networkingcourse.com - dns.ninja
networkingcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.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=1781308823 | ||||||
Same first word
networkingcourse.com |
Similar names
DNS History
4 records (3 active, 1 former)
●NSns.buydomains.com2026-06-13 → 2026-06-13 · 1 obs
●NSthis-domain-for-sale.com2026-06-13 → 2026-06-13 · 1 obs
●A207.148.248.1432015-11-11 → 2026-06-13 · 3 obs
● 2015-11-11 20:23:54
● 2026-06-13 00:05:08
○A66.151.181.492015-07-02 → 2015-07-02 · 3 obs
○ 2015-11-11 20:23:54
○ 2026-06-13 00:05:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| networkingcourse.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.4.207.204
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for networkingcourse.com (unsigned zone)
⏱️ Timing
Total: 376ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
IP Addresses
networkingcourse.com resolves to just one IP address, 207.148.248.143.
Two other host names, along with www.alliancefrance.com, host80.toyth.com and www.gishler.com, also share IP numbers with networkingcourse.com.
Name Servers
networkingcourse.com is served by two delegated name servers, this-domain-for-sale.com and ns.buydomains.com.
networkingcourse.com shares its NS records with other domains, for example academico.net, moremusic.net, speakingfinance.com and two others.
networkingcourse.com partially shares its name servers with domains like hotelfurnitureliquidator.com and wifos.com.
this-domain-for-sale.com and ns.buydomains.com share one IP address between them — 52.20.26.87.
These two host names — this-domain-for-sale.com and ns.buydomains.com — each point to 52.20.26.87 IP addresses.