51zts.com - robtex.com
51zts.com
| CNAME | expired.hichina.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.218.208.240🇭🇰 Alibaba-Cloud8.218.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 47.76.127.217🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object | ||||||
| A | 47.91.170.222🇭🇰 Alibaba-Cloud47.91.128.0/18 Alibaba Cloud | ||||||
| NS | ns1.alidns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2408:4009:501::1🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.45🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.55🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.205🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.215🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.45🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.55🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.115🇨🇳 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 | 139.224.142.125🇨🇳 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 | ns2.alidns.com ⚠️ Not in parent delegation | ||||||
| A | 2408:4009:501::2🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.46🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.56🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.206🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.216🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.46🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.56🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.116🇨🇳 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 | 139.224.142.126🇨🇳 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, | ||||||
| SOA | ns1.alidns.comhostmaster@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.netnstld@verisign-grs.com serial=1774770612 | ||||||
Subdomains
cdn.51zts.com |
Same first word
51zts.com |
Similar names
DNS History
9 records (5 active, 4 former)
●NSdns23.hichina.com2017-05-08 → 2026-03-29 · 2 obs
● 2026-03-29 07:53:42
●NSdns24.hichina.com2017-05-08 → 2026-03-29 · 2 obs
● 2026-03-29 07:53:42
●NSexpirens3.hichina.com2026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 07:53:40
● 2026-03-29 07:53:42
●NSexpirens4.hichina.com2026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 07:53:40
● 2026-03-29 07:53:42
○A139.129.218.532017-05-08 → 2017-05-08 · 3 obs
○ 2026-03-29 07:53:40
○ 2026-03-29 07:53:42
○A39.105.211.1952026-03-29 → 2026-03-29 · 2 obs
○ 2026-03-29 07:53:42
●CNAMEexpired.hichina.com2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 07:53:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net... | - |
| 51zts.com | expirens3.hichina.com, expirens4.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.33
NS records: expirens3.hichina.com, expirens4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51zts.com (unsigned zone)
⏱️ Timing
Total: 3623ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns23.hichina.com, dns24.hichina.com |
| CNAME | 1 | expired.hichina.com |
| SOA | 1 | dns23.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (expirens3.hichina.com, expirens3.hichina.com, expirens3.hichina.com...)
Analysis
Hierarchy
The parent of cdn.51zts.com is 51zts.com.
IP Addresses
51zts.com resolves to three IPs: 8.218.208.240, 47.76.127.217 and 47.91.170.222.
Other host names, such as expired.hichina.com, share IP numbers with 51zts.com.
Name Servers
Two name servers ns1.alidns.com and ns2.alidns.com handle delegation for 51zts.com.
51zts.com uses the same name server setup as other domains, for example hzfytpyyjx.com, e8ccf782f1010.beer, csquyou.com, hufuok.com and jiuzhai.com.
51zts.com partially shares name servers with other domains; examples include xiangxiang.gov.cn, mofeng.cn, gongboshi.org, easyhotel.com.cn and ydkjc.com.
These name servers are commonly used alongside dns17.hichina.com, dns18.hichina.com, dns10.hichina.com, dns9.hichina.com, dns3.hichina.com, dns4.hichina.com, dns15.hichina.com, dns16.hichina.com, ns7.alidns.com and ns8.alidns.com.
Host names with nine IP numbers:
ns1.alidns.com points to: 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.
ns2.alidns.com points to: 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.