 2026-06-29 23:07:48
○ 2026-08-04 17:09:12
A2a06:98c1:3120::2026-06-29 → 2026-06-29 · 4 obs
○ 2026-06-09 17:10:58
● 2026-06-29 23:07:48
○ 2026-07-17 12:07:04
○ 2026-08-04 17:09:12
A2a06:98c1:3121::2026-06-29 → 2026-06-29 · 4 obs
○ 2026-06-09 17:10:58
● 2026-06-29 23:07:48
○ 2026-07-17 12:07:04
○ 2026-08-04 17:09:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
3621uu.combrad.ns.cloudflare.com, serenity.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.105

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3621uu.com (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.1.51, 172.67.128.139
AAAA22606:4700:3030::6815:133, 2606:4700:3030::ac43:808b
NS2brad.ns.cloudflare.com, serenity.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brad.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

3621uu.com resolves to four IP addresses: 104.21.1.51, 172.67.128.139, 2606:4700:3030::6815:133 and 2606:4700:3030::ac43:808b.

Additional host names — rbnet-eunnet-ttc.eunnet.net, comicus.forumfree.it, *.anime-land.forumfree.it and two others — share IP numbers with 3621uu.com.

Name Servers

Two name servers handle the delegation for 3621uu.com: brad.ns.cloudflare.com and serenity.ns.cloudflare.com.

3621uu.com shares its name server setup with other domains, including 138577.cc, 9998dc.com, 1ambet.top and two others.

3621uu.com has at least partial name server overlap with other domains, such as nonriservato.net, betandreas-now.com, englishjobs.pt and two others.

It is common to see these name servers used together with name servers emma.ns.cloudflare.com and frank.ns.cloudflare.com.

Host names with 6 IP numbers:

brad.ns.cloudflare.com resolves to 108.162.193.105, 172.64.33.105 and 173.245.59.105 among others, with 3 other IP addresses in total.

serenity.ns.cloudflare.com resolves to 108.162.194.108, 162.159.38.108 and 172.64.34.108 among others, with 3 other IP addresses in total.