`yjydb.com`

DNSSEC	⚠️ Not signed
NS	`dns7.hichina.com` ⭐
		A	2408:4009:501::15^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-43.defastlink.net`
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-63.defastlink.net`
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-203.defastlink.net`
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-213.defastlink.net`
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-43.defastlink.net`
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-63.defastlink.net`
		A	139.224.142.113^{🇨🇳 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-139-224-142-113.defastlink.net`
		A	139.224.142.123^{🇨🇳 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-139-224-142-123.defastlink.net`
NS	`dns8.hichina.com`
		A	2408:4009:501::16^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-44.defastlink.net`
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-54.defastlink.net`
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-204.defastlink.net`
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-214.defastlink.net`
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-44.defastlink.net`
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-54.defastlink.net`
		A	139.224.142.114^{🇨🇳 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-139-224-142-114.defastlink.net`
		A	139.224.142.124^{🇨🇳 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-139-224-142-124.defastlink.net`
SOA	`dns7.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Subdomains

www.yjydb.com

Same first word

yjydb.com

Similar names

jybyd.com

dyjyb.com

jydby.cn

DNS History

19 records (2 active, 17 former)

●NSdns7.hichina.com2026-03-24 → 2026-03-24 · 3 obs

○ 2018-09-09 23:22:32
● 2026-03-24 03:33:30
● 2026-03-24 07:28:30

●NSdns8.hichina.com2026-03-24 → 2026-03-24 · 3 obs

○ 2018-09-09 23:22:32
● 2026-03-24 03:33:30
● 2026-03-24 07:28:30

○NSns01.domaincontrol.com2015-08-06 → 2017-02-13 · 6 obs

● 2015-08-06 09:44:52
○ 2015-11-22 15:22:50
● 2016-02-27 21:17:10
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns02.domaincontrol.com2015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns03.domaincontrol.com2015-08-06 → 2017-02-13 · 5 obs

● 2015-08-06 09:44:52
○ 2015-11-22 15:22:50
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns04.domaincontrol.com2015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns05.domaincontrol.com2015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns06.domaincontrol.com2015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns07.domaincontrol.com2015-08-06 → 2017-02-13 · 5 obs

● 2015-08-06 09:44:52
○ 2015-11-22 15:22:50
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns08.domaincontrol.com2015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns09.domaincontrol.com2015-08-06 → 2017-02-13 · 5 obs

● 2015-08-06 09:44:52
○ 2015-11-22 15:22:50
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns10.domaincontrol.com2015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns11.domaincontrol.com2015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns12.domaincontrol.com2017-02-13 → 2017-02-13 · 4 obs

○ 2016-02-27 21:17:10
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns19.domaincontrol.com2015-08-06 → 2017-02-13 · 6 obs

● 2015-08-06 09:44:52
● 2015-11-22 15:22:50
○ 2016-02-27 21:17:10
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○NSns20.domaincontrol.com2015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○MXmailstore1.secureserver.net2015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○MXsmtp.secureserver.net2015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

○A23.80.71.2342015-08-06 → 2017-02-13 · 4 obs

● 2015-08-06 09:44:52
● 2017-02-13 21:11:12
○ 2018-09-09 23:22:32
○ 2026-03-24 07:28:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
yjydb.com	dns7.hichina.com, dns8.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.43

NS records: dns7.hichina.com, dns8.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yjydb.com (unsigned zone)

⏱️ Timing

Total: 3558ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns7.hichina.com, dns8.hichina.com`
SOA	1	`dns7.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns7.hichina.com, dns7.hichina.com, dns7.hichina.com...)

Analysis

Hierarchy

yjydb.com is the parent of www.yjydb.com.

Name Servers

yjydb.com's delegation uses two name servers, dns7.hichina.com and dns8.hichina.com.

yjydb.com shares the same name server setup as other domains, for example yidalight.com, letaotech.com, cicc.tv, filmate.net and s-zone.co.

yjydb.com shares some name servers with other domains, such as lnzyy.cn, sifine.com, iiphoto.cn and gzmaichi.com.

These name servers are commonly used with ns1.alidns.com and ns2.alidns.com.

dns7.hichina.com points to: 2408:4009:501::15, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

dns8.hichina.com points to: 2408:4009:501::16, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

yjydb.com - robtex.com

yjydb.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

Name Servers

`yjydb.com`

`com`