stackmath.online - robtex.com
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=1791083914 | ||||||
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 → 2026-10-04 · 2 obs
● 2026-10-04 03:30:34
●NSns40.domaincontrol.com2026-09-26 → 2026-10-04 · 2 obs
● 2026-10-04 03:30:34
●A76.76.21.212026-09-26 → 2026-10-04 · 2 obs
● 2026-10-04 03:30:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| online | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | - |
| stackmath.online | ns39.domaincontrol.com, ns40.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.109.20
NS records: ns39.domaincontrol.com, ns40.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stackmath.online (unsigned zone)
⏱️ Timing
Total: 578ms | 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 |
Analysis
IP Addresses
stackmath.online resolves to one IP address: 76.76.21.21.
cqqthb.com, viefkwartier.nl, wqzfxd.cn and two other host names share IP numbers with stackmath.online.
Name Servers
stackmath.online has two authoritative name servers — ns39.domaincontrol.com and ns40.domaincontrol.com.
stackmath.online uses the same name servers as several other domains — among them clearpathwaysolution.info, jeepfiesta.com, georgiaboringcontractors.com and two more.
Both ns39.domaincontrol.com and ns40.domaincontrol.com have two IP addresses each. ns39.domaincontrol.com resolves to 97.74.109.20 and 2603:5:21d1::14; ns40.domaincontrol.com resolves to 173.201.77.20 and 2603:5:22d1::14.