mainframeok.com - robtex.com
mainframeok.com
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=1784056132 | ||||||
Same first word
mainframeok.com |
DNS History
5 records (5 active, 0 former)
●NSns21.domaincontrol.com2026-06-14 → 2026-07-14 · 2 obs
● 2026-07-14 19:15:30
●NSns22.domaincontrol.com2026-06-14 → 2026-07-14 · 2 obs
● 2026-07-14 19:15:30
●MXmainframeok-com.mail.protection.outlook.com2026-06-14 → 2026-07-14 · 2 obs
● 2026-07-14 19:15:30
●A13.248.243.52026-06-14 → 2026-07-14 · 2 obs
● 2026-07-14 19:15:30
●A76.223.105.2302026-06-14 → 2026-07-14 · 2 obs
● 2026-07-14 19:15:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mainframeok.com | ns21.domaincontrol.com, ns22.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.68.11
NS records: ns21.domaincontrol.com, ns22.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mainframeok.com (unsigned zone)
⏱️ Timing
Total: 91ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns21.domaincontrol.com, ns22.domaincontrol.com |
| MX | 1 | mainframeok-com.mail.protection.outlook. |
| TXT | 2 | NETORGFT13820044.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| 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
mainframeok.com resolves to the IP addresses 13.248.243.5 and 76.223.105.230
Additional host names — nsrs.net, lirion.capital, beauticaskincare.com and two others — share IP numbers with mainframeok.com.
Name Servers
mainframeok.com has two authoritative name servers — ns21.domaincontrol.com and ns22.domaincontrol.com.
mainframeok.com shares its name server setup with other domains, including womenmakethings10xbetter.com, kj808.com, micozzimanagement.com and two others.
Both ns21.domaincontrol.com and ns22.domaincontrol.com have two IP addresses each. ns21.domaincontrol.com resolves to 97.74.100.11 and 2603:5:2141::b; ns22.domaincontrol.com resolves to 173.201.68.11 and 2603:5:2241::b.
Mail Servers
mainframeok.com has one mail server: mainframeok-com.mail.protection.outlook.com.
mainframeok-com.mail.protection.outlook.com points to 8 IP numbers: 40.93.192.4, 52.101.40.6, 52.101.41.21 and 5 other.