`dbcore.cn`

DNSSEC	⚠️ Not signed
NS	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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,}
		A	139.224.142.110^{🇨🇳 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,}
NS	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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,}
		A	139.224.142.108^{🇨🇳 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,}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`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 2035-03-21 #24

Same first word

dbcore.de

dbcore.com

dbcore.cn

Similar names

dbcero.com

cedrob.com.pl

corebd.co.kr

coredb.net

brodec.eu

bdecor.eu

decorb.ru

cdboer.com

bedroc.com

cdebor.com

bdcore.com

bredco.co.in

bcoder.top

brodec.org

bcoder.net

drobec.com

coredb.com

brodec.cz

bcdero.com

bdecor.com

cerodb.com

drobec.sk

bcoder.com

bocred.com.ar

coderb.com

bdecor.ru

debroc.de

erbdoc.com

bedroc.in

cedrob.de

brcode.ru

cedrob.com

brcode.com

bcorde.com

credbo.com

bdecor.be

brodec.com

brodce.cz

brcode.eu

bercod.com

bredco.in

drobec.net

debcor.com

dorbec.com

corebd.net

bredco.com

bcoder.cn

cbdreo.com

credob.com

redcob.com

codebr.net

bredco.net

brodce.net

redcob.cl

cedrob.pl

bodrec.com

robced.com

brcode.io

rdbeco.ro

bredco.com.au

rbcode.net

brdeco.net

brdeco.com

brcode.win

cobred.com

DNS History

6 records (4 active, 2 former)

●NSdns21.hichina.com2015-06-10 → 2026-07-12 · 2 obs

● 2015-06-10 13:41:16
● 2026-07-12 12:15:40

●NSdns22.hichina.com2015-06-10 → 2026-07-12 · 2 obs

● 2015-06-10 13:41:16
● 2026-07-12 12:15:40

○MXmx.ym.163.com2015-06-10 → 2016-11-20 · 4 obs

● 2015-06-10 13:41:16
● 2016-11-20 14:36:22
○ 2017-09-15 19:41:12
○ 2026-07-12 12:15:40

●MXmxbiz1.qq.com2017-09-15 → 2026-07-12 · 3 obs

○ 2016-11-20 14:36:22
● 2017-09-15 19:41:12
● 2026-07-12 12:15:40

●MXmxbiz2.qq.com2017-09-15 → 2026-07-12 · 3 obs

○ 2016-11-20 14:36:22
● 2017-09-15 19:41:12
● 2026-07-12 12:15:40

○A114.215.209.1092015-06-10 → 2016-11-20 · 4 obs

● 2015-06-10 13:41:16
● 2016-11-20 14:36:22
○ 2017-09-15 19:41:12
○ 2026-07-12 12:15:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
dbcore.cn	dns21.hichina.com, dns22.hichina.com	-

✅ Authoritative Response

Server:2408:4009:501::29

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dbcore.cn (unsigned zone)

⏱️ Timing

Total: 3754ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns21.hichina.com, dns22.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

dbcore.cn uses two name servers for its delegation: dns21.hichina.com and dns22.hichina.com.

dbcore.cn shares its name server setup with other domains, including gzicon.com, desland.cn, airhoo.com and two others.

dbcore.cn shares at least some of its name servers with other domains, including doldao.com, hxiao.com, fpink.com and two others.

These name servers are frequently seen alongside the name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with 9 IP numbers:

Hostname dns21.hichina.com directs to 39.96.153.40, 39.96.153.60 and 47.118.199.200 along with 6 other IP addresses.

Hostname dns22.hichina.com directs to 39.96.153.38, 39.96.153.61 and 47.118.199.198 along with 6 other IP addresses.

Mail Servers

dbcore.cn has two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

dbcore.cn shares the same mail server setup as other domains, including ausasiahr.com, yunio.com, atc.com.br and two others.

dbcore.cn has at least some mail servers in common with other domains, such as 5678910.com, loutong.com, pandacompass.com and itspxx.com.

dbcore.cn - robtex.com

dbcore.cn

cn