sflearning.ru - robtex.com
sflearning.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.65.148.19🇷🇺 HLL-AS185.65.148.0/23 HLL | ||||||
| NS | ns3.getcourse.ru ⭐ | ||||||
| A | 31.41.155.39🇷🇺 SELECTEL31.41.154.0/23 Selectel Route Object | ||||||
| NS | ns1.gcloudns.com ⚠️ Not in zone NS records | ||||||
| A | 188.166.89.77🇳🇱 DIGITALOCEAN188.166.64.0/18 DigitalOcean | ||||||
| PTR | ns04.ams3.do | ||||||
| NS | ns1.getcourse.ru | ||||||
| A | 95.213.207.67🇷🇺 SELECTEL95.213.207.0/24 -NET | ||||||
| NS | ns2.gcloudns.com | ||||||
| A | 77.105.172.20🇷🇺 SELECTEL-MSK77.105.172.0/23 Selectel Route Object | ||||||
| NS | ns2.getcourse.ru ⚠️ Not in zone NS records | ||||||
| A | 77.105.172.20🇷🇺 SELECTEL-MSK77.105.172.0/23 Selectel Route Object | ||||||
| NS | ns3.gcloudns.com ⚠️ Not in zone NS records | ||||||
| A | 31.41.155.39🇷🇺 SELECTEL31.41.154.0/23 Selectel Route Object | ||||||
| MX | mx.getcourse.ru ⭐ | ||||||
| A | 212.41.14.129🇷🇺 SELECTEL212.41.14.0/23 Selectel Route Object | ||||||
| TXT | v=spf1 include:cb31a8314cf0d96758482a717a872768.gca.to ~all | ||||||
| SOA | ns3.getcourse.ruhostmaster@sflearning.ru serial=2 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4068334 | ||||||
Same first word
sflearning.ru |
DNS History
8 records (8 active, 0 former)
●NSns1.gcloudns.com2026-03-28 → 2026-03-30 · 2 obs
● 2026-03-30 20:11:18
●NSns1.getcourse.ru2026-03-28 → 2026-03-30 · 2 obs
● 2026-03-30 20:11:18
●NSns2.gcloudns.com2026-03-28 → 2026-03-30 · 2 obs
● 2026-03-30 20:11:18
●NSns2.getcourse.ru2026-03-28 → 2026-03-30 · 2 obs
● 2026-03-30 20:11:18
●NSns3.gcloudns.com2026-03-28 → 2026-03-30 · 2 obs
● 2026-03-30 20:11:18
●NSns3.getcourse.ru2026-03-28 → 2026-03-30 · 2 obs
● 2026-03-30 20:11:18
●MXmx.getcourse.ru2026-03-28 → 2026-03-30 · 2 obs
● 2026-03-30 20:11:18
●A185.65.148.192026-03-28 → 2026-03-30 · 2 obs
● 2026-03-30 20:11:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | b.dns.ripn.net, f.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net... | - |
| sflearning.ru | ns1.gcloudns.com, ns1.getcourse.ru, ns2.gcloudns.com, ns2.getcourse.ru... | - |
✅ Authoritative Response
Server:188.166.89.77
NS records: ns1.gcloudns.com, ns1.getcourse.ru, ns2.gcloudns.com, ns2.getcourse.ru, ns3.gcloudns.com, ns3.getcourse.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sflearning.ru (unsigned zone)
⏱️ Timing
Total: 1222ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.65.148.19 |
| NS | 3 | ns1.getcourse.ru, ns2.gcloudns.com... |
| MX | 1 | mx.getcourse.ru (pri: 10) |
| TXT | 1 | v=spf1 include:cb31a8314cf0d96758482a717 |
| SOA | 1 | ns1.gcloudns.com hostmaster.sflearning.r |
Analysis
IP Addresses
sflearning.ru resolves to one IP number: 185.65.148.19.
other host names including metasensor.info, upstat.pro, yowad.ru, vivoyoga.online and alekseevablond.ru share IP numbers with sflearning.ru.
Name Servers
sflearning.ru is delegated to six name servers: ns1.gcloudns.com, ns2.gcloudns.com, ns3.gcloudns.com, ns1.getcourse.ru, ns2.getcourse.ru and ns3.getcourse.ru.
sflearning.ru at least partially shares name servers with other domains, for instance healthcreation.ru, insonne.ru, xn----gtbdba5agndb2d6b8bg.xn--p1ai, colorschool.online and freeos.ru.
Host names with one IP number
ns1.gcloudns.com points to 188.166.89.77
ns2.gcloudns.com points to 77.105.172.20
ns3.gcloudns.com points to 31.41.155.39
ns1.getcourse.ru points to 95.213.207.67
ns2.getcourse.ru points to 77.105.172.20
ns3.getcourse.ru points to 31.41.155.39
Host names that point to 77.105.172.20: ns2.gcloudns.com and ns2.getcourse.ru
Host names that point to 31.41.155.39: ns3.gcloudns.com and ns3.getcourse.ru
Mail Servers
sflearning.ru is handled by a single mail server, mx.getcourse.ru.
sflearning.ru shares the same mail server setup as other domains, for instance clubmoneyfest.getcourse.ru, kursiharipriya.getcourse.ru, russeplus.com, afroponi.ru and proveit.ru.
sflearning.ru shares some mail servers with other domains, at least partially, for instance gardendream.ru, vgordiets.com, enioclub.ru, levshinov.pro and khscourse.ru.
These mail servers are commonly used alongside mx.yandex.net and emx.mail.ru.
mx.getcourse.ru resolves to IP 212.41.14.129.