sf7521.com - robtex.com
sf7521.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.186.45.164🇺🇸 AS395776192.186.45.0/24 SKBroadband customer route | ||||||
| NS | ns1.dns.com ⭐ | ||||||
| A | 2001:df2:f080:2::1:1🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.23.191.128🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.128🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.dns.com | ||||||
| A | 2001:df2:f080:2::1:2🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.23.191.129🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.129🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| SOA | ns1.dns.comadmin@dns.com serial=1768152139 | ||||||
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=1774443967 | ||||||
Same first word
sf7521.com |
Similar names
DNS History
3 records (3 active, 0 former)
●A192.186.45.1642026-03-07 → 2026-03-25 · 2 obs
● 2026-03-25 13:24:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net... | - |
| sf7521.com | ns1.dns.com, ns2.dns.com | 6 records |
✅ Authoritative Response
Server:154.23.191.128
NS records: ns1.dns.com, ns2.dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sf7521.com (unsigned zone)
⏱️ Timing
Total: 236ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.186.45.164 |
| NS | 2 | ns1.dns.com, ns2.dns.com |
| SOA | 1 | ns1.dns.com admin.dns.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.dns.com, ns1.dns.com, ns1.dns.com...)
Analysis
IP Addresses
sf7521.com resolves to one IP number: 192.186.45.164.
Other host names, for instance bwjy-edu.com, listcent.com, hcxian.com, chinagjws.com and bjxxjjedu.com share IP numbers with sf7521.com.
Name Servers
sf7521.com's delegation uses two name servers: ns1.dns.com and ns2.dns.com.
sf7521.com uses the same name server setup as other domains, such as edugrids.com, 1182012.com, xvbvc.cyou, 90.ag and dyjds.com.
sf7521.com shares name servers with other domains at least partially, for example itubsoft.com and 8511.com.
Host names with three IP numbers:
The host name ns1.dns.com resolves to 2001:df2:f080:2::1:1, 154.23.191.128 and 154.86.21.128.
The host name ns2.dns.com resolves to 2001:df2:f080:2::1:2, 154.23.191.129 and 154.86.21.129.