`91koufu.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}
		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	`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}
		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,}
MX	`mxdomain.qq.com` ⭐
SOA	`dns7.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1775984962

Same first word

91koufu.com

DNS History

3 records (3 active, 0 former)

●NSdns7.hichina.com2016-12-16 → 2026-04-12 · 4 obs

● 2016-12-16 00:39:40
○ 2017-12-06 03:34:40
● 2026-03-14 05:22:12
● 2026-04-12 09:24:38

●NSdns8.hichina.com2016-12-16 → 2026-04-12 · 4 obs

● 2016-12-16 00:39:40
○ 2017-12-06 03:34:40
● 2026-03-14 05:22:12
● 2026-04-12 09:24:38

●MXmxdomain.qq.com2026-03-14 → 2026-04-12 · 2 obs

● 2026-03-14 05:22:12
● 2026-04-12 09:24:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
91koufu.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 91koufu.com (unsigned zone)

⏱️ Timing

Total: 707ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns7.hichina.com, dns8.hichina.com`
MX	1	`mxdomain.qq.com (pri: 10)`
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

Name Servers

91koufu.com is delegated to two name servers dns7.hichina.com and dns8.hichina.com.

91koufu.com shares the same name server setup as other domains, for instance braburg.com, giccps.com, bollfilterchina.cn, hyshoushen.com and tomic.cn.

91koufu.com at least partially shares name servers with other domains, for instance wjfzjx.cn, aquarun.com, xzvc.cn, kjuo.cn and bwmf.cn.

these name servers are often used together with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers:

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.

Mail Servers

91koufu.com is handled by a single mail server, mxdomain.qq.com.

91koufu.com shares the same mail server setup as other domains, for instance lzj.name, huchanghui.com, rowchina.cn, pinggu.org and zyw666.com.

91koufu.com shares at least some mail servers with other domains, including zhuhaibin.com, lcwy.com, bget.com and uza.cn.

These mail servers are commonly used alongside mxbiz1.qq.com and mxbiz2.qq.com.

91koufu.com - robtex.com

91koufu.com

com