`utbp.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:5684^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:dc32^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.132^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.50^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`crystal.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`crystal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`crystal.ns.cloudflare.com`
		A	108.162.194.202^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	162.159.38.202^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	172.64.34.202^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
NS	`thaddeus.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thaddeus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thaddeus.ns.cloudflare.com`
		A	108.162.195.127^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	162.159.44.127^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	172.64.35.127^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.132, 172.67.220.50
		IPv6 hints	2606:4700:3030::6815:5684, 2606:4700:3033::ac43:dc32
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com
SOA	`crystal.ns.cloudflare.com`dns@cloudflare.com serial=2403126913

`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=2034777302

Same first word

utbp.com

utbp.herokuapp.com

utbp.cn

utbp.ru

utbp.edu.mx

Similar names

bupt.online

tpub.ru

bptu.net

uptb.cn

pubt.io

btpu.org

utpb.net

utpb.com

tpub.de

butp.net

bupt.edu.cn

ubpt.com

bupt.mba

bupt.com

putb.net

btup.net

tbup.com

tupb.com

bupt.cn

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utpb.ir

pubt.ru

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tpub.net

bupt.net

bupt.work

utpb.ch

utpb.edu

bput.co.in

utpb.org

btup.org

pubt.in

tpub.cn

bput.com

ptbu.com

tbup.tk

pbtu.com

putb.ru

bupt.dev

butp.info

ptub.com

tbup.de

bupt.link

bput.ac.in

bupt.moe

bptu.kiev.ua

bput.info

bupt.org

tpub.co

ubtp.com

bupt.wiki

bput.cn

bput.in

bupt.io

bput.org

pubt.net

utpb.at

putb.if.ua

ptbu.org

utpb.de

butp.com

tpub.co.uk

tubp.com

bupt.ca

bupt.site

upbt.com

bupt.website

tbpu.com

bupt.vip

pubt.com

tpub.com

DNS History

19 records (6 active, 13 former)

●NScrystal.ns.cloudflare.com2026-04-07 → 2026-05-11 · 3 obs

○ 2016-12-26 09:08:30
● 2026-04-07 11:45:32
● 2026-05-11 05:45:44

○NSdns1.iidns.com2016-06-18 → 2016-08-30 · 4 obs

● 2016-06-18 15:01:14
● 2016-08-30 06:32:02
○ 2016-12-26 09:08:30
○ 2026-05-11 05:45:44

○NSdns10.hichina.com2016-12-26 → 2016-12-26 · 4 obs

○ 2016-08-30 06:32:02
● 2016-12-26 09:08:30
○ 2026-04-07 11:45:32
○ 2026-05-11 05:45:44

○NSdns2.iidns.com2016-06-18 → 2016-08-30 · 4 obs

● 2016-06-18 15:01:14
● 2016-08-30 06:32:02
○ 2016-12-26 09:08:30
○ 2026-05-11 05:45:44

○NSdns3.iidns.com2016-06-18 → 2016-08-30 · 4 obs

● 2016-06-18 15:01:14
● 2016-08-30 06:32:02
○ 2016-12-26 09:08:30
○ 2026-05-11 05:45:44

○NSdns4.iidns.com2016-06-18 → 2016-08-30 · 4 obs

● 2016-06-18 15:01:14
● 2016-08-30 06:32:02
○ 2016-12-26 09:08:30
○ 2026-05-11 05:45:44

○NSdns5.iidns.com2016-06-18 → 2016-08-30 · 4 obs

● 2016-06-18 15:01:14
● 2016-08-30 06:32:02
○ 2016-12-26 09:08:30
○ 2026-05-11 05:45:44

○NSdns6.iidns.com2016-06-18 → 2016-08-30 · 4 obs

● 2016-06-18 15:01:14
● 2016-08-30 06:32:02
○ 2016-12-26 09:08:30
○ 2026-05-11 05:45:44

○NSdns9.hichina.com2016-12-26 → 2016-12-26 · 4 obs

○ 2016-08-30 06:32:02
● 2016-12-26 09:08:30
○ 2026-04-07 11:45:32
○ 2026-05-11 05:45:44

