`51kezuo.com`

DNSSEC	⚠️ Not signed
A	116.62.219.153^{🇨🇳 Alibaba-Cloud116.62.128.0/17 CNC Group CHINA169 Fujian Province Network Addresses from CNNIC(KUANCOM)}
NS	`dns25.hichina.com` ⭐
		A	2408:4009:501::33^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns26.hichina.com`
		A	2408:4009:501::34^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
TXT	`v=spf1 include:spf.mxhichina.com -all`
SOA	`dns25.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=1785171087

Same first word

51kezuo.com

DNS History

8 records (8 active, 0 former)

●NSdns25.hichina.com2018-05-15 → 2026-07-27 · 2 obs

● 2018-05-15 13:33:38
● 2026-07-27 16:59:54

●NSdns26.hichina.com2018-05-15 → 2026-07-27 · 2 obs

● 2018-05-15 13:33:38
● 2026-07-27 16:59:54

●MXmx1.qiye.aliyun.com2026-06-02 → 2026-07-27 · 3 obs

○ 2018-05-15 13:33:38
● 2026-06-02 14:05:10
● 2026-07-27 16:59:54

●MXmx2.qiye.aliyun.com2026-06-02 → 2026-07-27 · 3 obs

○ 2018-05-15 13:33:38
● 2026-06-02 14:05:10
● 2026-07-27 16:59:54

●MXmx3.qiye.aliyun.com2026-06-02 → 2026-07-27 · 3 obs

○ 2018-05-15 13:33:38
● 2026-06-02 14:05:10
● 2026-07-27 16:59:54

●MXmxn.mxhichina.com2018-05-15 → 2026-07-27 · 2 obs

● 2018-05-15 13:33:38
● 2026-07-27 16:59:54

●MXmxw.mxhichina.com2018-05-15 → 2026-07-27 · 2 obs

● 2018-05-15 13:33:38
● 2026-07-27 16:59:54

●A116.62.219.1532026-06-02 → 2026-07-27 · 2 obs

● 2026-06-02 14:05:10
● 2026-07-27 16:59:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51kezuo.com	dns25.hichina.com, dns26.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

NS records: dns25.hichina.com, dns26.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51kezuo.com (unsigned zone)

⏱️ Timing

Total: 3511ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.62.219.153`
NS	2	`dns25.hichina.com, dns26.hichina.com`
MX	5	`mx3.qiye.aliyun.com (pri: 15), mx2.qiye.aliyun.com (pri: 10)...`
TXT	2	`v=spf1 include:spf.mxhichina.com -all, v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`dns25.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns25.hichina.com, dns25.hichina.com, dns25.hichina.com...)

Analysis

IP Addresses

51kezuo.com resolves to one IP address: 116.62.219.153.

Name Servers

Two name servers handle the delegation for 51kezuo.com: dns25.hichina.com and dns26.hichina.com.

51kezuo.com uses the same name servers as several other domains — among them yuchen.pro, 55u.com, plep.cn and two more.

51kezuo.com has overlapping name servers with several other domains — among them 1-88.com, gaokaot.com, vitespen.info and geekgm.com.

These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.

Hostnames that resolve to 9 IP addresses:

dns25.hichina.com resolves to 39.96.153.39, 39.96.153.59 and 47.118.199.199 among others, with 6 other IP addresses in total.

dns26.hichina.com resolves to 39.96.153.37, 39.96.153.62 and 47.118.199.197 among others, with 6 other IP addresses in total.

Mail Servers

51kezuo.com has five mail servers, which are mxn.mxhichina.com, mxw.mxhichina.com, mx1.qiye.aliyun.com and two others.

51kezuo.com has at least partial mail server overlap with other domains such as pumama.com, maiyaj.com, deyainvest.com and two more.

The mail servers mx2.qiye.aliyun.com and mx3.qiye.aliyun.com are commonly paired with these mail servers.

Hostnames that resolve to two IP addresses:

mxn.mxhichina.com resolves to two addresses: 47.246.136.231 and 47.246.137.47.

mx3.qiye.aliyun.com resolves to two addresses: 47.246.136.231 and 47.246.137.47.

Hosts with just one IP address:

The hostname mxw.mxhichina.com resolves to 47.246.99.195.

The hostname mx1.qiye.aliyun.com resolves to 47.246.137.47.

The hostname mx2.qiye.aliyun.com resolves to 47.246.136.231.

The host names mxn.mxhichina.com, mx3.qiye.aliyun.com and mx2.qiye.aliyun.com each resolve to 47.246.136.231.

The host names mxn.mxhichina.com, mx3.qiye.aliyun.com and mx1.qiye.aliyun.com each resolve to 47.246.137.47.

51kezuo.com - robtex.com

51kezuo.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`51kezuo.com`

`com`