51900.cfd - robtex.com

51900.cfd

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:acc2🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1e6b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.30.107Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.172.194🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSodin.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cd0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A2803:f800:50::6ca2:c3d0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRodin.ns.cloudflare.com
A2a06:98c1:50::ac40:23d0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRodin.ns.cloudflare.com
A108.162.195.208🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A162.159.44.208Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A172.64.35.208🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
NSpam.ns.cloudflare.com
A2606:4700:50::adf5:3a8a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A2803:f800:50::6ca2:c08a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpam.ns.cloudflare.com
A2a06:98c1:50::ac40:208a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpam.ns.cloudflare.com
A108.162.192.138🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A172.64.32.138🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A173.245.58.138🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.30.107, 172.67.172.194
IPv6 hints2606:4700:3033::ac43:acc2, 2606:4700:3034::6815:1e6b
SOAodin.ns.cloudflare.comdns@cloudflare.com serial=2406856663

cfd

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.nic.cfd
NSb.nic.cfd
NSc.nic.cfd
NSd.nic.cfd
SOAns0.centralnic.nethostmaster@centralnic.net serial=1785085151
⚠️ On DNS blocklist: tif

Same first word

51900.cfd

Similar names

50109.us
00591.com
05109.com
50190.org
10905.com
19500.us
59010.my
50019.us
09150.us
10590.pro
01590.com
00915.vip
01905.vip
59010.com
59100.com
09510.cn
90501.com
10905.us
00159.us
00915.com
91005.com
01509.com
59001.com
90051.cn
90015.cn
90015.com
00951.us
00915.net
50910.jp
50019.cn
50019.com
05190.com
10950.com
15900.com
90015.us
50190.cn
01095.vip
51090.cn
90051.com
90150.us
09015.cn
19005.us
00195.us
90105.com
01905.us
95001.com
90150.com
50910.us
15090.cn
01059.net
19500.com
91005.cn
10059.us
05910.us
05091.com
95100.de
90015.cc
01059.cn
19050.de
00519.us
01059.cc
09150.com
05109.us
50190.eu
90501.xyz
91005.us
09051.com
51009.com
09105.com
50091.com
00591.us
19005.com
10590.com
90015.tv
95001.net
90510.us
51009.app
10509.com
10095.cc
09501.com
10590.us
95100.us
10059.net
51009.cn
00195.vip
09051.us
01590.us
09501.us
95100.it
59001.us
01059.us
90105.cn
09105.us
10059.com
10509.us
05901.net
50910.de
95100.net

DNS History

10 records (6 active, 4 former)

NSodin.ns.cloudflare.compam.ns.cloudflare.comA104.21.30.107172.67.172.1942606:4700:3033::ac43:acc22606:4700:3034::6815:1e6b188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSodin.ns.cloudflare.com2026-07-24 → 2026-07-26 · 2 obs
● 2026-07-24 16:34:44
● 2026-07-26 17:06:00
●NSpam.ns.cloudflare.com2026-07-24 → 2026-07-26 · 2 obs
● 2026-07-24 16:34:44
● 2026-07-26 17:06:00
●A104.21.30.1072026-07-25 → 2026-07-26 · 3 obs
○ 2026-07-24 16:34:44
● 2026-07-25 04:55:04
● 2026-07-26 17:06:00
●A172.67.172.1942026-07-25 → 2026-07-26 · 3 obs
○ 2026-07-24 16:34:44
● 2026-07-25 04:55:04
● 2026-07-26 17:06:00
○A188.114.96.02026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 16:34:44
○ 2026-07-25 04:55:04
○ 2026-07-26 17:06:00
○A188.114.97.02026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 16:34:44
○ 2026-07-25 04:55:04
○ 2026-07-26 17:06:00
●A2606:4700:3033::ac43:acc22026-07-25 → 2026-07-26 · 3 obs
○ 2026-07-24 16:34:44
● 2026-07-25 04:55:04
● 2026-07-26 17:06:00
●A2606:4700:3034::6815:1e6b2026-07-25 → 2026-07-26 · 3 obs
○ 2026-07-24 16:34:44
● 2026-07-25 04:55:04
● 2026-07-26 17:06:00
○A2a06:98c1:3120::2026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 16:34:44
○ 2026-07-25 04:55:04
○ 2026-07-26 17:06:00
○A2a06:98c1:3121::2026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 16:34:44
○ 2026-07-25 04:55:04
○ 2026-07-26 17:06:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cfda.nic.cfd, b.nic.cfd, c.nic.cfd, d.nic.cfd8 records
51900.cfdpam.ns.cloudflare.com, odin.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.138

NS records: pam.ns.cloudflare.com, odin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51900.cfd (unsigned zone)

⏱️ Timing

Total: 346ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.30.107, 172.67.172.194
AAAA22606:4700:3033::ac43:acc2, 2606:4700:3034::6815:1e6b
NS2odin.ns.cloudflare.com, pam.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1odin.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (d.nic.cfd, c.nic.cfd, b.nic.cfd...)

Analysis

IP Addresses

51900.cfd resolves to four IP addresses: 104.21.30.107, 172.67.172.194, 2606:4700:3033::ac43:acc2 and 2606:4700:3034::6815:1e6b.

Additional host names — goldencrown-aus.com, www.theresident.org, autopatcher.net and two others — share IP numbers with 51900.cfd.

Name Servers

51900.cfd uses two name servers for its delegation: odin.ns.cloudflare.com and pam.ns.cloudflare.com.

51900.cfd shares its name server setup with other domains, including 14550.cfd, geekositymag.com, kelly-net.jp and two others.

51900.cfd shares at least some of its name servers with other domains, including smartguide.app, cnhysoft.com, ifoundshalom.com and two others.

These name servers are frequently seen alongside the name servers eva.ns.cloudflare.com, eric.ns.cloudflare.com, vasilii.ns.cloudflare.com and destiny.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname odin.ns.cloudflare.com directs to 108.162.195.208, 162.159.44.208 and 172.64.35.208 along with 3 other IP addresses.

Hostname pam.ns.cloudflare.com directs to 108.162.192.138, 172.64.32.138 and 173.245.58.138 along with 3 other IP addresses.