`bftzsb.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:1831^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d8d5^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.24.49^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.213^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arushi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:263d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c23d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arushi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:223d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arushi.ns.cloudflare.com`
		A	108.162.194.61^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
		A	162.159.38.61^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
		A	172.64.34.61^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arushi.ns.cloudflare.com`
NS	`leo.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cf1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leo.ns.cloudflare.com`
		A	108.162.195.241^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leo.ns.cloudflare.com`
		A	162.159.44.241^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leo.ns.cloudflare.com`
		A	172.64.35.241^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leo.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.24.49, 172.67.216.213
		IPv6 hints	2606:4700:3036::6815:1831, 2606:4700:3037::ac43:d8d5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOA	`arushi.ns.cloudflare.com`dns@cloudflare.com serial=2400818134

`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=2034780395

Same first word

bftzsb.cn

Similar names

tszfbb.com

ftzbbs.com

DNS History

12 records (6 active, 6 former)

●NSarushi.ns.cloudflare.com2026-02-20 → 2026-05-12 · 3 obs

○ 2019-03-31 07:37:48
● 2026-02-20 05:34:12
● 2026-05-12 00:07:18

○NSf1g1ns1.dnspod.net2019-03-31 → 2019-03-31 · 4 obs

○ 2017-03-13 17:40:12
● 2019-03-31 07:37:48
○ 2026-02-20 05:34:12
○ 2026-05-12 00:07:18

●NSleo.ns.cloudflare.com2026-02-20 → 2026-05-12 · 3 obs

○ 2019-03-31 07:37:48
● 2026-02-20 05:34:12
● 2026-05-12 00:07:18

○NSns1.ce.net.cn2015-06-22 → 2017-03-13 · 4 obs

● 2015-06-22 04:15:34
● 2017-03-13 17:40:12
○ 2019-03-31 07:37:48
○ 2026-05-12 00:07:18

○MXmail.bftzsb.cn2015-06-22 → 2017-03-13 · 4 obs

● 2015-06-22 04:15:34
● 2017-03-13 17:40:12
○ 2019-03-31 07:37:48
○ 2026-05-12 00:07:18

●A104.21.24.492026-03-28 → 2026-05-12 · 3 obs

○ 2026-02-26 08:19:08
● 2026-03-28 12:22:48
● 2026-05-12 00:07:18

○A172.64.80.12026-02-20 → 2026-02-26 · 5 obs

○ 2017-03-13 17:40:12
● 2026-02-20 05:34:12
● 2026-02-26 08:19:08
○ 2026-03-28 12:22:48
○ 2026-05-12 00:07:18

●A172.67.216.2132026-03-28 → 2026-05-12 · 3 obs

○ 2026-02-26 08:19:08
● 2026-03-28 12:22:48
● 2026-05-12 00:07:18

○A183.60.188.2412015-06-22 → 2017-03-13 · 4 obs

● 2015-06-22 04:15:34
● 2017-03-13 17:40:12
○ 2026-02-20 05:34:12
○ 2026-05-12 00:07:18

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-20 05:34:12
● 2026-02-26 08:19:08
○ 2026-03-28 12:22:48
○ 2026-05-12 00:07:18

●A2606:4700:3036::6815:18312026-02-20 → 2026-05-12 · 5 obs

○ 2017-03-13 17:40:12
● 2026-02-20 05:34:12
○ 2026-02-26 08:19:08
● 2026-03-28 12:22:48
● 2026-05-12 00:07:18

●A2606:4700:3037::ac43:d8d52026-02-20 → 2026-05-12 · 5 obs

○ 2017-03-13 17:40:12
● 2026-02-20 05:34:12
○ 2026-02-26 08:19:08
● 2026-03-28 12:22:48
● 2026-05-12 00:07:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
bftzsb.cn	leo.ns.cloudflare.com, arushi.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.61

NS records: leo.ns.cloudflare.com, arushi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bftzsb.cn (unsigned zone)

⏱️ Timing

Total: 1096ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.216.213, 104.21.24.49`
AAAA	2	`2606:4700:3036::6815:1831, 2606:4700:3037::ac43:d8d5`
NS	2	`arushi.ns.cloudflare.com, leo.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arushi.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

bftzsb.cn maps to four IP numbers: 2606:4700:3036::6815:1831, 2606:4700:3037::ac43:d8d5, 104.21.24.49 and 172.67.216.213.

other host names include razzledazzlerecipes.com, borowin.com, artofchangetherapy.com, inia.org.mt and www.ctechn.com; they share IP numbers with bftzsb.cn.

Name Servers

Two name servers arushi.ns.cloudflare.com and leo.ns.cloudflare.com handle the delegation for bftzsb.cn.

bftzsb.cn shares the same name server setup as other domains, for instance cdwtv.cn, ncikqod.cn, yingyugaofen.cn, globeofthings.com and bdmf.cn.

bftzsb.cn at least partially shares name servers with other domains, for instance milpalabras.com.co, ccaa.info, 60pips.com, astareklam.com.tr and travelodcs.com.

these name servers are commonly used alongside the name servers eoin.ns.cloudflare.com, darwin.ns.cloudflare.com, rommy.ns.cloudflare.com, phoenix.ns.cloudflare.com, erin.ns.cloudflare.com, rafe.ns.cloudflare.com and porter.ns.cloudflare.com.

Six IP addresses per host:

arushi.ns.cloudflare.com points to 2606:4700:50::a29f:263d, 2803:f800:50::6ca2:c23d, 2a06:98c1:50::ac40:223d, 108.162.194.61, 162.159.38.61 and 172.64.34.61; leo.ns.cloudflare.com points to 2606:4700:58::a29f:2cf1, 2803:f800:50::6ca2:c3f1, 2a06:98c1:50::ac40:23f1, 108.162.195.241, 162.159.44.241 and 172.64.35.241

bftzsb.cn - robtex.com

bftzsb.cn

cn