`risdb.cn`

DNSSEC	⚠️ Not signed
A	222.175.159.137^{🇨🇳 CHINANET-BACKBONE222.174.0.0/15 China Telecom Network}
NS	`dns25.hichina.com` ⭐
		A	2408:4009:501::33^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns26.hichina.com`
		A	2408:4009:501::34^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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	`mxbiz2.qq.com` ⭐
MX	`mxbiz1.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns25.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 serial=2035097567

Same first word

risdb.cn

risdb.net

Similar names

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bdsir.com

birds.nl

birds.be

dbirs.ru

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sribd.cn

sdbir.com

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irdbs.com

birds.co.jp

birds.tv

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birds.com.hr

birds.gr

birds.co.uk

birds.fi

birds.care

sbird.co.uk

birds.ca

sdbri.org

drsib.com

birds.es

sbird.org

idsbr.org.br

birds.is

birds.co.za

birds.us

sribd.com

brdis.com

sbird.net

sbird.com

birds.pl

dbsir.com

dirbs.com

birds.bi

irsdb.de

birds.io

birds.uz

bdris.com

brids.co.id

dribs.com

birds.info

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sbird.eu

sbird.com.cn

sbird.de

sbird.xyz

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birds.makeup

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bsdri.com

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sbird.info

birds.kz

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brisd.com

brids.co.uk

brisd.net

brdis.pro

birds.town

birds.lk

dribs.net

birds.host

bidrs.com

dbris.com

birds.ru

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sibdr.ru

birds.eu.com

DNS History

5 records (5 active, 0 former)

●NSdns25.hichina.com2026-05-22 → 2026-07-27 · 2 obs

● 2026-05-22 02:29:48
● 2026-07-27 17:27:50

●NSdns26.hichina.com2026-05-22 → 2026-07-27 · 2 obs

● 2026-05-22 02:29:48
● 2026-07-27 17:27:50

●MXmxbiz1.qq.com2026-05-22 → 2026-07-27 · 2 obs

● 2026-05-22 02:29:48
● 2026-07-27 17:27:50

●MXmxbiz2.qq.com2026-05-22 → 2026-07-27 · 2 obs

● 2026-05-22 02:29:48
● 2026-07-27 17:27:50

●A222.175.159.1372026-05-22 → 2026-07-27 · 2 obs

● 2026-05-22 02:29:48
● 2026-07-27 17:27:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, d.dns.cn, a.dns.cn, c.dns.cn...	-
risdb.cn	dns25.hichina.com, dns26.hichina.com	-

✅ Authoritative Response

Server:39.96.153.37

NS records: dns25.hichina.com, dns26.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for risdb.cn (unsigned zone)

⏱️ Timing

Total: 2407ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`222.175.159.137`
NS	2	`dns26.hichina.com, dns25.hichina.com`
MX	2	`mxbiz1.qq.com (pri: 10), mxbiz2.qq.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`dns25.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

risdb.cn directs to one IP number, which is 222.175.159.137.

risdb.net, for instance, is one of the other host names sharing IP numbers with risdb.cn.

Name Servers

risdb.cn uses two name servers for its delegation: dns25.hichina.com and dns26.hichina.com.

risdb.cn has the same name server delegation as a number of other domains, such as guoye-led.com, ipecltd.com, jiaoshizazhi.com and two more.

risdb.cn partially shares its NS delegation with several other domains, including shijiezhixiao.com, imttp.com, bestsound.cn and two others.

The name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com are often found in use alongside these name servers.

Host names resolving to 9 IP numbers:

Hostname dns25.hichina.com directs to 39.96.153.39, 39.96.153.59 and 47.118.199.199 along with 6 other IP addresses.

Hostname dns26.hichina.com directs to 39.96.153.37, 39.96.153.62 and 47.118.199.197 along with 6 other IP addresses.

Mail Servers

The MX records for risdb.cn point to two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

risdb.cn has the same mail server arrangement as a number of other domains, for example yiheinfo.cn, sendinet.com, iwencan.com and two more.

risdb.cn partially shares its mail servers with other domains, china-domain.net and bjlcyq.cn being examples.

risdb.cn - robtex.com

risdb.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`risdb.cn`

`cn`