`zhihuhouse.com`

DNSSEC	⚠️ Not signed
A	112.124.97.251^{🇨🇳 Alibaba-Cloud112.124.0.0/17}
NS	`dns19.hichina.com` ⭐
		A	2408:4009:501::27^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns20.hichina.com`
		A	2408:4009:501::28^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=dHjh1BWXCTXqrTJt3H4c`
SOA	`dns19.hichina.com`hostmaster@hichina.com 2026-05-28 #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=1784425442

Subdomains

bi.zhihuhouse.com

Same first word

zhihuhouse.com

Similar names

huishouzhe.com

zhehuishou.com

DNS History

9 records (6 active, 3 former)

●NSdns19.hichina.com2026-07-02 → 2026-07-19 · 3 obs

○ 2017-12-29 22:17:22
● 2026-07-02 22:42:34
● 2026-07-19 01:59:08

●NSdns20.hichina.com2026-07-02 → 2026-07-19 · 3 obs

○ 2017-12-29 22:17:22
● 2026-07-02 22:42:34
● 2026-07-19 01:59:08

○NSdns7.hichina.com2016-12-15 → 2017-12-29 · 4 obs

● 2016-12-15 16:27:28
● 2017-12-29 22:17:22
○ 2026-07-11 16:00:12
○ 2026-07-19 01:59:08

○NSdns8.hichina.com2016-12-15 → 2017-12-29 · 4 obs

● 2016-12-15 16:27:28
● 2017-12-29 22:17:22
○ 2026-07-02 22:42:34
○ 2026-07-19 01:59:08

●MXmx1.feishu.cn2026-07-02 → 2026-07-19 · 2 obs

● 2026-07-02 22:42:34
● 2026-07-19 01:59:08

●MXmx2.feishu.cn2026-07-02 → 2026-07-19 · 2 obs

● 2026-07-02 22:42:34
● 2026-07-19 01:59:08

●MXmx3.feishu.cn2026-07-02 → 2026-07-19 · 2 obs

● 2026-07-02 22:42:34
● 2026-07-19 01:59:08

●A112.124.97.2512026-07-02 → 2026-07-19 · 3 obs

○ 2017-12-29 22:17:22
● 2026-07-02 22:42:34
● 2026-07-19 01:59:08

○A121.42.94.2262016-12-15 → 2017-12-29 · 4 obs

● 2016-12-15 16:27:28
● 2017-12-29 22:17:22
○ 2026-07-02 22:42:34
○ 2026-07-19 01:59:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
zhihuhouse.com	dns19.hichina.com, dns20.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zhihuhouse.com (unsigned zone)

⏱️ Timing

Total: 607ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.124.97.251`
NS	2	`dns20.hichina.com, dns19.hichina.com`
MX	3	`mx2.feishu.cn (pri: 5), mx1.feishu.cn (pri: 1)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=dHjh1B`
SOA	1	`dns19.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns19.hichina.com, dns19.hichina.com, dns19.hichina.com...)

Analysis

Hierarchy

zhihuhouse.com is the parent zone for bi.zhihuhouse.com.

IP Addresses

zhihuhouse.com resolves to just one IP address, 112.124.97.251.

Name Servers

DNS delegation for zhihuhouse.com points to two name servers: dns19.hichina.com and dns20.hichina.com.

zhihuhouse.com shares its NS records with other domains, for example shxichuan.com, boyuenergy.com, zhenongyun.com and two others.

zhihuhouse.com partially shares its NS delegation with several other domains, including fangcao.net, jrjtl.com, chinask.com and two others.

The name servers ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com are often found in use alongside these name servers.

DNS names with 9 IP addresses:

dns19.hichina.com has IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, plus 6 other.

dns20.hichina.com has IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, plus 6 other.

Mail Servers

zhihuhouse.com uses three mail servers — mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

There is at least a partial MX overlap between zhihuhouse.com and other domains, including node227.com, rainchi.com, xinyifth.com and two others.

Hostnames that map to three IP numbers:

mx3.feishu.cn has IP addresses 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names that have two IP addresses:

mx2.feishu.cn has two IP addresses: 101.126.58.225 and 122.14.229.0.

Host names that point to one IP address:

mx1.feishu.cn directs to 52.220.106.220.

Host names pointing to 52.220.106.220 IP addresses: mx3.feishu.cn and mx1.feishu.cn.

Host names pointing to 101.126.58.225 IP addresses: mx3.feishu.cn and mx2.feishu.cn.

Host names pointing to 122.14.229.0 IP addresses: mx3.feishu.cn and mx2.feishu.cn.

zhihuhouse.com - robtex.com

zhihuhouse.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

IP Addresses

Name Servers

Mail Servers

`zhihuhouse.com`

`com`