`51ffsfa.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:30d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:8205^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.13^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.5^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`art.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c166^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`art.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2166^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`art.ns.cloudflare.com`
		A	108.162.193.102^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	172.64.33.102^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	173.245.59.102^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
NS	`jo.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aac^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ac^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ac^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jo.ns.cloudflare.com`
		A	108.162.192.172^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	172.64.32.172^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	173.245.58.172^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.13, 172.67.130.5
		IPv6 hints	2606:4700:3031::6815:30d, 2606:4700:3033::ac43:8205
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com
SOA	`art.ns.cloudflare.com`dns@cloudflare.com serial=2402949717

`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=1778539031

Same first word

51ffsfa.com

DNS History

14 records (6 active, 8 former)

●NSart.ns.cloudflare.com2026-05-04 → 2026-05-11 · 3 obs

○ 2020-03-09 22:16:22
● 2026-05-04 19:49:40
● 2026-05-11 22:56:20

○NSdns1.registrar-servers.com2020-03-09 → 2020-03-09 · 3 obs

● 2020-03-09 22:16:22
○ 2026-05-04 19:49:40
○ 2026-05-11 22:56:20

○NSdns2.registrar-servers.com2020-03-09 → 2020-03-09 · 3 obs

● 2020-03-09 22:16:22
○ 2026-05-04 19:49:40
○ 2026-05-11 22:56:20

●NSjo.ns.cloudflare.com2026-05-04 → 2026-05-11 · 3 obs

○ 2020-03-09 22:16:22
● 2026-05-04 19:49:40
● 2026-05-11 22:56:20

○MXeforward1.registrar-servers.com2020-03-09 → 2020-03-09 · 3 obs

● 2020-03-09 22:16:22
○ 2026-05-04 19:49:40
○ 2026-05-11 22:56:20

○MXeforward2.registrar-servers.com2020-03-09 → 2020-03-09 · 3 obs

● 2020-03-09 22:16:22
○ 2026-05-04 19:49:40
○ 2026-05-11 22:56:20

○MXeforward3.registrar-servers.com2020-03-09 → 2020-03-09 · 3 obs

● 2020-03-09 22:16:22
○ 2026-05-04 19:49:40
○ 2026-05-11 22:56:20

○MXeforward4.registrar-servers.com2020-03-09 → 2020-03-09 · 3 obs

● 2020-03-09 22:16:22
○ 2026-05-04 19:49:40
○ 2026-05-11 22:56:20

○MXeforward5.registrar-servers.com2020-03-09 → 2020-03-09 · 3 obs

● 2020-03-09 22:16:22
○ 2026-05-04 19:49:40
○ 2026-05-11 22:56:20

●A104.21.3.132026-05-04 → 2026-05-11 · 3 obs

○ 2020-03-09 22:16:22
● 2026-05-04 19:49:40
● 2026-05-11 22:56:20

●A172.67.130.52026-05-04 → 2026-05-11 · 3 obs

○ 2020-03-09 22:16:22
● 2026-05-04 19:49:40
● 2026-05-11 22:56:20

○A192.64.119.1662020-03-09 → 2020-03-09 · 3 obs

● 2020-03-09 22:16:22
○ 2026-05-04 19:49:40
○ 2026-05-11 22:56:20

●A2606:4700:3031::6815:30d2026-05-04 → 2026-05-11 · 3 obs

○ 2020-03-09 22:16:22
● 2026-05-04 19:49:40
● 2026-05-11 22:56:20

●A2606:4700:3033::ac43:82052026-05-04 → 2026-05-11 · 3 obs

○ 2020-03-09 22:16:22
● 2026-05-04 19:49:40
● 2026-05-11 22:56:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...	-
51ffsfa.com	art.ns.cloudflare.com, jo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.102

NS records: art.ns.cloudflare.com, jo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51ffsfa.com (unsigned zone)

⏱️ Timing

Total: 1325ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.130.5, 104.21.3.13`
AAAA	2	`2606:4700:3033::ac43:8205, 2606:4700:3031::6815:30d`
NS	2	`art.ns.cloudflare.com, jo.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`art.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51ffsfa.com refers to four IP numbers: 2606:4700:3031::6815:30d, 2606:4700:3033::ac43:8205, 104.21.3.13 and 172.67.130.5.

Other host names, for instance 5tenwest.com, mail.andrewscoin.com, pafibandungpusat.org, b-cat.tw and andrewscoin.com share IP numbers with 51ffsfa.com.

Name Servers

51ffsfa.com's delegation uses two name servers: art.ns.cloudflare.com and jo.ns.cloudflare.com.

51ffsfa.com uses the same name server setup as other domains, such as payal.ru, market-moscow.ru, ald1c.com, xianfengcishan.com and mujiang.info.

51ffsfa.com at least partially shares name servers with other domains, including minitop.com.ua, crimeradar.co.uk, rt-planiciedourada.pt, warmthankyou.com and hafizrahim.com.

These name servers are often used with nick.ns.cloudflare.com and elliot.ns.cloudflare.com.

Host names with six IP numbers:

art.ns.cloudflare.com points to 2606:4700:58::adf5:3b66, 2803:f800:50::6ca2:c166, 2a06:98c1:50::ac40:2166, 108.162.193.102, 172.64.33.102 and 173.245.59.102.

jo.ns.cloudflare.com points to 2606:4700:50::adf5:3aac, 2803:f800:50::6ca2:c0ac, 2a06:98c1:50::ac40:20ac, 108.162.192.172, 172.64.32.172 and 173.245.58.172.

51ffsfa.com - robtex.com

51ffsfa.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

`51ffsfa.com`

`com`