mastertech.us - dns.ninja
mastertech.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns1.afternic.com ⭐ | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| NS | ns2.afternic.com | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1780952553 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.afternic.com2026-06-04 → 2026-06-08 · 2 obs
● 2026-06-08 21:35:58
●NSns2.afternic.com2026-06-04 → 2026-06-08 · 2 obs
● 2026-06-08 21:35:58
●A13.248.169.482026-06-04 → 2026-06-08 · 2 obs
● 2026-06-08 21:35:58
●A76.223.54.1462026-06-04 → 2026-06-08 · 2 obs
● 2026-06-08 21:35:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| mastertech.us | ns1.afternic.com, ns2.afternic.com | - |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastertech.us (unsigned zone)
⏱️ Timing
Total: 249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
Analysis
IP Addresses
mastertech.us points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Additional host names — aicape.com, stange.co, londonclassifieds.com and two others — share IP numbers with mastertech.us.
Name Servers
mastertech.us uses two name servers for its delegation: ns1.afternic.com and ns2.afternic.com.
mastertech.us shares its name server setup with other domains, including jubek.com, educasalud.com, hdcommunications.com and two others.
mastertech.us shares at least some of its name servers with other domains, including dnbag.com, soleli.com, catelist.com and two others.
These name servers are frequently seen alongside the name servers verification-u5ugznnkao2vvhbrmnciei.ns101.verify.hn.
The two host names ns1.afternic.com and ns2.afternic.com each have a pair of IP addresses: ns1.afternic.com has 97.74.98.69 and 2603:5:2126::45, and ns2.afternic.com has 173.201.66.69 and 2603:5:2226::45.