`77du.net`

DNSSEC	⚠️ Not signed
A	47.110.241.219^{🇨🇳 Alibaba-Cloud47.110.0.0/16}
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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⁾
TXT	`_globalsign-domain-verification=a20uzMXqTgmyoKJCPL2yLXuz7_cwIS4dKmyXe3O2Za`
SOA	`dns15.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`net`

	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=1774480687

Same first word

77du.net

DNS History

8 records (5 active, 3 former)

○NSdns10.hichina.com2015-12-30 → 2016-06-18 · 4 obs

● 2015-12-30 22:17:48
● 2016-06-18 09:54:02
○ 2017-02-13 14:08:06
○ 2026-03-25 23:25:50

●NSdns15.hichina.com2019-02-22 → 2026-03-25 · 3 obs

○ 2017-02-13 14:08:06
● 2019-02-22 02:01:34
● 2026-03-25 23:25:50

●NSdns16.hichina.com2019-02-22 → 2026-03-25 · 3 obs

○ 2017-02-13 14:08:06
● 2019-02-22 02:01:34
● 2026-03-25 23:25:50

○NSdns9.hichina.com2015-12-30 → 2016-06-18 · 4 obs

● 2015-12-30 22:17:48
● 2016-06-18 09:54:02
○ 2017-02-13 14:08:06
○ 2026-03-25 23:25:50

●MXmxbiz1.qq.com2019-02-22 → 2026-03-25 · 2 obs

● 2019-02-22 02:01:34
● 2026-03-25 23:25:50

●MXmxbiz2.qq.com2019-02-22 → 2026-03-25 · 2 obs

● 2019-02-22 02:01:34
● 2026-03-25 23:25:50

○A114.55.41.512019-02-22 → 2019-02-22 · 3 obs

● 2019-02-22 02:01:34
○ 2026-02-20 21:49:58
○ 2026-03-25 23:25:50

●A47.110.241.2192026-02-20 → 2026-03-25 · 3 obs

○ 2019-02-22 02:01:34
● 2026-02-20 21:49:58
● 2026-03-25 23:25:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	k.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net...	-
77du.net	dns15.hichina.com, dns16.hichina.com	-

✅ Authoritative Response

Server:39.96.153.52

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 77du.net (unsigned zone)

⏱️ Timing

Total: 1134ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.110.241.219`
NS	2	`dns15.hichina.com, dns16.hichina.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`_globalsign-domain-verification=a20uzMXq`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

77du.net resolves to one IP number: 47.110.241.219.

other host names including beijixiong.com, sh.jjrw.com, sc.jjrw.com, js.jjrw.com and norbear.com share IP numbers with 77du.net.

Name Servers

77du.net is delegated to two name servers dns15.hichina.com and dns16.hichina.com.

77du.net shares the same name server setup as other domains, for instance xinghe-gpt.com, cdddl.com, dmtoday.cn, ttfx.cn and dao-hang.com.

77du.net shares name servers with other domains at least partially, for example dgjiuhuan.com and airoppo.com.

These name servers are commonly used alongside expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns15.hichina.com points to: 2408:4009:501::23, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

dns16.hichina.com points to: 2408:4009:501::24, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

Mail Servers

Two mail servers handle 77du.net: mxbiz1.qq.com and mxbiz2.qq.com.

77du.net shares the same mail server setup as other domains, for instance mcyyy.com, yuemao.cn, kangdarich.com, air-union.com and universe888.com.

77du.net shares some mail servers with other domains, at least partially, for instance thenextravelmarket.com, kingmeei.com, outree.com, kyushu-ucn.net and seekerl.com.

77du.net - robtex.com

77du.net

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