sci-doc.com.cn - robtex.com
sci-doc.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.220.120.164🇭🇰 MYCLOUD-AS-AP154.220.64.0/18 CloudFly Net Inc Pending | ||||||
| NS | a2.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 | b2.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=1769493560 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030697454 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSa.share-dns.com2026-04-29 → 2026-07-20 · 2 obs
● 2026-07-20 16:02:30
●NSa2.share-dns.com2026-04-29 → 2026-07-20 · 2 obs
● 2026-07-20 16:02:30
●NSb.share-dns.net2026-04-29 → 2026-07-20 · 2 obs
● 2026-07-20 16:02:30
●NSb2.share-dns.net2026-04-29 → 2026-07-20 · 2 obs
● 2026-07-20 16:02:30
●A154.220.120.1642026-04-29 → 2026-07-20 · 2 obs
● 2026-07-20 16:02:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| sci-doc.com.cn | a2.share-dns.com, b2.share-dns.net | - |
✅ Authoritative Response
Server:172.64.52.239
NS records: a2.share-dns.com, b2.share-dns.net
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at sci-doc.com.cn: Error: DNS query timeout: 203.119.29.1 for DS sci-doc.com.cn
⏱️ Timing
Total: 3605ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.220.120.164 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
Analysis
IP Addresses
sci-doc.com.cn resolves to just one IP address, 154.220.120.164.
Name Servers
The NS records for sci-doc.com.cn point to four name servers: a2.share-dns.com, a.share-dns.com, b2.share-dns.net and b.share-dns.net.
sci-doc.com.cn shares at least some of its name servers with other domains, including 8389app.com, runxiangchunmian.com, 6148dhw.com and two others.
These name servers are frequently seen alongside a11.share-dns.com, b11.share-dns.net, a3.share-dns.com and 7 other name servers.
a2.share-dns.com resolves to 172.64.53.25, as does a.share-dns.com. b2.share-dns.net resolves to 172.64.52.239, as does b.share-dns.net.
a2.share-dns.com and a.share-dns.com each have 172.64.53.25 IP addresses.
b2.share-dns.net and b.share-dns.net each have 172.64.52.239 IP addresses.