hamcourse.com - dns.ninja
hamcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.160.183.71🇺🇸 HURRICANE66.160.128.0/18 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | www2.fc.softwaremiracles.com | ||||||
| NS | ns1.aoindustries.com ⭐ | ||||||
| A | 66.160.183.2🇺🇸 HURRICANE66.160.128.0/18 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns1.aoindustries.com | ||||||
| NS | ns2.aoindustries.com | ||||||
| A | 54.227.142.173🇺🇸 Amazon54.226.0.0/15 EC2 IAD prefix | ||||||
| PTR | ns2.aoindustries.com | ||||||
| NS | ns3.aoindustries.com | ||||||
| A | 64.71.144.2🇺🇸 HURRICANE64.71.128.0/18 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| NS | ns4.aoindustries.com | ||||||
| A | 64.62.174.2🇺🇸 HURRICANE64.62.128.0/18 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns4.aoindustries.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.aoindustries.comhostmaster@aoindustries.com 2018-07-13 #7 | ||||||
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=1786900854 | ||||||
Same first word
hamcourse.com |
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DNS History
6 records (5 active, 1 former)
●NSns1.aoindustries.com2015-07-14 → 2026-08-16 · 2 obs
● 2026-08-16 17:30:52
●NSns2.aoindustries.com2015-07-14 → 2026-08-16 · 2 obs
● 2026-08-16 17:30:52
●NSns3.aoindustries.com2026-02-19 → 2026-08-16 · 3 obs
● 2026-02-19 08:35:24
● 2026-08-16 17:30:52
●NSns4.aoindustries.com2026-02-19 → 2026-08-16 · 3 obs
● 2026-02-19 08:35:24
● 2026-08-16 17:30:52
○MXmail.hamcourse.com2015-07-14 → 2017-04-07 · 4 obs
● 2017-04-07 01:59:58
○ 2026-02-19 08:35:24
○ 2026-08-16 17:30:52
●A66.160.183.712015-07-14 → 2026-08-16 · 2 obs
● 2026-08-16 17:30:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| hamcourse.com | ns1.aoindustries.com, ns2.aoindustries.com, ns3.aoindustries.com, ns4.aoindustries.com | 4 records |
✅ Authoritative Response
Server:64.62.174.2
NS records: ns1.aoindustries.com, ns2.aoindustries.com, ns3.aoindustries.com, ns4.aoindustries.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hamcourse.com (unsigned zone)
⏱️ Timing
Total: 199ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.160.183.71 |
| NS | 4 | ns3.aoindustries.com, ns1.aoindustries.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.aoindustries.com hostmaster.aoindust |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.aoindustries.com, ns2.aoindustries.com, ns3.aoindustries.com...)
Analysis
IP Addresses
hamcourse.com resolves to one IP address: 66.160.183.71.
hamclass.com, www.hamtestonline.com, www2.fc.softwaremiracles.com and two other host names share IP numbers with hamcourse.com.
Name Servers
The authoritative name servers for hamcourse.com are ns1.aoindustries.com, ns2.aoindustries.com, ns3.aoindustries.com and ns4.aoindustries.com.
hamcourse.com shares at least some of its name servers with other domains, including jcheck.com, devenezia.com, tyrellcheck.com and two others.
These name servers are frequently seen alongside the name servers ns5.aoindustries.com.
Each of the four hosts ns1.aoindustries.com, ns2.aoindustries.com, ns3.aoindustries.com and ns4.aoindustries.com points to a single IP address — ns1.aoindustries.com points to 66.160.183.2, ns2.aoindustries.com points to 54.227.142.173, ns3.aoindustries.com points to 64.71.144.2 and ns4.aoindustries.com points to 64.62.174.2.