51csid.com - robtex.com
51csid.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.254.47.88🇭🇰 OWGELS-AS-AP156.254.32.0/19 Starbow Ltd | ||||||
| NS | a7.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b7.share-dns.net ⚠️ Not in parent delegation | ||||||
| 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=1769072628 | ||||||
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=1785561797 | ||||||
Same first word
51csid.com |
DNS History
5 records (5 active, 0 former)
●NSa.share-dns.com2026-04-29 → 2026-08-01 · 2 obs
● 2026-08-01 05:27:32
●NSa7.share-dns.com2026-04-29 → 2026-08-01 · 2 obs
● 2026-08-01 05:27:32
●NSb.share-dns.net2026-04-29 → 2026-08-01 · 2 obs
● 2026-08-01 05:27:32
●NSb7.share-dns.net2026-04-29 → 2026-08-01 · 2 obs
● 2026-08-01 05:27:32
●A156.254.47.882026-04-29 → 2026-08-01 · 2 obs
● 2026-08-01 05:27:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net... | - |
| 51csid.com | b7.share-dns.net, a7.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b7.share-dns.net, a7.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51csid.com (unsigned zone)
⏱️ Timing
Total: 341ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.254.47.88 |
| 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 (a7.share-dns.com)
Analysis
IP Addresses
51csid.com has exactly one IP address — 156.254.47.88.
zhongda001.com, feishikuang.com, shzhongkai.com plus two other host names have IP numbers in common with 51csid.com.
Name Servers
Four name servers handle the delegation for 51csid.com: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.
51csid.com has at least partial name server overlap with other domains, such as nbjqm.com, jdss-culture.com, xiangtanhao.com and two others.
a9.share-dns.com, b9.share-dns.net and a12.share-dns.com — plus 7 other name servers — are commonly paired with these name servers.
a7.share-dns.com and a.share-dns.com share the IP address 172.64.53.25; b7.share-dns.net and b.share-dns.net share the IP address 172.64.52.239.
These two host names — a7.share-dns.com and a.share-dns.com — each point to 172.64.53.25 IP addresses.
These two host names — b7.share-dns.net and b.share-dns.net — each point to 172.64.52.239 IP addresses.