coursesight.com - dns.ninja
coursesight.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.132.208.214🇬🇧 Microsoft51.132.0.0/16 | ||||||
| NS | ns1.rpl-dns.net ⭐ | ||||||
| A | 205.251.193.62🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-318.awsdns-39.com | ||||||
| NS | ns2.rpl-dns.net | ||||||
| A | 205.251.194.245🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-757.awsdns-30.net | ||||||
| NS | ns3.rpl-dns.net | ||||||
| A | 205.251.199.203🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1995.awsdns-57.co.uk | ||||||
| NS | ns4.rpl-dns.net | ||||||
| A | 205.251.196.94🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1118.awsdns-11.org | ||||||
| SOA | ns1.rpl-dns.nethostmaster@rpl-dns.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=1783237816 | ||||||
Same first word
coursesight.co.uk |
coursesight.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.rpl-dns.net2026-02-16 → 2026-07-05 · 2 obs
● 2026-07-05 08:02:44
●NSns2.rpl-dns.net2026-02-16 → 2026-07-05 · 2 obs
● 2026-07-05 08:02:44
●NSns3.rpl-dns.net2026-02-16 → 2026-07-05 · 2 obs
● 2026-07-05 08:02:44
●NSns4.rpl-dns.net2026-02-16 → 2026-07-05 · 2 obs
● 2026-07-05 08:02:44
●A51.132.208.2142026-02-16 → 2026-07-05 · 2 obs
● 2026-07-05 08:02:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| coursesight.com | ns1.rpl-dns.net, ns2.rpl-dns.net, ns3.rpl-dns.net, ns4.rpl-dns.net | - |
✅ Authoritative Response
Server:205.251.199.203
NS records: ns1.rpl-dns.net, ns2.rpl-dns.net, ns3.rpl-dns.net, ns4.rpl-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursesight.com (unsigned zone)
⏱️ Timing
Total: 567ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.132.208.214 |
| NS | 4 | ns1.rpl-dns.net, ns2.rpl-dns.net... |
| SOA | 1 | ns1.rpl-dns.net hostmaster.rpl-dns.net |
Analysis
IP Addresses
coursesight.com points to a single IP number: 51.132.208.214.
Name Servers
coursesight.com has four authoritative name servers: ns1.rpl-dns.net, ns2.rpl-dns.net, ns3.rpl-dns.net and ns4.rpl-dns.net.
The name servers of coursesight.com overlap at least partially with those of other domains — among them rplwebsites.net, railsentinel.co.uk, cscsreader.co.uk and two more.
ns1.rpl-dns.net, ns2.rpl-dns.net, ns3.rpl-dns.net and ns4.rpl-dns.net each resolve to one IP address: ns1.rpl-dns.net resolves to 205.251.193.62, ns2.rpl-dns.net resolves to 205.251.194.245, ns3.rpl-dns.net resolves to 205.251.199.203 and ns4.rpl-dns.net resolves to 205.251.196.94.