hvacstudy.com - dns.ninja
hvacstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | a2aa9ff50de748dbe.awsglobalaccelerator.com | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns21.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2141::b🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| A | 97.74.100.11🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| NS | ns22.domaincontrol.com | ||||||
| A | 2603:5:2241::b🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| A | 173.201.68.11🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| SOA | ns21.domaincontrol.comdns@jomax.net 2025-08-11 #0 | ||||||
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=1786574529 | ||||||
Same first word
hvacstudy.com |
DNS History
9 records (4 active, 5 former)
●NSns21.domaincontrol.com2026-04-06 → 2026-08-12 · 3 obs
● 2026-04-06 14:47:18
● 2026-08-12 22:48:34
●NSns22.domaincontrol.com2026-04-06 → 2026-08-12 · 3 obs
● 2026-04-06 14:47:18
● 2026-08-12 22:48:34
○NSns47.domaincontrol.com2016-12-13 → 2017-07-05 · 4 obs
● 2017-07-05 23:23:10
○ 2026-04-06 14:47:18
○ 2026-08-12 22:48:34
○NSns48.domaincontrol.com2016-12-13 → 2017-07-05 · 4 obs
● 2017-07-05 23:23:10
○ 2026-04-06 14:47:18
○ 2026-08-12 22:48:34
○MXmailstore1.secureserver.net2016-12-13 → 2017-07-05 · 4 obs
● 2017-07-05 23:23:10
○ 2026-04-06 14:47:18
○ 2026-08-12 22:48:34
○MXsmtp.secureserver.net2016-12-13 → 2017-07-05 · 4 obs
● 2017-07-05 23:23:10
○ 2026-04-06 14:47:18
○ 2026-08-12 22:48:34
●A15.197.148.332026-04-06 → 2026-08-12 · 3 obs
● 2026-04-06 14:47:18
● 2026-08-12 22:48:34
○A198.101.65.2392016-12-13 → 2017-07-05 · 4 obs
● 2017-07-05 23:23:10
○ 2026-04-06 14:47:18
○ 2026-08-12 22:48:34
●A3.33.130.1902026-04-06 → 2026-08-12 · 3 obs
● 2026-04-06 14:47:18
● 2026-08-12 22:48:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| hvacstudy.com | ns21.domaincontrol.com, ns22.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.100.11
NS records: ns21.domaincontrol.com, ns22.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hvacstudy.com (unsigned zone)
⏱️ Timing
Total: 313ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns21.domaincontrol.com, ns22.domaincontrol.com |
| SOA | 1 | ns21.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)
Analysis
IP Addresses
hvacstudy.com has two IP addresses: 3.33.130.190 and 15.197.148.33
Two other host names, along with neyachtworks.com, ecobiobag.com and weddingvenuesintoronto.com, also share IP numbers with hvacstudy.com.
Name Servers
The NS records for hvacstudy.com delegate to ns21.domaincontrol.com and ns22.domaincontrol.com.
hvacstudy.com shares its NS records with other domains, for example socialdetour.net, farbeyond.com, aegray.com and two others.
ns21.domaincontrol.com resolves to 97.74.100.11 and 2603:5:2141::b. Likewise, ns22.domaincontrol.com resolves to 173.201.68.11 and 2603:5:2241::b — two IP addresses apiece.