`fbfn.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:ba7a^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:138d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.141^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.122^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`houston.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c34^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c334^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`houston.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2334^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`houston.ns.cloudflare.com`
		A	108.162.195.52^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	162.159.44.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	172.64.35.52^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
NS	`violet.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aed^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ed^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`violet.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ed^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`violet.ns.cloudflare.com`
		A	108.162.192.237^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
		A	172.64.32.237^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
		A	173.245.58.237^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.141, 172.67.186.122
		IPv6 hints	2606:4700:3031::ac43:ba7a, 2606:4700:3037::6815:138d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOA	`houston.ns.cloudflare.com`dns@cloudflare.com serial=2409505009

`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 serial=2035180448

Previously NS for

fbfn.cn

Same first word

fbfn.org

fbfn.cn

Similar names

nfbf.com

fbnf.com

ffnb.de

nbff.ru

fnfb.com

bfnf.com.cn

fnbf.com

bfnf.com

ffbn.com

ffbn.pro

bffn.org

ffnb.top

bnff.com

ffbn.be

nffb.no

nffb.com

ffnb.com

nbff.xyz

nbff.org

bfnf.ch

bffn.com

fbnf.edu.br

ffbn.de

bffn.de

DNS History

21 records (6 active, 15 former)

○NSdns1.hichina.com2026-02-24 → 2026-08-14 · 2 obs

○ 2026-02-24 18:23:28
○ 2026-08-14 16:36:14

○NSdns1.iidns.com2017-08-27 → 2017-10-14 · 5 obs

○ 2015-08-03 06:26:58
● 2017-08-27 22:03:20
● 2017-10-14 23:07:38
○ 2026-02-24 18:23:28
○ 2026-08-14 16:36:14

○NSdns2.hichina.com2026-02-24 → 2026-08-14 · 2 obs

○ 2026-02-24 18:23:28
○ 2026-08-14 16:36:14

○NSexpirens3.hichina.com2026-02-24 → 2026-08-14 · 2 obs

○ 2026-02-24 18:23:28
○ 2026-08-14 16:36:14

○NSexpirens4.hichina.com2026-02-24 → 2026-08-14 · 2 obs

○ 2026-02-24 18:23:28
○ 2026-08-14 16:36:14

○NSfbfn.cn2015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 06:26:58
○ 2017-08-27 22:03:20
○ 2026-08-14 16:36:14

●NShouston.ns.cloudflare.com2026-08-14 → 2026-08-14 · 2 obs

○ 2026-07-04 19:39:30
● 2026-08-14 16:36:14

○NSns1.nowcndns.com2026-07-04 → 2026-07-04 · 3 obs

○ 2026-02-24 18:23:28
● 2026-07-04 19:39:30
○ 2026-08-14 16:36:14

○NSns2.nowcndns.com2026-07-04 → 2026-07-04 · 3 obs

○ 2026-02-24 18:23:28
● 2026-07-04 19:39:30
○ 2026-08-14 16:36:14

●NSviolet.ns.cloudflare.com2026-08-14 → 2026-08-14 · 2 obs

○ 2026-07-04 19:39:30
● 2026-08-14 16:36:14

●A104.21.19.1412026-08-14 → 2026-08-14 · 2 obs

○ 2026-07-04 19:39:30
● 2026-08-14 16:36:14

●A172.67.186.1222026-08-14 → 2026-08-14 · 2 obs

○ 2026-07-04 19:39:30
● 2026-08-14 16:36:14

○A177.211.74.1162026-07-04 → 2026-07-04 · 3 obs

○ 2017-08-27 22:03:20
● 2026-07-04 19:39:30
○ 2026-08-14 16:36:14

○A23.234.4.1512017-03-30 → 2017-03-30 · 4 obs

○ 2015-08-03 06:26:58
● 2017-03-30 13:41:20
○ 2017-08-27 22:03:20
○ 2026-08-14 16:36:14

○A23.234.4.1532017-03-30 → 2017-03-30 · 4 obs

○ 2015-08-03 06:26:58
● 2017-03-30 13:41:20
○ 2017-08-27 22:03:20
○ 2026-08-14 16:36:14

●A2606:4700:3031::ac43:ba7a2026-08-14 → 2026-08-14 · 2 obs

○ 2026-07-04 19:39:30
● 2026-08-14 16:36:14

●A2606:4700:3037::6815:138d2026-08-14 → 2026-08-14 · 2 obs

○ 2026-07-04 19:39:30
● 2026-08-14 16:36:14

○A98.126.171.2132015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 06:26:58
○ 2017-03-30 13:41:20
○ 2026-08-14 16:36:14

○CNAMEcs.ename.net2017-08-06 → 2017-10-14 · 5 obs

○ 2017-07-20 05:42:24
● 2017-08-06 14:01:44
● 2017-10-14 23:07:38
○ 2026-02-24 18:23:28
○ 2026-08-14 16:36:14

○CNAMEexpired.hichina.com2026-02-24 → 2026-08-14 · 2 obs

○ 2026-02-24 18:23:28
○ 2026-08-14 16:36:14

○CNAMEfw.ename.net2017-03-30 → 2017-07-20 · 4 obs

● 2017-03-30 13:41:20
● 2017-07-20 05:42:24
○ 2017-08-06 14:01:44
○ 2026-08-14 16:36:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
fbfn.cn	violet.ns.cloudflare.com, houston.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.237

NS records: violet.ns.cloudflare.com, houston.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fbfn.cn (unsigned zone)

⏱️ Timing

Total: 759ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.186.122, 104.21.19.141`
AAAA	2	`2606:4700:3037::6815:138d, 2606:4700:3031::ac43:ba7a`
NS	2	`houston.ns.cloudflare.com, violet.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`houston.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

fbfn.cn points to the four IP addresses 104.21.19.141, 172.67.186.122, 2606:4700:3031::ac43:ba7a and 2606:4700:3037::6815:138d.

telemedfusion.com, china-bridqe.com, decoraciona.com and two other host names share IP numbers with fbfn.cn.

Name Servers

fbfn.cn is delegated to two name servers: houston.ns.cloudflare.com and violet.ns.cloudflare.com.

fbfn.cn uses the same name servers as several other domains — among them gduu.cn, 024ad.net, tozx.cn and two more.

The name servers of fbfn.cn overlap at least partially with those of other domains — among them electrofacil.com.py, upline.online, travcar.net and two more.

These name servers commonly appear alongside the name servers reese.ns.cloudflare.com and dorthy.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

houston.ns.cloudflare.com resolves to 108.162.195.52, 162.159.44.52, 172.64.35.52 and 3 other IP addresses.

violet.ns.cloudflare.com resolves to 108.162.192.237, 172.64.32.237, 173.245.58.237 and 3 other IP addresses.

fbfn.cn - robtex.com

fbfn.cn

cn

Previously NS for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`fbfn.cn`

`cn`