sunanedu.com - robtex.com
sunanedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | a9.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 | 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 | b9.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 | ||||||
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=1785143707 | ||||||
Same first word
sunanedu.com |
Similar names
DNS History
7 records (4 active, 3 former)
●NSa.share-dns.com2026-06-17 → 2026-07-27 · 3 obs
● 2026-06-17 00:15:22
● 2026-07-27 09:24:54
●NSa9.share-dns.com2026-06-17 → 2026-07-27 · 3 obs
● 2026-06-17 00:15:22
● 2026-07-27 09:24:54
●NSb.share-dns.net2026-06-17 → 2026-07-27 · 3 obs
● 2026-06-17 00:15:22
● 2026-07-27 09:24:54
●NSb9.share-dns.net2026-06-17 → 2026-07-27 · 3 obs
● 2026-06-17 00:15:22
● 2026-07-27 09:24:54
○NSdns15.hichina.com2015-07-18 → 2017-05-20 · 4 obs
● 2017-05-20 16:24:28
○ 2026-06-17 00:15:22
○ 2026-07-27 09:24:54
○NSdns16.hichina.com2015-07-18 → 2017-05-20 · 4 obs
● 2017-05-20 16:24:28
○ 2026-06-17 00:15:22
○ 2026-07-27 09:24:54
○A180.96.24.1022015-07-18 → 2017-05-20 · 4 obs
● 2017-05-20 16:24:28
○ 2026-06-17 00:15:22
○ 2026-07-27 09:24:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| sunanedu.com | b9.share-dns.net, a9.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: b9.share-dns.net, a9.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sunanedu.com (unsigned zone)
⏱️ Timing
Total: 391ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.share-dns.com, b.share-dns.net |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a9.share-dns.com)
Analysis
Name Servers
sunanedu.com has four authoritative name servers: a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.
sunanedu.com has at least partial name server overlap with other domains, such as 23981101.com, wjgs.net, zzlongshi.com and two others.
a7.share-dns.com, b7.share-dns.net and a12.share-dns.com — plus 7 other name servers — are commonly paired with these name servers.
a9.share-dns.com and a.share-dns.com each resolve to 172.64.53.25, while b9.share-dns.net and b.share-dns.net each resolve to 172.64.52.239.
The host names a9.share-dns.com and a.share-dns.com both resolve to 172.64.53.25 IP addresses.
The host names b9.share-dns.net and b.share-dns.net both resolve to 172.64.52.239 IP addresses.