fcourse.com - dns.ninja
fcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
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=1781583585 | ||||||
Same first word
fcourse.com |
Similar names
DNS History
11 records (4 active, 7 former)
○NShostmaster.dnsenable.com2016-11-26 → 2017-07-03 · 5 obs
● 2016-11-26 07:49:30
● 2017-07-03 08:10:44
○ 2026-03-23 17:33:04
○ 2026-06-16 04:33:06
●NSns1.afternic.com2026-03-23 → 2026-06-16 · 3 obs
● 2026-03-23 17:33:04
● 2026-06-16 04:33:06
○NSns1.dopa.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-08-19 02:35:38
○ 2026-06-16 04:33:06
●NSns2.afternic.com2026-03-23 → 2026-06-16 · 3 obs
● 2026-03-23 17:33:04
● 2026-06-16 04:33:06
○NSns2.dopa.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-08-19 02:35:38
○ 2026-06-16 04:33:06
○NSns3.dopa.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-08-19 02:35:38
○ 2026-06-16 04:33:06
○NSns4.dopa.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-08-19 02:35:38
○ 2026-06-16 04:33:06
●A13.248.169.482026-03-23 → 2026-06-16 · 3 obs
● 2026-03-23 17:33:04
● 2026-06-16 04:33:06
○A52.164.241.1102016-11-26 → 2017-07-03 · 5 obs
● 2016-11-26 07:49:30
● 2017-07-03 08:10:44
○ 2026-03-23 17:33:04
○ 2026-06-16 04:33:06
○A61.151.253.882008-03-16 → 2008-03-16 · 3 obs
○ 2015-08-19 02:35:38
○ 2026-06-16 04:33:06
●A76.223.54.1462026-03-23 → 2026-06-16 · 3 obs
● 2026-03-23 17:33:04
● 2026-06-16 04:33:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net... | - |
| fcourse.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fcourse.com (unsigned zone)
⏱️ Timing
Total: 199ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns2.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
fcourse.com has two IP addresses: 13.248.169.48 and 76.223.54.146
Additional host names — deckfor.com, 68089.cencei.com, mail.kingzway.com and two others — share IP numbers with fcourse.com.
Name Servers
fcourse.com uses two name servers for its delegation: ns1.afternic.com and ns2.afternic.com.
fcourse.com shares its name server setup with other domains, including www.killhost.com, creatorspace.net, jmnv.com and two others.
At least some of fcourse.com's name servers are shared with other domains, for example strategicconnections.com, welchinfra.link, synergies.co.uk and two more.
These name servers tend to co-occur with verification-vesbet7nkettdw2mc9cgox.ns101.verify.hn, verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn and 3 other name servers in the same DNS delegations.
The two host names ns1.afternic.com and ns2.afternic.com each have a pair of IP addresses: ns1.afternic.com has 97.74.98.69 and 2603:5:2126::45, and ns2.afternic.com has 173.201.66.69 and 2603:5:2226::45.