bestcnedu.com - robtex.com
bestcnedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 177.211.219.86🇧🇷 UNSPECIFIED160.0.0.0/3 | ||||||
| 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=1781402619 | ||||||
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=1785624697 | ||||||
Subdomains
www.bestcnedu.com |
Same first word
bestcnedu.com |
DNS History
8 records (5 active, 3 former)
●NSa.share-dns.com2026-06-30 → 2026-08-01 · 3 obs
● 2026-06-30 05:28:24
● 2026-08-01 23:11:26
●NSa2.share-dns.com2026-06-30 → 2026-08-01 · 3 obs
● 2026-06-30 05:28:24
● 2026-08-01 23:11:26
●NSb.share-dns.net2026-06-30 → 2026-08-01 · 3 obs
● 2026-06-30 05:28:24
● 2026-08-01 23:11:26
●NSb2.share-dns.net2026-06-30 → 2026-08-01 · 3 obs
● 2026-06-30 05:28:24
● 2026-08-01 23:11:26
○NSns1.julydns.com2026-05-21 → 2026-05-21 · 3 obs
○ 2026-06-30 05:28:24
○ 2026-08-01 23:11:26
○NSns2.julydns.com2026-05-21 → 2026-05-21 · 3 obs
○ 2026-06-30 05:28:24
○ 2026-08-01 23:11:26
○A122.246.1.1392026-05-21 → 2026-05-21 · 3 obs
○ 2026-06-30 05:28:24
○ 2026-08-01 23:11:26
●A177.211.219.862026-06-30 → 2026-08-01 · 3 obs
● 2026-06-30 05:28:24
● 2026-08-01 23:11:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bestcnedu.com | b2.share-dns.net, a2.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b2.share-dns.net, a2.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bestcnedu.com (unsigned zone)
⏱️ Timing
Total: 175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 177.211.219.86 |
| 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 (a2.share-dns.com)
Analysis
Hierarchy
www.bestcnedu.com is delegated beneath bestcnedu.com.
IP Addresses
bestcnedu.com resolves to one IP address: 177.211.219.86.
Name Servers
The authoritative name servers for bestcnedu.com are a2.share-dns.com, a.share-dns.com, b2.share-dns.net and b.share-dns.net.
There is at least partial name server overlap between bestcnedu.com and other domains — yinhandesign.com, ayjindou.com, 627net.com and two more among them.
These name servers regularly appear alongside a5.share-dns.com, b5.share-dns.net, a4.share-dns.com and 7 other name servers in NS record sets.
Four host names each point to one IP address: a2.share-dns.com and a.share-dns.com both point to 172.64.53.25, and b2.share-dns.net and b.share-dns.net both point to 172.64.52.239.
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.