51duo.net - robtex.com
51duo.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.38.104.20🇺🇸 AS39882338.38.64.0/18 PEG TECH INC | ||||||
| NS | a.share-dns.com ⭐ | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1769400754 | ||||||
net
| 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=1777316886 | ||||||
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSa.share-dns.com2026-04-26 → 2026-04-27 · 3 obs
● 2026-04-26 22:38:36
● 2026-04-27 19:22:40
●NSb.share-dns.net2026-04-26 → 2026-04-27 · 3 obs
● 2026-04-26 22:38:36
● 2026-04-27 19:22:40
○NSdns10.hichina.com2017-01-04 → 2020-03-01 · 4 obs
● 2020-03-01 00:44:20
○ 2026-04-26 22:38:36
○ 2026-04-27 19:22:40
○NSdns9.hichina.com2017-01-04 → 2020-03-01 · 4 obs
● 2020-03-01 00:44:20
○ 2026-04-26 22:38:36
○ 2026-04-27 19:22:40
○A115.28.63.592017-01-04 → 2020-03-01 · 4 obs
● 2020-03-01 00:44:20
○ 2026-04-26 22:38:36
○ 2026-04-27 19:22:40
○A172.80.94.182026-04-26 → 2026-04-27 · 2 obs
○ 2026-04-27 19:22:40
●A38.38.104.202026-04-26 → 2026-04-27 · 3 obs
● 2026-04-26 22:38:36
● 2026-04-27 19:22:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | c.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net... | - |
| 51duo.net | a.share-dns.com, b.share-dns.net | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: a.share-dns.com, b.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51duo.net (unsigned zone)
⏱️ Timing
Total: 300ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.38.104.20 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (b.share-dns.net)
Analysis
IP Addresses
51duo.net resolves to a single IP: 38.38.104.20.
Other host names share IP numbers with 51duo.net; for instance 161771.com.
Name Servers
51duo.net has two name servers: a.share-dns.com and b.share-dns.net.
51duo.net shares the same name server setup as other domains, for example xmyaya.com, shukongedu.com, ichengxie.com, haop1.com and zhengdaofy.com.
51duo.net shares some name servers with other domains, for example idongyu.com, shopvpv.com, hgtourist.com, keregan.com and lvbaokang.com.
these name servers are often used with a12.share-dns.com, b12.share-dns.net, a3.share-dns.com, b3.share-dns.net, a4.share-dns.com, b4.share-dns.net, a11.share-dns.com, b11.share-dns.net, a9.share-dns.com and b9.share-dns.net.
Host names with a single IP:
a.share-dns.com points to 172.64.53.25
b.share-dns.net points to 172.64.52.239