3721zx.com - robtex.com
3721zx.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 | a8.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 | b8.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=1785843127 | ||||||
Same first word
3721zx.com |
DNS History
15 records (4 active, 11 former)
●NSa.share-dns.com2026-03-22 → 2026-08-04 · 3 obs
● 2026-03-22 22:31:50
● 2026-08-04 11:51:04
●NSa8.share-dns.com2026-03-22 → 2026-08-04 · 3 obs
● 2026-03-22 22:31:50
● 2026-08-04 11:51:04
●NSb.share-dns.net2026-03-22 → 2026-08-04 · 3 obs
● 2026-03-22 22:31:50
● 2026-08-04 11:51:04
●NSb8.share-dns.net2026-03-22 → 2026-08-04 · 3 obs
● 2026-03-22 22:31:50
● 2026-08-04 11:51:04
○NSdns25.hichina.com2015-07-20 → 2015-07-20 · 3 obs
○ 2015-11-25 06:01:38
○ 2026-08-04 11:51:04
○NSdns26.hichina.com2015-07-20 → 2015-07-20 · 3 obs
○ 2015-11-25 06:01:38
○ 2026-08-04 11:51:04
○NSexpire1.gname-dns.com2026-02-19 → 2026-02-20 · 5 obs
● 2026-02-19 02:44:58
● 2026-02-20 23:07:18
○ 2026-03-22 22:31:50
○ 2026-08-04 11:51:04
○NSexpire2.gname-dns.com2026-02-19 → 2026-02-20 · 5 obs
● 2026-02-19 02:44:58
● 2026-02-20 23:07:18
○ 2026-03-22 22:31:50
○ 2026-08-04 11:51:04
○NSjm1.dns.com2021-12-18 → 2021-12-18 · 4 obs
● 2021-12-18 08:52:24
○ 2026-02-19 02:44:58
○ 2026-08-04 11:51:04
○NSjm2.dns.com2021-12-18 → 2021-12-18 · 4 obs
● 2021-12-18 08:52:24
○ 2026-02-19 02:44:58
○ 2026-08-04 11:51:04
○NSns1.julydns.com2026-02-19 → 2026-08-04 · 2 obs
○ 2026-08-04 11:51:04
○NSns2.julydns.com2026-02-19 → 2026-08-04 · 2 obs
○ 2026-08-04 11:51:04
○A118.99.28.742026-02-19 → 2026-08-04 · 2 obs
○ 2026-08-04 11:51:04
○A156.226.213.1872021-12-18 → 2021-12-18 · 3 obs
○ 2026-02-19 02:44:58
○ 2026-08-04 11:51:04
○CNAMEexp.gs-cdn.com2026-02-19 → 2026-02-20 · 4 obs
● 2026-02-20 23:07:18
○ 2026-03-22 22:31:50
○ 2026-08-04 11:51:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 3721zx.com | b8.share-dns.net, a8.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: b8.share-dns.net, a8.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3721zx.com (unsigned zone)
⏱️ Timing
Total: 205ms | 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 (a8.share-dns.com)
Analysis
Name Servers
The domain 3721zx.com is delegated to these four name servers: a8.share-dns.com, a.share-dns.com, b8.share-dns.net and b.share-dns.net.
3721zx.com partially shares its NS delegation with several other domains, including 73990a.com, sjpx66.com, khghtdhdf.shop and two others.
In DNS configurations, these name servers often share authority with a12.share-dns.com, b12.share-dns.net, a4.share-dns.com and 7 other name servers.
Each of a8.share-dns.com, a.share-dns.com, b8.share-dns.net and b.share-dns.net has a single IP address — a8.share-dns.com and a.share-dns.com direct to 172.64.53.25, and b8.share-dns.net and b.share-dns.net direct to 172.64.52.239.
Host names pointing to 172.64.53.25 IP addresses: a8.share-dns.com and a.share-dns.com.
Host names pointing to 172.64.52.239 IP addresses: b8.share-dns.net and b.share-dns.net.