f-course.com - dns.ninja
f-course.com
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=1785839632 | ||||||
Same first word
f-course.com |
Similar names
focus-re.de |
eco-surf.cl |
re-focus.de |
f-source.com |
focus-re.pl |
re-focus.net |
re-focus.ch |
re-focus.com.au |
re-focus.org |
eco-surf.com |
re-focus.ca |
DNS History
6 records (3 active, 3 former)
●NSns1.reg.ru2026-03-09 → 2026-08-04 · 3 obs
● 2026-03-09 22:36:34
● 2026-08-04 11:00:10
●NSns2.reg.ru2026-03-09 → 2026-08-04 · 3 obs
● 2026-03-09 22:36:34
● 2026-08-04 11:00:10
○NSns27.domaincontrol.com2019-12-17 → 2019-12-17 · 3 obs
○ 2026-03-09 22:36:34
○ 2026-08-04 11:00:10
○NSns28.domaincontrol.com2019-12-17 → 2019-12-17 · 3 obs
○ 2026-03-09 22:36:34
○ 2026-08-04 11:00:10
●A176.57.65.1622026-03-09 → 2026-08-04 · 3 obs
● 2026-03-09 22:36:34
● 2026-08-04 11:00:10
○A92.53.64.2382019-12-17 → 2019-12-17 · 3 obs
○ 2026-03-09 22:36:34
○ 2026-08-04 11:00:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| f-course.com | ns1.reg.ru, ns2.reg.ru | - |
✅ Authoritative Response
Server:176.99.13.11
NS records: ns1.reg.ru, ns2.reg.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for f-course.com (unsigned zone)
⏱️ Timing
Total: 998ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 176.57.65.162 |
| NS | 2 | ns1.reg.ru, ns2.reg.ru |
| SOA | 1 | ns1.reg.ru hostmaster.ns1.reg.ru |
Analysis
IP Addresses
f-course.com points to a single IP number: 176.57.65.162.
Additional host names — diagramm.ru, asyamaslova.com, folding-knife.ru and two others — share IP numbers with f-course.com.
Name Servers
f-course.com uses two name servers for its delegation: ns1.reg.ru and ns2.reg.ru.
f-course.com shares its name server setup with other domains, including qjmotor-russia.com, shadow.su, thecash.ru and two others.
Host names with 10 IP numbers:
Hostname ns1.reg.ru directs to 176.99.13.11, 176.99.13.13 and 176.99.13.15 along with 7 other IP addresses.
Hostname ns2.reg.ru directs to 176.99.13.12, 176.99.13.14 and 176.99.13.16 along with 7 other IP addresses.