`51alpha.com`

DNSSEC	⚠️ Not signed
A	150.158.58.161^{🇨🇳 TENCENT-NET-AP150.158.0.0/18}
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 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	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 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	`mx1.qiye.aliyun.com` ⭐
		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	`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`
SOA	`dns9.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=1774480552

rank #544624 globally
rank #243595 in the tld

Same first word

51alpha.com

Similar names

alpha51.com

DNS History

12 records (6 active, 6 former)

●NSdns10.hichina.com2020-01-15 → 2026-03-25 · 3 obs

○ 2017-02-18 01:57:04
● 2020-01-15 06:10:44
● 2026-03-25 23:37:52

●NSdns9.hichina.com2020-01-15 → 2026-03-25 · 3 obs

○ 2017-02-18 01:57:04
● 2020-01-15 06:10:44
● 2026-03-25 23:37:52

○NSns1.sedoparking.com2015-07-25 → 2017-02-18 · 4 obs

● 2015-07-25 17:46:32
● 2017-02-18 01:57:04
○ 2020-01-15 06:10:44
○ 2026-03-25 23:37:52

○NSns2.sedoparking.com2015-07-25 → 2017-02-18 · 4 obs

● 2015-07-25 17:46:32
● 2017-02-18 01:57:04
○ 2020-01-15 06:10:44
○ 2026-03-25 23:37:52

○MXlocalhost2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-11 07:29:30
● 2017-02-18 01:57:04
○ 2020-01-15 06:10:44
○ 2026-03-25 23:37:52

○MXmail.nickstel.com2015-07-25 → 2016-07-11 · 4 obs

● 2015-07-25 17:46:32
● 2016-07-11 07:29:30
○ 2017-02-18 01:57:04
○ 2026-03-25 23:37:52

●MXmx1.qiye.aliyun.com2026-02-15 → 2026-03-25 · 3 obs

○ 2020-01-15 06:10:44
● 2026-02-15 08:38:38
● 2026-03-25 23:37:52

●MXmx2.qiye.aliyun.com2026-02-15 → 2026-03-25 · 3 obs

○ 2020-01-15 06:10:44
● 2026-02-15 08:38:38
● 2026-03-25 23:37:52

●MXmx3.qiye.aliyun.com2026-02-15 → 2026-03-25 · 3 obs

○ 2020-01-15 06:10:44
● 2026-02-15 08:38:38
● 2026-03-25 23:37:52

○A103.59.100.2272020-01-15 → 2020-01-15 · 4 obs

○ 2017-02-18 01:57:04
● 2020-01-15 06:10:44
○ 2026-02-15 08:38:38
○ 2026-03-25 23:37:52

●A150.158.58.1612026-02-15 → 2026-03-25 · 3 obs

○ 2020-01-15 06:10:44
● 2026-02-15 08:38:38
● 2026-03-25 23:37:52

○A72.52.4.902015-07-25 → 2017-02-18 · 4 obs

● 2015-07-25 17:46:32
● 2017-02-18 01:57:04
○ 2020-01-15 06:10:44
○ 2026-03-25 23:37:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net...	-
51alpha.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 632ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`150.158.58.161`
NS	2	`dns9.hichina.com, dns10.hichina.com`
MX	3	`mx2.qiye.aliyun.com (pri: 10), mx1.qiye.aliyun.com (pri: 5)...`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

IP Addresses

51alpha.com resolves to one IP number: 150.158.58.161.

Name Servers

51alpha.com is delegated to two name servers dns10.hichina.com and dns9.hichina.com.

51alpha.com shares the same name server setup as other domains, for instance vemee.com, sh-jjw.com, ntesbi.com, dmdns.cn and asdolls.com.

51alpha.com at least partially shares name servers with other domains, for instance tianqizhe.com.

Host names with nine IP numbers:

dns10.hichina.com points to: 2408:4009:501::18, 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.

dns9.hichina.com points to: 2408:4009:501::17, 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.

Mail Servers

51alpha.com is handled by three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

51alpha.com shares some mail servers with other domains, at least partially, for instance bestcbradio.com, crowe.cn, auto-made.com, celiafashion.com and gaiweichina.com.