learnstack.io - robtex.com
learnstack.io
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=1789166722 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
8 records (8 active, 0 former)
●NSdns1.registrar-servers.com2026-09-09 → 2026-09-11 · 2 obs
● 2026-09-11 23:29:08
●NSdns2.registrar-servers.com2026-09-09 → 2026-09-11 · 2 obs
● 2026-09-11 23:29:08
●MXeforward1.registrar-servers.com2026-09-09 → 2026-09-11 · 2 obs
● 2026-09-11 23:29:08
●MXeforward2.registrar-servers.com2026-09-09 → 2026-09-11 · 2 obs
● 2026-09-11 23:29:08
●MXeforward3.registrar-servers.com2026-09-09 → 2026-09-11 · 2 obs
● 2026-09-11 23:29:08
●MXeforward4.registrar-servers.com2026-09-09 → 2026-09-11 · 2 obs
● 2026-09-11 23:29:08
●MXeforward5.registrar-servers.com2026-09-09 → 2026-09-11 · 2 obs
● 2026-09-11 23:29:08
●A76.76.21.212026-09-09 → 2026-09-11 · 2 obs
● 2026-09-11 23:29:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, b0.nic.io, a2.nic.io, c0.nic.io | - |
| learnstack.io | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for learnstack.io (unsigned zone)
⏱️ Timing
Total: 941ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 2 | v=spf1 include:spf.efwd.registrar-server, google-site-verification=tSAiqRPv2UQs5jR |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
IP Addresses
learnstack.io points to a single IP number: 76.76.21.21.
Additional host names — acewatt.com, demoday.africa, norinavi.net and two others — share IP numbers with learnstack.io.
Name Servers
DNS delegation for learnstack.io points to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.
learnstack.io shares its name server setup with other domains, including workout-world.com, mejlgade.com, oldvibe.xyz and two others.
dns1.registrar-servers.com directs to 156.154.132.200 and 2610:a1:1024::200. dns2.registrar-servers.com directs to 156.154.133.200 and 2610:a1:1025::200. Each host name carries two IP addresses.
Mail Servers
learnstack.io has five mail servers, which are eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.
learnstack.io shares mail servers — at least in part — with other domains, including holisticgrowthforhealthyliving.lat, neurovista.store, signalovernoise.ai and two others.
It is common to find these mail servers used together with the mail servers eforward4.registrar-servers.com and eforward5.registrar-servers.com.
Host names pointing to a single IP address:
eforward1.registrar-servers.com directs to 162.255.118.51.
eforward2.registrar-servers.com directs to 162.255.118.52.
eforward3.registrar-servers.com directs to 162.255.118.51.
eforward4.registrar-servers.com directs to 162.255.118.52.
eforward5.registrar-servers.com directs to 162.255.118.51.
eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com are host names that all point to 162.255.118.51.
Host names pointing to 162.255.118.52 IP addresses: eforward2.registrar-servers.com and eforward4.registrar-servers.com.