`cbt.cn`

DNSSEC	⚠️ Not signed
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-42.defastlink.net`
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-52.defastlink.net`
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-202.defastlink.net`
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-212.defastlink.net`
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-42.defastlink.net`
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-52.defastlink.net`
		A	139.224.142.112^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-112.defastlink.net`
		A	139.224.142.122^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-122.defastlink.net`
NS	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-41.defastlink.net`
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-51.defastlink.net`
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-201.defastlink.net`
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-211.defastlink.net`
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-41.defastlink.net`
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-51.defastlink.net`
		A	139.224.142.111^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-111.defastlink.net`
		A	139.224.142.121^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-121.defastlink.net`
MX	`qiye163mx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`qiye163mx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`cn`

	DNSSEC	⚠️ Not signed
	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=2034546407

Same first word

cbt.site

cbt.es

cbt.dk

cbt.si

cbt.dev

cbt.guru

cbt.com.de

cbt.tv

cbt.news

cbt.us

cbt.education

cbt.healthcare

cbt.com.hk

cbt.com.gr

cbt.org.mx

cbt.vn

cbt.ch

cbt.(0x787878)

cbt.co

cbt.com.pl

cbt.jp

cbt.it

cbt.nl

cbt.lt

cbt.cl

cbt.ltd

cbt.web.id

cbt.net

cbt.website

cbt.asia

cbt.gg

cbt.be

cbt.ua

cbt.edu

cbt.ir

cbt.com.au

cbt.nyc

cbt.cn

cbt.se

cbt.ie

cbt.aero

cbt.net.pl

cbt.net.cn

cbt.info

cbt.bet

cbt.ca

cbt.com.br

cbt.or.kr

cbt.nu

cbt.rs

cbt.name

cbt.academy

cbt.co.id

cbt.im

cbt.pl

cbt.com.mx

cbt.tj

cbt.my.id

cbt.la

cbt.ao.it

cbt.com.my

cbt.vg

cbt.by

cbt.edu.hk

cbt.at

cbt.center

cbt.doctor

cbt.clinic

cbt.mobi

cbt.ru

cbt.com.cn

cbt.tm

cbt.gov.zm

cbt.co.kr

cbt.id

cbt.fr

Similar names

btc.ro

tbc.go.tz

bct.one

tbc.se

tbc.ru

bct.cn

bct.co.nz

btc.co.uk

tcb.ge

btc.bg

btc.fm

bct.pl

tbc.school.nz

btc.in

btc.creditcard

tcb.cn

bct.nu

btc.gift

btc.report

btc.nl

ctb.edu.co

tcb.com.eg

tbc.co.th

bct.net.cn

tcb.it

btc.uk.com

btc.info

tbc.zone

bct.se

tbc.ne.jp

btc.coop

btc.rest

tbc.co

btc.ps

btc.pet

btc.edu.vn

tbc.de

bct.lu

tbc.com

tcb.su

tbc.pl

tcb.cl

btc.bike

tbc.cn

bct.sk

btc.bz

tbc.kz

tcb.me

ctb.org.tw

ctb.ro

tbc.city

btc.in.ua

bct.bg

btc.ru

btc.cc

tbc.co.uk

tcb.net

btc.am

btc.hr

btc.org

bct.dk

ctb.com

btc.jpn.com

btc.com.tr

btc.us

btc.ac

tbc.on.ca

bct.net

btc.dev

ctb.com.au

tcb.com.br

ctb.party

btc.fun

btc.domains

btc.altervista.org

tbc.cc

tbc.bg

btc.promo

tbc.name

btc.it

tbc.sk

bct.ch

btc.wien

bct.gdynia.pl

DNS History

14 records (4 active, 10 former)

○NSdns1.iidns.com2015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 09:57:32
○ 2015-11-04 11:51:00
○ 2026-03-23 18:10:00

