`ftbo.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:dd5e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:4369^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.105^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.94^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`albert.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`albert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`albert.ns.cloudflare.com`
		A	108.162.193.58^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	172.64.33.58^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	173.245.59.58^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
NS	`marissa.ns.cloudflare.com`
		A	2606:4700:50::a29f:2672^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c272^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2272^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marissa.ns.cloudflare.com`
		A	108.162.194.114^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marissa.ns.cloudflare.com`
		A	162.159.38.114^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marissa.ns.cloudflare.com`
		A	172.64.34.114^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marissa.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.105, 172.67.221.94
		IPv6 hints	2606:4700:3033::ac43:dd5e, 2606:4700:3034::6815:4369
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=145, name=cloudflare-ech.com
SOA	`albert.ns.cloudflare.com`dns@cloudflare.com serial=2407390566

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn 2035-11-17 #46

Same first word

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ftbo.com

ftbo.se

Similar names

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btfo.org

DNS History

20 records (6 active, 14 former)

●NSalbert.ns.cloudflare.com2026-06-24 → 2026-07-30 · 3 obs

○ 2017-06-04 15:38:02
● 2026-06-24 15:53:16
● 2026-07-30 15:33:00

○NSdns1.iidns.com2015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

○NSdns10.hichina.com2017-06-04 → 2017-06-04 · 4 obs

○ 2015-12-03 23:49:20
● 2017-06-04 15:38:02
○ 2026-06-24 15:53:16
○ 2026-07-30 15:33:00

○NSdns2.iidns.com2015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

○NSdns3.iidns.com2015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

○NSdns4.iidns.com2015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

○NSdns5.iidns.com2015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

○NSdns6.iidns.com2015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

○NSdns9.hichina.com2017-06-04 → 2017-06-04 · 4 obs

○ 2015-12-03 23:49:20
● 2017-06-04 15:38:02
○ 2026-06-24 15:53:16
○ 2026-07-30 15:33:00

●NSmarissa.ns.cloudflare.com2026-06-24 → 2026-07-30 · 3 obs

○ 2017-06-04 15:38:02
● 2026-06-24 15:53:16
● 2026-07-30 15:33:00

●A104.21.67.1052026-06-24 → 2026-07-30 · 3 obs

○ 2026-06-24 15:53:16
● 2026-06-24 23:36:38
● 2026-07-30 15:33:00

○A107.167.19.682015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

○A107.167.19.692015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

○A107.167.19.702015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

○A107.167.19.712015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

●A172.67.221.942026-06-24 → 2026-07-30 · 3 obs

○ 2026-06-24 15:53:16
● 2026-06-24 23:36:38
● 2026-07-30 15:33:00

●A2606:4700:3033::ac43:dd5e2026-06-24 → 2026-07-30 · 3 obs

○ 2026-06-24 15:53:16
● 2026-06-24 23:36:38
● 2026-07-30 15:33:00

●A2606:4700:3034::6815:43692026-06-24 → 2026-07-30 · 3 obs

○ 2026-06-24 15:53:16
● 2026-06-24 23:36:38
● 2026-07-30 15:33:00

○A47.89.58.322017-06-04 → 2017-06-04 · 4 obs

○ 2015-12-03 23:49:20
● 2017-06-04 15:38:02
○ 2026-06-24 15:53:16
○ 2026-07-30 15:33:00

○CNAMEcs.ename.net2015-12-03 → 2015-12-03 · 3 obs

● 2015-12-03 23:49:20
○ 2017-06-04 15:38:02
○ 2026-07-30 15:33:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, d.dns.cn, a.dns.cn, b.dns.cn...	-
ftbo.cn	albert.ns.cloudflare.com, marissa.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.58

NS records: albert.ns.cloudflare.com, marissa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ftbo.cn (unsigned zone)

⏱️ Timing

Total: 648ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.67.105, 172.67.221.94`
AAAA	2	`2606:4700:3033::ac43:dd5e, 2606:4700:3034::6815:4369`
NS	2	`albert.ns.cloudflare.com, marissa.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`albert.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

ftbo.cn has four IP addresses: 104.21.67.105, 172.67.221.94, 2606:4700:3033::ac43:dd5e and 2606:4700:3034::6815:4369.

crushread17.blog, kircherfamilydentistry.com, link27.rajajago.app plus two other host names have IP numbers in common with ftbo.cn.

Name Servers

ftbo.cn is delegated to two name servers: albert.ns.cloudflare.com and marissa.ns.cloudflare.com.

The name server configuration of ftbo.cn is shared with other domains, for instance fyja.cn, sy-lz.cn, yqlb.net.cn and two others.

ftbo.cn shares at least some of its name servers with other domains, including aldersgateccrc.net, vistaonline.us, proconnco.com and two others.

These name servers are frequently seen alongside the name servers pranab.ns.cloudflare.com.

Hosts with 6 IP addresses each:

albert.ns.cloudflare.com resolves to 108.162.193.58, 172.64.33.58, 173.245.59.58 and 3 other IP addresses.

marissa.ns.cloudflare.com resolves to 108.162.194.114, 162.159.38.114, 172.64.34.114 and 3 other IP addresses.

ftbo.cn - robtex.com

ftbo.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`ftbo.cn`

`cn`