`sihai.com`

DNSSEC	⚠️ Not signed
A	180.76.132.80^{🇨🇳 Baidu180.76.128.0/19}
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	`hzmx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
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=1774376642

Same first word

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DNS History

10 records (5 active, 5 former)

●NSdns7.hichina.com2015-08-01 → 2026-03-24 · 2 obs

● 2015-08-01 05:47:18
● 2026-03-24 18:43:22

●NSdns8.hichina.com2015-08-01 → 2026-03-24 · 2 obs

● 2015-08-01 05:47:18
● 2026-03-24 18:43:22

●MXhzmx01.mxmail.netease.com2026-02-27 → 2026-03-24 · 3 obs

○ 2018-01-12 22:29:14
● 2026-02-27 12:57:34
● 2026-03-24 18:43:22

●MXhzmx02.mxmail.netease.com2026-02-27 → 2026-03-24 · 3 obs

○ 2018-01-12 22:29:14
● 2026-02-27 12:57:34
● 2026-03-24 18:43:22

○MXmx01.263xmail.com2015-08-01 → 2016-10-23 · 4 obs

● 2015-08-01 05:47:18
● 2016-10-23 19:36:58
○ 2018-01-12 22:29:14
○ 2026-03-24 18:43:22

○MXmxbiz1.qq.com2018-01-12 → 2018-01-12 · 4 obs

○ 2016-10-23 19:36:58
● 2018-01-12 22:29:14
○ 2026-02-27 12:57:34
○ 2026-03-24 18:43:22

○MXmxbiz2.qq.com2018-01-12 → 2018-01-12 · 4 obs

○ 2016-10-23 19:36:58
● 2018-01-12 22:29:14
○ 2026-02-27 12:57:34
○ 2026-03-24 18:43:22

●A180.76.132.802026-02-27 → 2026-03-24 · 3 obs

○ 2018-01-12 22:29:14
● 2026-02-27 12:57:34
● 2026-03-24 18:43:22

○A192.126.119.1922018-01-12 → 2018-01-12 · 4 obs

○ 2016-10-23 19:36:58
● 2018-01-12 22:29:14
○ 2026-02-27 12:57:34
○ 2026-03-24 18:43:22

○A64.78.168.1392015-08-01 → 2016-10-23 · 4 obs

● 2015-08-01 05:47:18
● 2016-10-23 19:36:58
○ 2018-01-12 22:29:14
○ 2026-03-24 18:43:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sihai.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 sihai.com (unsigned zone)

⏱️ Timing

Total: 607ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`180.76.132.80`
NS	2	`dns8.hichina.com, dns7.hichina.com`
MX	2	`hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5)`
TXT	1	`v=spf1 include:spf.163.com -all`
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

IP Addresses

sihai.com points to a single IP: 180.76.132.80.

Other host names such as ctmm.net, tjqyco.com, www.ctmm.net and w080.vh.cnolnic.org share IP numbers with sihai.com.

Name Servers

sihai.com's delegation is to two name servers dns7.hichina.com and dns8.hichina.com.

sihai.com shares the same name server configuration as other domains, such as fayverse.com, sjy999.com, wolfcul.com, xiruiyun.com and zgsipo.com.

sihai.com shares name servers with other domains at least partially, for instance drzw.net, pzbuy.com and ebeco.xyz.

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

Two mail servers hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com handle sihai.com.

sihai.com uses the same mail server setup as other domains such as topstox.com, szmade.com, advancetubing.com, fortechmedical.com and raloda.com.

sihai.com shares at least some mail servers with other domains, for instance hnsbbq.com and cqsxdzgc.com.

Host names with two IP numbers:

The host names hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com point to 47.251.71.119 and 47.251.84.126.

Host names that point to 47.251.71.119: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

Host names that point to 47.251.84.126: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

sihai.com - robtex.com

sihai.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`sihai.com`

`com`