sharpcore.cn - dns.ninja
sharpcore.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.82.47.52🇭🇰 OWGELS-AS-AP154.82.32.0/19 Starbow Ltd | ||||||
| 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=1779691271 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035013798 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
●NSa.share-dns.com2026-02-21 → 2026-07-07 · 2 obs
● 2026-07-07 12:42:28
●NSb.share-dns.net2026-02-21 → 2026-07-07 · 2 obs
● 2026-07-07 12:42:28
●A154.82.47.522026-05-28 → 2026-07-07 · 3 obs
● 2026-05-28 08:44:14
● 2026-07-07 12:42:28
○A156.226.85.762026-02-21 → 2026-05-05 · 4 obs
● 2026-05-05 05:12:54
○ 2026-05-28 08:44:14
○ 2026-07-07 12:42:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, a.dns.cn, b.dns.cn... | - |
| sharpcore.cn | a.share-dns.com, b.share-dns.net | - |
✅ 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 sharpcore.cn (unsigned zone)
⏱️ Timing
Total: 543ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.82.47.52 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
Analysis
IP Addresses
sharpcore.cn has exactly one IP address — 154.82.47.52.
Name Servers
sharpcore.cn is served by two delegated name servers, a.share-dns.com and b.share-dns.net.
The name server configuration of sharpcore.cn is shared with other domains, for instance muzhihuashi.com, lb258.com, zjkia.com and two others.
There is at least partial name server overlap between sharpcore.cn and other domains — mathsama.com, jtfxfk.com, 23x2.com and two more among them.
These name servers regularly appear alongside a12.share-dns.com, b12.share-dns.net, a6.share-dns.com and 7 other name servers in NS record sets.
a.share-dns.com → 172.64.53.25 and b.share-dns.net → 172.64.52.239: one IP number per host name.