51combo.com - robtex.com
51combo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.129.19.210🇸🇬 Amazon47.128.0.0/14 EC2 SIN Prefix | ||||||
| PTR | ec2-47-129-19-210.ap-southeast-1.compute.amazonaws.com | ||||||
| NS | ns7.alidns.com ⭐ | ||||||
| A | 2408:4009:501::3🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.47🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.57🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.207🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.217🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.47🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.57🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.117🇨🇳 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 | 139.224.142.127🇨🇳 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 | ns8.alidns.com | ||||||
| A | 2408:4009:501::4🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.48🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.58🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.208🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.218🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.48🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.58🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.101🇨🇳 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 | 139.224.142.118🇨🇳 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.larksuite.com ⭐ | ||||||
| A | 18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com | ||||||
| MX | mx2.larksuite.com(5) | ||||||
| A | 18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com | ||||||
| MX | mx3.larksuite.com(10) | ||||||
| A | 18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com | ||||||
| A | 101.126.58.223🇨🇳 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 | 122.14.230.154🇨🇳 CHINAMOBILE-CN122.14.224.0/20 | ||||||
| TXT | v=spf1 +include:spf.onlarksuite.com -all | ||||||
| TXT | verification-code-site-App_lark=iD0wSt9Ac57HVe79k4kG | ||||||
| TXT | _globalsign-domain-verification=wwe-ciSL-J8QZ2flY89OISTG4D1o1IcZA8D4I2xBnf | ||||||
| SOA | ns7.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=1771291435 | ||||||
Similar names
DNS History
6 records (6 active, 0 former)
●NSns7.alidns.com2026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 08:58:02
●NSns8.alidns.com2026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 08:58:02
●MXmx1.larksuite.com2026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 08:58:02
●MXmx2.larksuite.com2026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 08:58:02
●MXmx3.larksuite.com2026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 08:58:02
●A47.129.19.2102026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 08:58:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 51combo.com | ns7.alidns.com, ns8.alidns.com | 18 records |
✅ Authoritative Response
Server: 120.76.107.48
NS records: ns7.alidns.com, ns8.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51combo.com (unsigned zone)
⏱️ Timing
Total: 3587ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.129.19.210 |
| NS | 2 | ns8.alidns.com, ns7.alidns.com |
| MX | 3 | mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)... |
| TXT | 3 | _globalsign-domain-verification=wwe-ciSL, v=spf1 +include:spf.onlarksuite.com -all... |
| SOA | 1 | ns7.alidns.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (ns7.alidns.com, ns7.alidns.com, ns7.alidns.com...)
AI analysis
51combo.com points to a single IP: 47.129.19.210.
Other host names, such as comboinvestment.com, share IP numbers with 51combo.com.
Two name servers ns7.alidns.com and ns8.alidns.com handle delegation for 51combo.com.
51combo.com uses the same name server setup as other domains, for example sdlcssjy.com, 43b35b865a7e8b8c.com, latetrain.cn, tutudaily.com and herxheim.cn.
51combo.com partially shares name servers with other domains; examples include tstongtu.com, wheatgenomics.org, sdnfv.org, roge.us and 4480ysw.com.
These name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com, ns2.alidns.com, dns7.hichina.com and dns8.hichina.com.
Host names with nine IP numbers:
ns7.alidns.com points to: 2408:4009:501::3, 39.96.153.47, 39.96.153.57, 47.118.199.207, 47.118.199.217, 120.76.107.47, 120.76.107.57, 139.224.142.117 and 139.224.142.127.
ns8.alidns.com points to: 2408:4009:501::4, 39.96.153.48, 39.96.153.58, 47.118.199.208, 47.118.199.218, 120.76.107.48, 120.76.107.58, 139.224.142.101 and 139.224.142.118.
51combo.com is handled by three mail servers: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.
51combo.com shares some mail servers with other domains, at least partially, such as alexischan.com, cpn.vn, luositan.com, sportscooker.com and ntun.cn.
Host names with three IP numbers:
mx3.larksuite.com points to 18.139.153.173, 101.126.58.223 and 122.14.230.154.
Host names with one IP number:
mx1.larksuite.com points to 18.139.153.173, mx2.larksuite.com points to 18.139.153.173.
Host names that point to 18.139.153.173: mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com.