ostech.us - dns.ninja
ostech.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 | 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 | ||||||
| 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 | verification-m3erh32ujyoastvophjvuz.ns101.verify.hn ⚠️ Not in zone NS records | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.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=1786753619 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSanuj.ns.cloudflare.com2017-08-16 → 2017-08-16 · 3 obs
○ 2026-05-19 01:25:54
○ 2026-08-15 00:52:38
○NSkristin.ns.cloudflare.com2017-08-16 → 2017-08-16 · 3 obs
○ 2026-05-19 01:25:54
○ 2026-08-15 00:52:38
●NSns1.afternic.com2026-05-19 → 2026-08-15 · 3 obs
● 2026-05-19 01:25:54
● 2026-08-15 00:52:38
●NSns2.afternic.com2026-05-19 → 2026-08-15 · 3 obs
● 2026-05-19 01:25:54
● 2026-08-15 00:52:38
●NSverification-m3erh32ujyoastvophjvuz.ns101.verify.hn2026-05-19 → 2026-08-15 · 3 obs
● 2026-05-19 01:25:54
● 2026-08-15 00:52:38
○A104.18.34.2522017-08-16 → 2017-08-16 · 3 obs
○ 2026-05-19 01:25:54
○ 2026-08-15 00:52:38
○A104.18.35.2522017-08-16 → 2017-08-16 · 3 obs
○ 2026-05-19 01:25:54
○ 2026-08-15 00:52:38
●A13.248.169.482026-05-19 → 2026-08-15 · 3 obs
● 2026-05-19 01:25:54
● 2026-08-15 00:52:38
○A2400:cb00:2048:1::6812:22fc2017-08-16 → 2017-08-16 · 3 obs
○ 2026-05-19 01:25:54
○ 2026-08-15 00:52:38
○A2400:cb00:2048:1::6812:23fc2017-08-16 → 2017-08-16 · 3 obs
○ 2026-05-19 01:25:54
○ 2026-08-15 00:52:38
●A76.223.54.1462026-05-19 → 2026-08-15 · 3 obs
● 2026-05-19 01:25:54
● 2026-08-15 00:52:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| ostech.us | ns2.afternic.com, ns1.afternic.com, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn | - |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns2.afternic.com, ns1.afternic.com, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ostech.us (unsigned zone)
⏱️ Timing
Total: 3390ms | 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
ostech.us directs to two IP numbers, 13.248.169.48 and 76.223.54.146
agent.getskylight.com, hikate.com, ns1.partsnote.com plus two other host names have IP numbers in common with ostech.us.
Name Servers
ostech.us is delegated to three name servers: ns1.afternic.com, ns2.afternic.com and verification-m3erh32ujyoastvophjvuz.ns101.verify.hn.
ostech.us shares at least some of its name servers with other domains, including websites.tools, mailexpo.fdbma.com, visionsky.com and two others.
These name servers are frequently paired with the name servers verification-urj2ap2akmgcchkhharttb.ns101.verify.hn and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.
ns1.afternic.com, ns2.afternic.com and verification-m3erh32ujyoastvophjvuz.ns101.verify.hn each resolve to two IP addresses: ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45; ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45; verification-m3erh32ujyoastvophjvuz.ns101.verify.hn resolves to 13.248.169.48 and 76.223.54.146.