bfstudy.net - dns.ninja

`bfstudy.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:d2d4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1775^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.117^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.212^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chris.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c155^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2155^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chris.ns.cloudflare.com`
		A	108.162.193.85^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	172.64.33.85^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	173.245.59.85^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
NS	`kristina.ns.cloudflare.com`
		A	2606:4700:50::a29f:267d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c27d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kristina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:227d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kristina.ns.cloudflare.com`
		A	108.162.194.125^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristina.ns.cloudflare.com`
		A	162.159.38.125^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristina.ns.cloudflare.com`
		A	172.64.34.125^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristina.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.117, 172.67.210.212
		IPv6 hints	2606:4700:3034::ac43:d2d4, 2606:4700:3036::6815:1775
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=207, name=cloudflare-ech.com
SOA	`chris.ns.cloudflare.com`dns@cloudflare.com serial=2406704281

`net`

	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=1783207706

Subdomains

www.bfstudy.net

Same first word

bfstudy.com

bfstudy.net

Similar names

dfbusty.com

fbstudy.com

DNS History

12 records (6 active, 6 former)

●NSchris.ns.cloudflare.com2026-04-08 → 2026-07-04 · 3 obs

○ 2026-03-11 18:07:52
● 2026-04-08 22:52:30
● 2026-07-04 23:36:34

○NSjasmine.ns.cloudflare.com2026-03-11 → 2026-03-11 · 4 obs

○ 2018-05-18 19:03:08
● 2026-03-11 18:07:52
○ 2026-04-08 22:52:30
○ 2026-07-04 23:36:34

●NSkristina.ns.cloudflare.com2026-04-08 → 2026-07-04 · 3 obs

○ 2026-03-11 18:07:52
● 2026-04-08 22:52:30
● 2026-07-04 23:36:34

○NSmiles.ns.cloudflare.com2026-03-11 → 2026-03-11 · 4 obs

○ 2018-05-18 19:03:08
● 2026-03-11 18:07:52
○ 2026-04-08 22:52:30
○ 2026-07-04 23:36:34

○NSns11.dnstool.net2017-01-04 → 2018-05-18 · 4 obs

● 2017-01-04 11:08:24
● 2018-05-18 19:03:08
○ 2026-03-11 18:07:52
○ 2026-07-04 23:36:34

●A104.21.23.1172026-04-08 → 2026-07-04 · 3 obs

○ 2026-03-11 18:07:52
● 2026-04-08 22:52:30
● 2026-07-04 23:36:34

○A115.23.235.1412018-05-18 → 2026-03-11 · 4 obs

● 2018-05-18 19:03:08
● 2026-03-11 18:07:52
○ 2026-04-08 22:52:30
○ 2026-07-04 23:36:34

●A172.67.210.2122026-04-08 → 2026-07-04 · 3 obs

○ 2026-03-11 18:07:52
● 2026-04-08 22:52:30
● 2026-07-04 23:36:34

○A2606:4700:3033::6815:17752026-04-08 → 2026-05-31 · 5 obs

○ 2026-03-11 18:07:52
● 2026-04-08 22:52:30
● 2026-05-31 10:22:38
○ 2026-06-26 09:53:24
○ 2026-07-04 23:36:34

○A2606:4700:3033::ac43:d2d42026-04-08 → 2026-05-31 · 5 obs

○ 2026-03-11 18:07:52
● 2026-04-08 22:52:30
● 2026-05-31 10:22:38
○ 2026-06-26 09:53:24
○ 2026-07-04 23:36:34

●A2606:4700:3034::ac43:d2d42026-06-26 → 2026-07-04 · 3 obs

○ 2026-05-31 10:22:38
● 2026-06-26 09:53:24
● 2026-07-04 23:36:34

●A2606:4700:3036::6815:17752026-06-26 → 2026-07-04 · 3 obs

○ 2026-05-31 10:22:38
● 2026-06-26 09:53:24
● 2026-07-04 23:36:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bfstudy.net	chris.ns.cloudflare.com, kristina.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.85

NS records: chris.ns.cloudflare.com, kristina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bfstudy.net (unsigned zone)

⏱️ Timing

Total: 435ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.210.212, 104.21.23.117`
AAAA	2	`2606:4700:3036::6815:1775, 2606:4700:3034::ac43:d2d4`
NS	2	`chris.ns.cloudflare.com, kristina.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chris.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

www.bfstudy.net is a subdomain of bfstudy.net.

IP Addresses

bfstudy.net points to the four IP addresses 104.21.23.117, 172.67.210.212, 2606:4700:3034::ac43:d2d4 and 2606:4700:3036::6815:1775.

Additional host names — www.artfisher.com, betgoogirisi.com, www.kd6aaa.com and two others — share IP numbers with bfstudy.net.

Name Servers

Two name servers handle the delegation for bfstudy.net: chris.ns.cloudflare.com and kristina.ns.cloudflare.com.

bfstudy.net shares its name server setup with other domains, including cuevana3.fo, 10yenharwichport.com, saungsantoso.com and two others.

The name servers of bfstudy.net overlap at least partially with those of other domains — among them ideastoria.com, 4112277.com, franlandesman.com and two more.

These name servers commonly appear alongside the name servers elias.ns.cloudflare.com and oswald.ns.cloudflare.com.

Host names with 6 IP numbers:

chris.ns.cloudflare.com resolves to 108.162.193.85, 172.64.33.85 and 173.245.59.85 among others, with 3 other IP addresses in total.

kristina.ns.cloudflare.com resolves to 108.162.194.125, 162.159.38.125 and 172.64.34.125 among others, with 3 other IP addresses in total.