51oss.com - robtex.com
51oss.com
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 | ||||||
Same first word
51oss.com |
Similar names
DNS History
10 records (7 active, 3 former)
○NSns1.cnolnic.net2008-03-15 → 2008-03-15 · 3 obs
○ 2015-07-17 10:07:38
○ 2026-03-23 21:09:32
●NSns11.bigwww.com2017-01-09 → 2026-03-23 · 3 obs
● 2017-01-09 03:19:10
● 2026-03-23 21:09:32
●NSns12.bigwww.com2026-02-26 → 2026-03-23 · 3 obs
● 2026-02-26 08:23:50
● 2026-03-23 21:09:32
●NSns13.bigwww.com2026-02-26 → 2026-03-23 · 3 obs
● 2026-02-26 08:23:50
● 2026-03-23 21:09:32
●NSns14.bigwww.com2026-02-26 → 2026-03-23 · 3 obs
● 2026-02-26 08:23:50
● 2026-03-23 21:09:32
●NSns15.bigwww.com2026-02-26 → 2026-03-23 · 3 obs
● 2026-02-26 08:23:50
● 2026-03-23 21:09:32
●NSns16.bigwww.com2026-02-26 → 2026-03-23 · 3 obs
● 2026-02-26 08:23:50
● 2026-03-23 21:09:32
○NSns2.cnolnic.net2008-03-15 → 2008-03-15 · 3 obs
○ 2015-07-17 10:07:38
○ 2026-03-23 21:09:32
○A205.164.14.892015-07-17 → 2016-05-05 · 5 obs
● 2015-07-17 10:07:38
● 2016-05-05 15:30:30
○ 2017-01-09 03:19:10
○ 2026-03-23 21:09:32
●A47.75.153.432026-02-26 → 2026-03-23 · 3 obs
● 2026-02-26 08:23:50
● 2026-03-23 21:09:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 51oss.com | ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com... | 10 records |
✅ Authoritative Response
Server:47.118.199.203
NS records: ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com, ns15.bigwww.com, ns16.bigwww.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51oss.com (unsigned zone)
⏱️ Timing
Total: 631ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.75.153.43 |
| NS | 2 | ns16.bigwww.com, ns15.bigwww.com |
| SOA | 1 | ns15.bigwww.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns11.bigwww.com, ns11.bigwww.com, ns11.bigwww.com...)
Analysis
IP Addresses
51oss.com points to a single IP number: 47.75.153.43.
Other host names like gloidc.com and dnren.com share IP numbers with 51oss.com.
Name Servers
51oss.com is delegated to six name servers: ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com, ns15.bigwww.com and ns16.bigwww.com.
51oss.com at least partially shares name servers with other domains, for instance hangxin56.com, lovebabamama.com, jiarebang.net, 51taonan.com and zwc.cn.
These name servers are commonly used with ens11.bigwww.com, ens12.bigwww.com, dns1.hichina.com and dns2.hichina.com.
Host names with three IPs:
ns11.bigwww.com points to 2408:4009:501::9, 39.96.153.43 and 47.118.199.203
ns12.bigwww.com points to 2408:4009:501::10, 120.76.107.43 and 139.224.142.113
Host names with one IP:
ns13.bigwww.com points to 47.118.199.203
ns14.bigwww.com points to 139.224.142.113
ns15.bigwww.com points to 39.96.153.43
ns16.bigwww.com points to 120.76.107.43
Host names that point to 39.96.153.43: ns11.bigwww.com and ns15.bigwww.com
Host names that point to 47.118.199.203: ns11.bigwww.com and ns13.bigwww.com
Host names that point to 120.76.107.43: ns12.bigwww.com and ns16.bigwww.com
Host names that point to 139.224.142.113: ns12.bigwww.com and ns14.bigwww.com