sqlcourse.ru - dns.ninja
sqlcourse.ru
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4070855 | ||||||
Same first word
sqlcourse.ru |
sqlcourse.cn |
sqlcourse.net |
sqlcourse.com |
Similar names
Previous names
sqlab21.ru |
sqlaccess.ru |
sqlaccessories.ru |
sqlad.ru |
sqladmin.ru |
sqlaliens.ru |
sqlap.ru |
sqlapp.ru |
sqlaundry.ru |
sqlaw.ru |
sqlbak.ru |
sqlbook.ru |
sqlbooks.ru |
sqlchecker.ru |
sqlclass.ru |
sqlclub.ru |
sqlcmd.ru |
sqlcode.ru |
sqlcom.ru |
Next names
DNS History
3 records (3 active, 0 former)
●A95.163.244.1382026-09-27 → 2026-10-25 · 2 obs
● 2026-10-25 19:40:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net... | 12 records |
| sqlcourse.ru | ns1.reg.ru, ns2.reg.ru | 20 records |
✅ Authoritative Response
Server:176.99.13.12
NS records: ns1.reg.ru, ns2.reg.ru
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at ru: Error: DNS query timeout: 193.232.128.6 for DNSKEY ru
⏱️ Timing
Total: 3768ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 95.163.244.138 |
| NS | 2 | ns1.reg.ru, ns2.reg.ru |
| SOA | 1 | ns1.reg.ru hostmaster.ns1.reg.ru |
📌 Glue Records Collected
Total: 32
In-bailiwick: 2 (c.tld-servers.ru, c.tld-servers.ru)
Out-of-bailiwick: 30 (a.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net...)
Analysis
IP Addresses
sqlcourse.ru has exactly one IP address — 95.163.244.138.
derbyacademy.online, pisisi.ru, voltstandard.ru plus two other host names have IP numbers in common with sqlcourse.ru.
Name Servers
sqlcourse.ru uses two name servers for its delegation: ns1.reg.ru and ns2.reg.ru.
The name server configuration of sqlcourse.ru is shared with other domains, for instance yauzafishing.ru, kuttly.com, 1337clean.pro and two others.
Hosts with 10 IP addresses each:
Hostname ns1.reg.ru directs to 176.99.13.11, 176.99.13.13 and 176.99.13.15 along with 7 other IP addresses.
Hostname ns2.reg.ru directs to 176.99.13.12, 176.99.13.14 and 176.99.13.16 along with 7 other IP addresses.