●NSdns10.hichina.com2015-11-04 → 2026-03-23 · 6 obs

○ 2015-08-19 09:57:32
● 2015-11-04 11:51:00
● 2017-01-15 18:15:16
○ 2021-01-07 03:41:14
● 2026-03-21 05:49:02
● 2026-03-23 18:10:00

○NSdns2.iidns.com2015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 09:57:32
○ 2015-11-04 11:51:00
○ 2026-03-23 18:10:00

○NSdns3.iidns.com2015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 09:57:32
○ 2015-11-04 11:51:00
○ 2026-03-23 18:10:00

○NSdns4.iidns.com2015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 09:57:32
○ 2015-11-04 11:51:00
○ 2026-03-23 18:10:00

○NSdns5.iidns.com2015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 09:57:32
○ 2015-11-04 11:51:00
○ 2026-03-23 18:10:00

○NSdns6.iidns.com2015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 09:57:32
○ 2015-11-04 11:51:00
○ 2026-03-23 18:10:00

●NSdns9.hichina.com2015-11-04 → 2026-03-23 · 6 obs

○ 2015-08-19 09:57:32
● 2015-11-04 11:51:00
● 2017-01-15 18:15:16
○ 2021-01-07 03:41:14
● 2026-03-21 05:49:02
● 2026-03-23 18:10:00

○MXmail.cbt.cn2016-10-05 → 2017-01-15 · 5 obs

○ 2016-07-04 00:57:10
● 2016-10-05 23:29:22
● 2017-01-15 18:15:16
○ 2021-01-07 03:41:14
○ 2026-03-23 18:10:00

○MXmxn.mxhichina.com2015-11-04 → 2016-07-04 · 4 obs

● 2015-11-04 11:51:00
● 2016-07-04 00:57:10
○ 2016-10-05 23:29:22
○ 2026-03-23 18:10:00

○MXmxw.mxhichina.com2015-11-04 → 2016-07-04 · 4 obs

● 2015-11-04 11:51:00
● 2016-07-04 00:57:10
○ 2016-10-05 23:29:22
○ 2026-03-23 18:10:00

●MXqiye163mx01.mxmail.netease.com2026-03-21 → 2026-03-23 · 3 obs

○ 2021-01-07 03:41:14
● 2026-03-21 05:49:02
● 2026-03-23 18:10:00

●MXqiye163mx02.mxmail.netease.com2026-03-21 → 2026-03-23 · 3 obs

○ 2021-01-07 03:41:14
● 2026-03-21 05:49:02
● 2026-03-23 18:10:00

○A121.42.164.2412015-11-04 → 2017-01-15 · 4 obs

● 2015-11-04 11:51:00
● 2017-01-15 18:15:16
○ 2021-01-07 03:41:14
○ 2026-03-23 18:10:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
cbt.cn	dns9.hichina.com, dns10.hichina.com	-

✅ Authoritative Response

Server:139.224.142.111

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cbt.cn (unsigned zone)

⏱️ Timing

Total: 1206ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns9.hichina.com, dns10.hichina.com`
MX	2	`qiye163mx01.mxmail.netease.com (pri: 5), qiye163mx02.mxmail.netease.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com -all`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

cbt.cn is delegated to two name servers dns10.hichina.com and dns9.hichina.com.

cbt.cn shares the same name server setup as other domains, for instance weinal.com, yg9.cn, notound.com, insound.cn and meione.me.

cbt.cn shares name servers with other domains at least partially, for example novkey.com and patry.xyz.

These name servers are commonly used alongside expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

Mail Servers

Two mail servers handle cbt.cn: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

cbt.cn shares the same mail server setup as other domains, for instance beeplus.cc, lecome.com, nextland.cn, hfml.net and yiwuen.com.

cbt.cn shares at least some mail servers with other domains, including hfsale.com, designverse.com.cn, yipin.com and vidson.cn.

Host names with two IP numbers:

qiye163mx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126

qiye163mx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126

Host names pointing to 47.251.71.119: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com

Host names pointing to 47.251.84.126: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com

cbt.cn - robtex.com

cbt.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

Mail Servers

`cbt.cn`

`cn`