cstru.com - robtex.com
cstru.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 | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| NS | a11.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 | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| 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 | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| NS | b11.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 | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
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=1771291435 | ||||||
Same first word
cstru.com |
Similar names
DNS History
10 records (4 active, 6 former)
●NSa.share-dns.com2026-03-11 → 2026-03-11 · 3 obs
● 2026-03-11 15:43:12
● 2026-03-11 15:43:14
●NSa11.share-dns.com2026-03-11 → 2026-03-11 · 3 obs
● 2026-03-11 15:43:12
● 2026-03-11 15:43:14
●NSb.share-dns.net2026-03-11 → 2026-03-11 · 3 obs
● 2026-03-11 15:43:12
● 2026-03-11 15:43:14
●NSb11.share-dns.net2026-03-11 → 2026-03-11 · 3 obs
● 2026-03-11 15:43:12
● 2026-03-11 15:43:14
○NSdns10.hichina.com2015-07-26 → 2020-01-07 · 4 obs
● 2020-01-07 14:30:54
○ 2026-02-16 08:30:44
○ 2026-03-11 15:43:14
○NSdns9.hichina.com2015-07-26 → 2020-01-07 · 4 obs
● 2020-01-07 14:30:54
○ 2026-02-16 08:30:44
○ 2026-03-11 15:43:14
○NSns1.judns.com2026-02-16 → 2026-02-27 · 5 obs
● 2026-02-16 08:30:44
● 2026-02-27 23:51:28
○ 2026-03-11 15:43:12
○ 2026-03-11 15:43:14
○NSns1.julydns.com2026-02-16 → 2026-02-27 · 5 obs
● 2026-02-16 08:30:44
● 2026-02-27 23:51:28
○ 2026-03-11 15:43:12
○ 2026-03-11 15:43:14
○NSns2.judns.com2026-02-16 → 2026-02-27 · 5 obs
● 2026-02-16 08:30:44
● 2026-02-27 23:51:28
○ 2026-03-11 15:43:12
○ 2026-03-11 15:43:14
○NSns2.julydns.com2026-02-16 → 2026-02-27 · 5 obs
● 2026-02-16 08:30:44
● 2026-02-27 23:51:28
○ 2026-03-11 15:43:12
○ 2026-03-11 15:43:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cstru.com | b11.share-dns.net, a11.share-dns.com | 1 record |
✅ Authoritative Response
Server: 172.64.53.25
NS records: b11.share-dns.net, a11.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cstru.com (unsigned zone)
⏱️ Timing
Total: 584ms | 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 (a11.share-dns.com)
Analysis
Name Servers
cstru.com delegates to four name servers: a11.share-dns.com, a.share-dns.com, b11.share-dns.net and b.share-dns.net.
cstru.com at least partially shares name servers with other domains, for instance guguteam.com, smti-inc.com, kaiyunkaiyun.cc, lcxljg.com and dingxindongli.com.
these name servers are commonly used with a6.share-dns.com, b6.share-dns.net, a12.share-dns.com, b12.share-dns.net, a7.share-dns.com, b7.share-dns.net, ns1.gname-dns.com, ns2.gname-dns.com, a5.share-dns.com and b5.share-dns.net.
Hostnames with one IP:
a11.share-dns.com resolves to 172.64.53.25.
a.share-dns.com resolves to 172.64.53.25.
b11.share-dns.net resolves to 172.64.52.239.
b.share-dns.net resolves to 172.64.52.239.
Hostnames resolving to 172.64.53.25: a11.share-dns.com and a.share-dns.com.
Hostnames resolving to 172.64.52.239: b11.share-dns.net and b.share-dns.net.