`btck.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:92f4^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:ae6^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.230^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.146.244^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amalia.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:265e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amalia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c25e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amalia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:225e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amalia.ns.cloudflare.com`
		A	108.162.194.94^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amalia.ns.cloudflare.com`
		A	162.159.38.94^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amalia.ns.cloudflare.com`
		A	172.64.34.94^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amalia.ns.cloudflare.com`
NS	`roman.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c367^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roman.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2367^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roman.ns.cloudflare.com`
		A	108.162.195.103^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
		A	162.159.44.103^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
		A	172.64.35.103^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.230, 172.67.146.244
		IPv6 hints	2606:4700:3031::ac43:92f4, 2606:4700:3037::6815:ae6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com
SOA	`amalia.ns.cloudflare.com`dns@cloudflare.com serial=2409686264

`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=2035126937

Same first word

btck.ru

btck.shop

btck.net

btck.com

btck.io

btck.info

btck.co.uk

btck.cn

Similar names

kbtc.ie

cbtk.net

btkc.top

tcbk.de

kbtc.ac.th

ktcb.kr

tkbc.org

ktbc.edgesuite.net

bckt.co

kcbt.ru

cbtk.com

ckbt.org.rs

tkbc.jp

bktc.org

bktc.pl

tbck.org

cbtk.ru

bkct.cn

bktc.com

kcbt.org

tbkc.com.cn

kbtc.io

ktbc.cn

tckb.ru

cbtk.se

tkcb.cc

tckb.com

kbtc.or.kr

tkbc.be

tkcb.com

kbct.org

ktbc.co.jp

bktc.nl

ktbc.org.hk

kbtc.org

tkbc.de

tkbc.com

kcbt.net

bktc.org.au

kbtc.be

kbtc.de

cbtk.org

ctkb.ru

ctbk.cn

kctb.net

ktbc.co.kr

bctk.ru

tkbc.no

bktc.net

kbct.net

ktbc.de

btkc.eu

kbct.ru

cbkt.org

tkcb.org

tkbc.ch

kbtc.cn

tkbc.net

kcbt.cn

ctkb.cn

tkbc.org.hk

bckt.ai

tckb.de

tkcb.eu

kbtc.co.uk

kbtc.net

kctb.kz

kcbt.com

btkc.net

kbtc.com.ye

ctbk.com

kcbt.nl

bctk.de

tbkc.com.au

cbkt.com

tbkc.gov.tw

kbtc.info

bktc.com.cn

cktb.com

tcbk.com

tbck.cn

kcbt.de

ctbk.pl

bktc.cn

bkct.info

cktb.cn

btkc.de

ktcb.be

ktbc.org

cbkt.net

tkbc.eu

kbct.com

cbkt.org.br

ctbk.net

tckb.net

ktcb.cn

ctkb.org

tbkc.cn

tbkc.net

ktbc.com

ctbk.de

kctb.com

kctb.kr

bckt.ru

tbck.com

bkct.net

kcbt.edu.au

kcbt.wa.edu.au

kbtc.com

bktc.de

kbct.de

ckbt.net

ctkb.com

tbkc.com

ckbt.de

DNS History

26 records (6 active, 20 former)

●NSamalia.ns.cloudflare.com2026-07-08 → 2026-08-03 · 3 obs

○ 2026-06-15 00:34:04
● 2026-07-08 22:39:50
● 2026-08-03 07:23:54

○NSf1g1ns1.dnspod.net2015-05-19 → 2015-10-19 · 4 obs

● 2015-05-19 10:48:40
● 2015-10-19 21:23:34
○ 2015-12-19 15:19:14
○ 2026-08-03 07:23:54

○NSf1g1ns2.dnspod.net2015-05-19 → 2015-10-19 · 4 obs

● 2015-05-19 10:48:40
● 2015-10-19 21:23:34
○ 2015-12-19 15:19:14
○ 2026-08-03 07:23:54

○NSns1.alidns.com2016-12-01 → 2016-12-01 · 4 obs

○ 2016-01-30 10:52:16
● 2016-12-01 18:36:24
○ 2026-06-11 04:23:44
○ 2026-08-03 07:23:54

○NSns1.ezdnscenter.com2015-12-19 → 2016-01-30 · 5 obs

○ 2015-10-19 21:23:34
● 2015-12-19 15:19:14
● 2016-01-30 10:52:16
○ 2016-12-01 18:36:24
○ 2026-08-03 07:23:54

○NSns1.nowcndns.com2026-06-11 → 2026-06-15 · 5 obs

○ 2016-12-01 18:36:24
● 2026-06-11 04:23:44
● 2026-06-15 00:34:04
○ 2026-07-08 22:39:50
○ 2026-08-03 07:23:54

○NSns2.alidns.com2016-12-01 → 2016-12-01 · 4 obs

○ 2016-01-30 10:52:16
● 2016-12-01 18:36:24
○ 2026-06-11 04:23:44
○ 2026-08-03 07:23:54

○NSns2.ezdnscenter.com2015-12-19 → 2016-01-30 · 5 obs

○ 2015-10-19 21:23:34
● 2015-12-19 15:19:14
● 2016-01-30 10:52:16
○ 2016-12-01 18:36:24
○ 2026-08-03 07:23:54

○NSns2.nowcndns.com2026-06-11 → 2026-06-15 · 5 obs

○ 2016-12-01 18:36:24
● 2026-06-11 04:23:44
● 2026-06-15 00:34:04
○ 2026-07-08 22:39:50
○ 2026-08-03 07:23:54

