system2thinking.io - dns.ninja
system2thinking.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 34.74.148.146🇺🇸 Google34.74.144.0/20 | ||||||
| PTR | 146.148.74.34.bc.googleusercontent.com | ||||||
| NS | ns19.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21d0::a🇺🇸 GODADDY-DNS2603:5:21d0::/44 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| A | 97.74.109.10🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| NS | ns20.domaincontrol.com | ||||||
| A | 2603:5:22d0::a🇺🇸 GODADDY-DNS2603:5:22d0::/44 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| A | 173.201.77.10🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| MX | mail.system2thinking.io ⭐ | ||||||
| A | 185.249.225.62🇩🇪 CONTABO185.249.225.0/24 | ||||||
| PTR | mailer.system2thinking.io | ||||||
| MX | mx.server.system2thinking.io(10) | ||||||
| A | 45.151.123.140🇩🇪 CONTABO45.151.123.0/24 | ||||||
| PTR | server.system2thinking.io | ||||||
| TXT | v=spf1 a mx ip4:185.249.225.62 include:spf.server.system2thinking.io ~all | ||||||
| SOA | ns19.domaincontrol.comdns@jomax.net 2025-11-16 #0 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1788612218 | ||||||
Subdomains
Same first word
system2thinking.io |
system2thinking.org |
system2thinking.com |
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns19.domaincontrol.com2026-07-11 → 2026-09-05 · 2 obs
● 2026-09-05 13:50:02
●NSns20.domaincontrol.com2026-07-11 → 2026-09-05 · 2 obs
● 2026-09-05 13:50:02
●MXmail.system2thinking.io2026-07-11 → 2026-09-05 · 2 obs
● 2026-09-05 13:50:02
●MXmx.server.system2thinking.io2026-07-11 → 2026-09-05 · 2 obs
● 2026-09-05 13:50:02
●A34.74.148.1462026-07-11 → 2026-09-05 · 2 obs
● 2026-09-05 13:50:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| system2thinking.io | ns19.domaincontrol.com, ns20.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.109.10
NS records: ns19.domaincontrol.com, ns20.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for system2thinking.io (unsigned zone)
⏱️ Timing
Total: 338ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.74.148.146 |
| NS | 2 | ns19.domaincontrol.com, ns20.domaincontrol.com |
| MX | 2 | mail.system2thinking.io (pri: 5), mx.server.system2thinking.io (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:185.249.225.62 include:s |
| SOA | 1 | ns19.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
mail.system2thinking.io and mailer.system2thinking.io are both subdomains of system2thinking.io.
IP Addresses
system2thinking.io resolves to one IP address: 34.74.148.146.
Other host names, such as 146.148.74.34.bc.googleusercontent.com, share IP numbers with system2thinking.io.
Name Servers
system2thinking.io is delegated to two name servers: ns19.domaincontrol.com and ns20.domaincontrol.com.
system2thinking.io uses the same name servers as several other domains — among them merge-wise.com, oakridgeforest.net, rvrallycenter.net and two more.
system2thinking.io shares at least some of its name servers with other domains, such as urpower.org.
ns19.domaincontrol.com and ns20.domaincontrol.com each resolve to two IP addresses: ns19.domaincontrol.com points to 97.74.109.10 and 2603:5:21d0::a, while ns20.domaincontrol.com points to 173.201.77.10 and 2603:5:22d0::a.
Mail Servers
Mail for system2thinking.io is handled by two mail servers — mail.system2thinking.io and mx.server.system2thinking.io.
system2thinking.io and other domains — coralcoresettlement.com for instance — share at least some mail servers.
This set of mail servers commonly appears together with the mail servers mail.coralcoresettlement.com.
mail.system2thinking.io → 185.249.225.62 and mx.server.system2thinking.io → 45.151.123.140: one IP number per host name.