allcourses.io - robtex.com
allcourses.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=1774765430 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A158.160.50.82026-03-06 → 2026-03-29 · 2 obs
● 2026-03-29 06:35:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| allcourses.io | ns1.reg.ru, ns2.reg.ru | - |
✅ Authoritative Response
Server:176.99.13.11
NS records: ns1.reg.ru, ns2.reg.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for allcourses.io (unsigned zone)
⏱️ Timing
Total: 1048ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 158.160.50.8 |
| NS | 2 | ns1.reg.ru, ns2.reg.ru |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 2 | v=spf1 redirect=_spf.mail.ru, mailru-domain: nhcHuvWEefSYxSwi |
| SOA | 1 | ns1.reg.ru hostmaster.ns1.reg.ru |
Analysis
IP Addresses
allcourses.io resolves to a single IP address: 158.160.50.8.
Name Servers
allcourses.io's delegation uses two name servers, ns1.reg.ru and ns2.reg.ru.
allcourses.io shares the same name server setup as other domains, for example avelia.ru, malev.ru, fwon.ru, 1eko.ru and homenest.ru.
allcourses.io at least partially shares name servers with other domains; for instance bookwing.ru.
Host names with ten IP numbers:
ns1.reg.ru points to: 2a00:f940:9::1:1, 2a00:f940:9::2:1, 176.99.13.11, 176.99.13.13, 176.99.13.15, 176.99.13.17, 194.58.117.11, 194.58.117.13, 194.58.117.15 and 194.58.117.17.
ns2.reg.ru points to: 2a00:f940:9::1:2, 2a00:f940:9::2:2, 176.99.13.12, 176.99.13.14, 176.99.13.16, 176.99.13.18, 194.58.117.12, 194.58.117.14, 194.58.117.16 and 194.58.117.18.
Mail Servers
allcourses.io is handled by a single mail server, emx.mail.ru.
allcourses.io shares its mail server setup with other domains, including skz.su, lpi-shop.com, colibri-office.com, w-i-p.ru and setkastroy.ru.
allcourses.io shares at least partially some mail servers with other domains, for instance tempd.ru, bronhus.com and akb62.ru.
emx.mail.ru points to two IPs: 94.100.180.180 and 217.69.139.180.