stackmath.online - dns.ninja
stackmath.online
| DNSSEC | ⚠️ Not signed | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| NS | ns39.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21d1::14🇺🇸 GODADDY-DNS2603:5:21d0::/44 | ||||||
| PTR | ns39.domaincontrol.com | ||||||
| A | 97.74.109.20🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns39.domaincontrol.com | ||||||
| NS | ns40.domaincontrol.com | ||||||
| A | 2603:5:22d1::14🇺🇸 GODADDY-DNS2603:5:22d0::/44 | ||||||
| PTR | ns40.domaincontrol.com | ||||||
| A | 173.201.77.20🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns40.domaincontrol.com | ||||||
| TXT | google-site-verification=sBiqL8NOnFZwDPxJG9r3WJl_HX5Df1ytVOho63a_KMk | ||||||
| SOA | ns39.domaincontrol.comdns@jomax.net 2026-05-24 #6 | ||||||
online
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1791802417 | ||||||
Same first word
stackmath.online |
stackmath.xyz |
stackmath.com |
Similar names
Previous names
Next names
DNS History
3 records (3 active, 0 former)
●NSns39.domaincontrol.com2026-09-26 → 2026-10-12 · 2 obs
● 2026-10-12 10:58:50
●NSns40.domaincontrol.com2026-09-26 → 2026-10-12 · 2 obs
● 2026-10-12 10:58:50
●A76.76.21.212026-09-26 → 2026-10-12 · 2 obs
● 2026-10-12 10:58:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| online | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | 8 records |
| stackmath.online | ns39.domaincontrol.com, ns40.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.77.20
NS records: ns39.domaincontrol.com, ns40.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stackmath.online (unsigned zone)
⏱️ Timing
Total: 725ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 2 | ns39.domaincontrol.com, ns40.domaincontrol.com |
| TXT | 1 | google-site-verification=sBiqL8NOnFZwDPx |
| SOA | 1 | ns39.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org...)
Analysis
IP Addresses
stackmath.online points to a single IP number: 76.76.21.21.
Additional host names — cqqthb.com, viefkwartier.nl, wqzfxd.cn and two others — share IP numbers with stackmath.online.
Name Servers
stackmath.online is served by two delegated name servers, ns39.domaincontrol.com and ns40.domaincontrol.com.
stackmath.online shares its name server setup with other domains, including clearpathwaysolution.info, jeepfiesta.com, georgiaboringcontractors.com and two others.
Each of the two host names carries two IP addresses: ns39.domaincontrol.com points to 97.74.109.20 and 2603:5:21d1::14, and ns40.domaincontrol.com points to 173.201.77.20 and 2603:5:22d1::14.