●NSthaddeus.ns.cloudflare.com2026-04-07 → 2026-05-11 · 3 obs

○ 2016-12-26 09:08:30
● 2026-04-07 11:45:32
● 2026-05-11 05:45:44

●A104.21.86.1322026-04-10 → 2026-05-11 · 3 obs

○ 2026-04-07 11:45:32
● 2026-04-10 19:30:50
● 2026-05-11 05:45:44

○A123.108.110.782016-06-18 → 2016-08-30 · 4 obs

● 2016-06-18 15:01:14
● 2016-08-30 06:32:02
○ 2016-12-26 09:08:30
○ 2026-05-11 05:45:44

●A172.67.220.502026-04-10 → 2026-05-11 · 3 obs

○ 2026-04-07 11:45:32
● 2026-04-10 19:30:50
● 2026-05-11 05:45:44

○A188.114.96.02026-04-07 → 2026-04-07 · 4 obs

○ 2016-12-26 09:08:30
● 2026-04-07 11:45:32
○ 2026-04-10 19:30:50
○ 2026-05-11 05:45:44

○A188.114.97.02026-04-07 → 2026-04-07 · 4 obs

○ 2016-12-26 09:08:30
● 2026-04-07 11:45:32
○ 2026-04-10 19:30:50
○ 2026-05-11 05:45:44

●A2606:4700:3030::6815:56842026-04-10 → 2026-05-11 · 3 obs

○ 2026-04-07 11:45:32
● 2026-04-10 19:30:50
● 2026-05-11 05:45:44

●A2606:4700:3033::ac43:dc322026-04-10 → 2026-05-11 · 3 obs

○ 2026-04-07 11:45:32
● 2026-04-10 19:30:50
● 2026-05-11 05:45:44

○A2a06:98c1:3120::2026-04-07 → 2026-04-07 · 4 obs

○ 2016-12-26 09:08:30
● 2026-04-07 11:45:32
○ 2026-04-10 19:30:50
○ 2026-05-11 05:45:44

○A2a06:98c1:3121::2026-04-07 → 2026-04-07 · 4 obs

○ 2016-12-26 09:08:30
● 2026-04-07 11:45:32
○ 2026-04-10 19:30:50
○ 2026-05-11 05:45:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn...	-
utbp.cn	crystal.ns.cloudflare.com, thaddeus.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.127

NS records: crystal.ns.cloudflare.com, thaddeus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for utbp.cn (unsigned zone)

⏱️ Timing

Total: 579ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.220.50, 104.21.86.132`
AAAA	2	`2606:4700:3030::6815:5684, 2606:4700:3033::ac43:dc32`
NS	2	`crystal.ns.cloudflare.com, thaddeus.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`crystal.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

utbp.cn points to four IP numbers: 2606:4700:3030::6815:5684, 2606:4700:3033::ac43:dc32, 104.21.86.132 and 172.67.220.50.

Other host names, for instance dhyanajapamalas.com.br, tuecohuerta.com, tours-ex.ru, myhostdata.space and cingunlugu.com share IP numbers with utbp.cn.

Name Servers

utbp.cn is delegated to two name servers: crystal.ns.cloudflare.com and thaddeus.ns.cloudflare.com.

utbp.cn uses the same name server setup as other domains, for instance yozhe8.com, 52dvj.com, ruinmanya.com, f1funs.com and lt8898.com.

utbp.cn shares name servers with other domains at least partially, for instance kilianengineering.com, hackneyhear.com, bendewit.nl, landak-toto.com and fitri4dlogin.com.

these name servers are commonly used together with apollo.ns.cloudflare.com and rosalyn.ns.cloudflare.com.

Host names with six IP numbers: crystal.ns.cloudflare.com points to 2606:4700:50::a29f:26ca, 2803:f800:50::6ca2:c2ca, 2a06:98c1:50::ac40:22ca, 108.162.194.202, 162.159.38.202 and 172.64.34.202; thaddeus.ns.cloudflare.com points to 2606:4700:58::a29f:2c7f, 2803:f800:50::6ca2:c37f, 2a06:98c1:50::ac40:237f, 108.162.195.127, 162.159.44.127 and 172.64.35.127.

utbp.cn - robtex.com

utbp.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`utbp.cn`

`cn`