721681.com - robtex.com
721681.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.221.161.237🇺🇸 ESITED-1104.221.128.0/17 ARIN direct allocation | ||||||
| NS | a.share-dns.com ⭐ | ||||||
| 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 | ||||||
| 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 | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1766058169 | ||||||
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
721681.com |
Similar names
DNS History
12 records (3 active, 9 former)
●NSa.share-dns.com2026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 19:55:14
●NSb.share-dns.net2026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 19:55:14
○MXmail.skrimple.com2017-09-12 → 2017-09-12 · 2 obs
○ 2026-03-15 19:55:14
○A103.232.215.1382017-09-12 → 2017-09-12 · 2 obs
○ 2026-03-15 19:55:14
●A104.221.161.2372026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 19:55:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 721681.com | a.share-dns.com, b.share-dns.net | 1 record |
✅ Authoritative Response
Server: 172.64.52.239
NS records: a.share-dns.com, b.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 721681.com (unsigned zone)
⏱️ Timing
Total: 215ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.221.161.237 |
| 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 (a.share-dns.com)
Analysis
IP Addresses
721681.com points to a single IP: 104.221.161.237.
Other host names such as shuangchengkq.com and shandongdianji.com share IP numbers with 721681.com.
Name Servers
Two name servers a.share-dns.com and b.share-dns.net handle delegation for 721681.com.
721681.com uses the same name server setup as other domains, for example chizaijinzhai.com, yuyichina.com, hao66666.com, electa-usa.com and ybsny.com.
721681.com partially shares name servers with other domains; examples include 29670.com, spencerobinson.net, 18comic-ch.vip, hsoft-sy.com and zm-flower.com.
These name servers are commonly used alongside a12.share-dns.com, b12.share-dns.net, a9.share-dns.com, b9.share-dns.net, a8.share-dns.com, b8.share-dns.net, a5.share-dns.com, b5.share-dns.net, a2.share-dns.com and b2.share-dns.net.
Host names with one IP number: The host name a.share-dns.com points to 172.64.53.25 and the host name b.share-dns.net points to 172.64.52.239.