51itcto.com - robtex.com
51itcto.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.253.97.51🇿🇦 HKIDC-AS-AP156.253.64.0/18 AresIDC Limited | ||||||
| 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=1727403051 | ||||||
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=1774986052 | ||||||
Subdomains
www.51itcto.com |
Same first word
51itcto.com |
DNS History
6 records (3 active, 3 former)
●NSa.share-dns.com2026-03-31 → 2026-03-31 · 2 obs
● 2026-03-31 19:44:46
●NSb.share-dns.net2026-03-31 → 2026-03-31 · 2 obs
● 2026-03-31 19:44:46
○NSdns13.hichina.com2015-07-08 → 2017-10-02 · 3 obs
● 2017-10-02 19:40:52
○ 2026-03-31 19:44:46
○NSdns14.hichina.com2015-07-08 → 2017-10-02 · 3 obs
● 2017-10-02 19:40:52
○ 2026-03-31 19:44:46
○A114.113.224.1132015-07-08 → 2017-10-02 · 3 obs
● 2017-10-02 19:40:52
○ 2026-03-31 19:44:46
●A156.253.97.512026-03-31 → 2026-03-31 · 2 obs
● 2026-03-31 19:44:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 51itcto.com | a.share-dns.com, b.share-dns.net | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: a.share-dns.com, b.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51itcto.com (unsigned zone)
⏱️ Timing
Total: 176ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.253.97.51 |
| 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 (a.share-dns.com)
Analysis
Hierarchy
51itcto.com is a parent of www.51itcto.com.
IP Addresses
51itcto.com points to a single IP address: 156.253.97.51.
Other host names, for instance www.51itcto.com, share IP numbers with 51itcto.com.
Name Servers
51itcto.com is delegated to two name servers: a.share-dns.com and b.share-dns.net.
51itcto.com uses the same name server setup as other domains, including jnkpyg.com, 186938.com, bjtiemo.cn, cnbobei.com and vip2222.net.
At least part of the name servers for 51itcto.com are shared with other domains, for instance nkrei.com, bcjzcn.com, netarafta.com, brochina.com and 106666d.com.
these name servers are commonly used with the name servers a12.share-dns.com, b12.share-dns.net, a9.share-dns.com, b9.share-dns.net, a11.share-dns.com, b11.share-dns.net, a5.share-dns.com, b5.share-dns.net, a6.share-dns.com and b6.share-dns.net.
Hostnames with a single IP
a.share-dns.com resolves to: 172.64.53.25.
b.share-dns.net resolves to: 172.64.52.239.