○NSns3.ezdnscenter.com2015-12-19 → 2016-01-30 · 5 obs

○ 2015-10-19 21:23:34
● 2015-12-19 15:19:14
● 2016-01-30 10:52:16
○ 2016-12-01 18:36:24
○ 2026-08-03 07:23:54

○NSns4.ezdnscenter.com2015-12-19 → 2016-01-30 · 5 obs

○ 2015-10-19 21:23:34
● 2015-12-19 15:19:14
● 2016-01-30 10:52:16
○ 2016-12-01 18:36:24
○ 2026-08-03 07:23:54

○NSns5.ezdnscenter.com2015-12-19 → 2016-01-30 · 5 obs

○ 2015-10-19 21:23:34
● 2015-12-19 15:19:14
● 2016-01-30 10:52:16
○ 2016-12-01 18:36:24
○ 2026-08-03 07:23:54

○NSns6.ezdnscenter.com2015-12-19 → 2016-01-30 · 5 obs

○ 2015-10-19 21:23:34
● 2015-12-19 15:19:14
● 2016-01-30 10:52:16
○ 2016-12-01 18:36:24
○ 2026-08-03 07:23:54

●NSroman.ns.cloudflare.com2026-07-08 → 2026-08-03 · 3 obs

○ 2026-06-15 00:34:04
● 2026-07-08 22:39:50
● 2026-08-03 07:23:54

○A103.73.97.2102017-07-09 → 2017-07-09 · 4 obs

○ 2016-12-01 18:36:24
● 2017-07-09 21:25:28
○ 2026-06-11 04:23:44
○ 2026-08-03 07:23:54

●A104.21.10.2302026-07-08 → 2026-08-03 · 3 obs

○ 2026-06-11 04:23:44
● 2026-07-08 22:39:50
● 2026-08-03 07:23:54

○A107.167.19.752016-12-01 → 2016-12-01 · 4 obs

○ 2016-01-30 10:52:16
● 2016-12-01 18:36:24
○ 2017-07-09 21:25:28
○ 2026-08-03 07:23:54

○A107.167.19.762016-12-01 → 2016-12-01 · 4 obs

○ 2016-01-30 10:52:16
● 2016-12-01 18:36:24
○ 2017-07-09 21:25:28
○ 2026-08-03 07:23:54

○A107.167.19.772016-12-01 → 2016-12-01 · 4 obs

○ 2016-01-30 10:52:16
● 2016-12-01 18:36:24
○ 2017-07-09 21:25:28
○ 2026-08-03 07:23:54

○A107.167.19.782016-12-01 → 2016-12-01 · 4 obs

○ 2016-01-30 10:52:16
● 2016-12-01 18:36:24
○ 2017-07-09 21:25:28
○ 2026-08-03 07:23:54

○A162.244.92.1222015-05-19 → 2015-10-19 · 4 obs

● 2015-05-19 10:48:40
● 2015-10-19 21:23:34
○ 2016-01-30 10:52:16
○ 2026-08-03 07:23:54

●A172.67.146.2442026-07-08 → 2026-08-03 · 3 obs

○ 2026-06-11 04:23:44
● 2026-07-08 22:39:50
● 2026-08-03 07:23:54

○A202.74.3.602017-07-09 → 2017-07-09 · 4 obs

○ 2016-12-01 18:36:24
● 2017-07-09 21:25:28
○ 2026-06-11 04:23:44
○ 2026-08-03 07:23:54

●A2606:4700:3031::ac43:92f42026-07-08 → 2026-08-03 · 3 obs

○ 2026-06-11 04:23:44
● 2026-07-08 22:39:50
● 2026-08-03 07:23:54

●A2606:4700:3037::6815:ae62026-07-08 → 2026-08-03 · 3 obs

○ 2026-06-11 04:23:44
● 2026-07-08 22:39:50
● 2026-08-03 07:23:54

○CNAMEcs.ename.net2016-12-01 → 2016-12-01 · 3 obs

● 2016-12-01 18:36:24
○ 2017-07-09 21:25:28
○ 2026-08-03 07:23:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
btck.cn	roman.ns.cloudflare.com, amalia.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.103

NS records: roman.ns.cloudflare.com, amalia.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3419ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.10.230, 172.67.146.244`
AAAA	2	`2606:4700:3031::ac43:92f4, 2606:4700:3037::6815:ae6`
NS	2	`amalia.ns.cloudflare.com, roman.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amalia.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

btck.cn resolves to four IP addresses: 104.21.10.230, 172.67.146.244, 2606:4700:3031::ac43:92f4 and 2606:4700:3037::6815:ae6.

Two other host names, along with pinup.net.ec, twotogether-railcard.com and downzd.com, also share IP numbers with btck.cn.

Name Servers

The NS records for btck.cn delegate to amalia.ns.cloudflare.com and roman.ns.cloudflare.com.

btck.cn shares its NS records with other domains, for example h3269.cn, rzdkw.com, szhstbz.com and two others.

btck.cn has at least partial name server overlap with other domains, such as combinationcleaning.com, monitortwp.gov, urbinaryhub.rw and two others.

It is common to see these name servers used together with name servers jill.ns.cloudflare.com and dayana.ns.cloudflare.com.

DNS names with 6 IP addresses:

amalia.ns.cloudflare.com maps to 108.162.194.94, 162.159.38.94, 172.64.34.94 and 3 additional IP addresses.

roman.ns.cloudflare.com maps to 108.162.195.103, 162.159.44.103, 172.64.35.103 and 3 additional IP addresses.

btck.cn - robtex.com

btck.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`btck.cn`

`cn`