`osai.cn`

DNSSEC	⚠️ Not signed
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
NS	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
SOA	`dns3.hichina.com`hostmaster@hichina.com 2026-01-09 #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=2034596105

Same first word

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DNS History

6 records (2 active, 4 former)

●NSdns3.hichina.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 08:35:44
● 2026-03-28 00:00:30

●NSdns4.hichina.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 08:35:44
● 2026-03-28 00:00:30

○MXmail.skrimple.com2016-08-07 → 2016-08-07 · 3 obs

● 2016-08-07 19:23:42
○ 2026-03-27 08:35:44
○ 2026-03-28 00:00:30

○A162.251.6.382016-04-23 → 2016-04-23 · 4 obs

○ 2016-02-02 16:57:38
● 2016-04-23 11:21:36
○ 2026-03-27 08:35:44
○ 2026-03-28 00:00:30

○A64.62.171.1482016-02-02 → 2016-02-02 · 4 obs

○ 2015-11-12 17:34:14
● 2016-02-02 16:57:38
○ 2016-04-23 11:21:36
○ 2026-03-28 00:00:30

○A64.62.224.2532015-07-03 → 2015-11-12 · 4 obs

● 2015-07-03 02:58:46
● 2015-11-12 17:34:14
○ 2016-02-02 16:57:38
○ 2026-03-28 00:00:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
osai.cn	dns3.hichina.com, dns4.hichina.com	-

✅ Authoritative Response

Server:120.76.107.43

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osai.cn (unsigned zone)

⏱️ Timing

Total: 1978ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns3.hichina.com, dns4.hichina.com`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

osai.cn's delegation uses two name servers, dns3.hichina.com and dns4.hichina.com.

osai.cn shares the same name server setup as other domains, for example zjchengdao.cn, aosida.net, chem-center.com, jlietrade.com and g-vale.com.

osai.cn at least partially shares name servers with other domains, including szqianbang.com, yunshan.cn, seedasdan.org, maoer360.com and animamundi.info.

These name servers are commonly used with the name servers expirens3.hichina.comexpirens4.hichina.comns7.alidns.comns8.alidns.comns1.alidns.com and ns2.alidns.com.

dns3.hichina.com points to: 2408:4009:501::11, 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.

dns4.hichina.com points to: 2408:4009:501::12, 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.

osai.cn - robtex.com

osai.cn

cn