51810.com - robtex.com
51810.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.hichina.com ⭐ | ||||||
| A | 2408:4009:501::9🇨🇳 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 | dns2.hichina.com | ||||||
| A | 2408:4009:501::10🇨🇳 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 | mx.ym.163.com ⭐ | ||||||
| TXT | v=spf1 include:spf.163.com ~all | ||||||
| SOA | dns1.hichina.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=1784109832 | ||||||
Same first word
Similar names
DNS History
10 records (3 active, 7 former)
●NSdns1.hichina.com2026-07-13 → 2026-07-15 · 3 obs
● 2026-07-13 09:30:08
● 2026-07-15 10:32:46
●NSdns2.hichina.com2026-07-13 → 2026-07-15 · 3 obs
● 2026-07-13 09:30:08
● 2026-07-15 10:32:46
○NSns1.22.cn2015-08-22 → 2016-10-15 · 4 obs
● 2016-10-15 06:13:54
○ 2026-07-13 09:30:08
○ 2026-07-15 10:32:46
○NSns2.22.cn2015-08-22 → 2016-10-15 · 4 obs
● 2016-10-15 06:13:54
○ 2026-07-13 09:30:08
○ 2026-07-15 10:32:46
○NSns3.22.cn2015-08-22 → 2016-10-15 · 4 obs
● 2016-10-15 06:13:54
○ 2026-07-13 09:30:08
○ 2026-07-15 10:32:46
○NSns4.22.cn2015-08-22 → 2016-10-15 · 4 obs
● 2016-10-15 06:13:54
○ 2026-07-13 09:30:08
○ 2026-07-15 10:32:46
●MXmx.ym.163.com2015-08-22 → 2026-07-15 · 2 obs
● 2026-07-15 10:32:46
○A115.144.107.322016-04-04 → 2016-04-04 · 3 obs
○ 2016-10-15 06:13:54
○ 2026-07-15 10:32:46
○A43.240.237.2072016-10-15 → 2016-10-15 · 4 obs
● 2016-10-15 06:13:54
○ 2026-07-13 09:30:08
○ 2026-07-15 10:32:46
○CNAMEwww.webankoffices.com2016-04-04 → 2016-04-04 · 3 obs
○ 2016-10-15 06:13:54
○ 2026-07-15 10:32:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| 51810.com | dns2.hichina.com, dns1.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.44
NS records: dns2.hichina.com, dns1.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51810.com (unsigned zone)
⏱️ Timing
Total: 696ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns2.hichina.com, dns1.hichina.com |
| MX | 1 | mx.ym.163.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com ~all |
| SOA | 1 | dns1.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns2.hichina.com, dns2.hichina.com, dns2.hichina.com...)
Analysis
Name Servers
The NS records for 51810.com delegate to dns1.hichina.com and dns2.hichina.com.
51810.com shares its NS records with other domains, for example lecityservice.com, hfkjedu.com, yangshengtianxia.com and two others.
There is at least partial name server overlap between 51810.com and other domains — 173wyx.com, 7x24h.club, hyaivfx.com and two more among them.
These name servers frequently co-occur with the name servers expirens3.hichina.com and expirens4.hichina.com.
DNS names with 9 IP addresses:
dns1.hichina.com maps to 39.96.153.43, 39.96.153.63, 47.118.199.203 and 6 additional IP addresses.
dns2.hichina.com maps to 39.96.153.44, 39.96.153.54, 47.118.199.204 and 6 additional IP addresses.
Mail Servers
The sole mail server for 51810.com is mx.ym.163.com.
Among the domains sharing a mail server setup with 51810.com are boshimai.com, fullb.com, synergy-hk.com and two others.
51810.com partially shares its mail servers with other domains; known examples include ltjia.cn, sichtech.com and jexit.net.