hamtestprep.com - robtex.com
hamtestprep.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=1793331826 | ||||||
Same first word
hamtestprep.com |
Similar names
Previous names
Next names
DNS History
6 records (5 active, 1 former)
●NSns1.aoindustries.com2015-06-02 → 2026-10-30 · 2 obs
● 2026-10-30 03:56:30
●NSns2.aoindustries.com2015-06-02 → 2026-10-30 · 2 obs
● 2026-10-30 03:56:30
●NSns3.aoindustries.com2026-08-29 → 2026-10-30 · 3 obs
● 2026-08-29 21:57:26
● 2026-10-30 03:56:30
●NSns4.aoindustries.com2026-08-29 → 2026-10-30 · 3 obs
● 2026-08-29 21:57:26
● 2026-10-30 03:56:30
○MXmail.hamtestprep.com2015-06-02 → 2017-04-18 · 4 obs
● 2017-04-18 10:35:32
○ 2026-08-29 21:57:26
○ 2026-10-30 03:56:30
●A66.160.183.712015-06-02 → 2026-10-30 · 2 obs
● 2026-10-30 03:56:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| hamtestprep.com | ns1.aoindustries.com, ns2.aoindustries.com, ns3.aoindustries.com, ns4.aoindustries.com | 4 records |
✅ Authoritative Response
Server:54.227.142.173
NS records: ns1.aoindustries.com, ns2.aoindustries.com, ns3.aoindustries.com, ns4.aoindustries.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hamtestprep.com (unsigned zone)
⏱️ Timing
Total: 583ms | 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
hamtestprep.com directs to one IP number, which is 66.160.183.71.
Among the host names that share IP numbers with hamtestprep.com are hamcourseonline.com, www.hamtestonline.com, www.hamradiolicenseexam.com and two others.
Name Servers
The domain hamtestprep.com is delegated to these four name servers: ns1.aoindustries.com, ns2.aoindustries.com, ns3.aoindustries.com and ns4.aoindustries.com.
hamtestprep.com shares at least some of its name servers with other domains, including dogeatdogenterprises.com, pilottestonline.com, watervillechess.com and two others.
These name servers are frequently seen alongside the name servers ns5.aoindustries.com, ns2.kattare.com, ns4.kattare.com and ns1.kattare.com.
ns1.aoindustries.com resolves to 66.160.183.2. ns2.aoindustries.com resolves to 54.227.142.173. ns3.aoindustries.com resolves to 64.71.144.2. ns4.aoindustries.com resolves to 64.62.174.2. All four hosts carry exactly one IP address.