course.welldone.study - robtex.com
course.welldone.study
| 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:704bc7a85698074b8aaf9043000f2273.gca.to ~all | ||||||
| SOA | ns3.getcourse.ruhostmaster@course.welldone.study serial=2 | ||||||
welldone.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.215.4.19🇷🇺 DDOS-GUARD185.215.4.0/24 Tilda Publishing LLC | ||||||
| NS | ns1.reg.ru ⭐ | ||||||
| NS | ns2.reg.ru | ||||||
| MX | mx.yandex.net ⭐ | ||||||
| TXT | yandex-verification: e0b6cc8935179d1f | ||||||
| TXT | google-site-verification=ABjS365YwfCK_VZ-_T_l4LF3yihAWiLj7tCmExnLQVY | ||||||
| TXT | v=spf1 include:_spf.yandex.net include:spf.selzy.com ip4:165.165.165.0/24 ip4... | ||||||
| SOA | ns1.reg.ruhostmaster@ns1.reg.ru serial=1770015693 | ||||||
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.gcloudns.com2026-02-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:58:16
●NSns1.getcourse.ru2026-02-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:58:16
●NSns2.gcloudns.com2026-02-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:58:16
●NSns2.getcourse.ru2026-02-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:58:16
●NSns3.gcloudns.com2026-02-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:58:16
●NSns3.getcourse.ru2026-02-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:58:16
●MXmx.getcourse.ru2026-02-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:58:16
●A185.65.148.192026-02-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:58:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| welldone.study | ns1.reg.ru, ns2.reg.ru | - |
| course.welldone.study | ns1.gcloudns.com, ns1.getcourse.ru, ns2.gcloudns.com, ns2.getcourse.ru... | - |
✅ Authoritative Response
Server:77.105.172.20
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 welldone.study (unsigned zone)
⏱️ Timing
Total: 1497ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.65.148.19 |
| NS | 3 | ns2.gcloudns.com, ns1.getcourse.ru... |
| MX | 1 | mx.getcourse.ru (pri: 10) |
| TXT | 1 | v=spf1 include:704bc7a85698074b8aaf90430 |
| SOA | 1 | ns2.getcourse.ru hostmaster.course.welld |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
IP Addresses
course.welldone.study points to an IP address: 185.65.148.19.
other host names include kumerinay.ru, vlschool.ru, 003911.com, wildmanager.ru and teenhub.ru; they share IP numbers with course.welldone.study.
Name Servers
course.welldone.study delegates to six name servers: ns1.gcloudns.com, ns2.gcloudns.com, ns3.gcloudns.com, ns1.getcourse.ru, ns2.getcourse.ru and ns3.getcourse.ru.
course.welldone.study at least partially shares name servers with other domains, for instance buhleader.ru, 5183.ru, palageia.ru, ultrasoul.ru and avicennahelp.com.
Host names with a single IP
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 pointing to 77.105.172.20: ns2.gcloudns.com and ns2.getcourse.ru
Host names pointing to 31.41.155.39: ns3.gcloudns.com and ns3.getcourse.ru
Mail Servers
course.welldone.study is handled by a single mail server, mx.getcourse.ru.
course.welldone.study uses the same mail server setup as other domains, for instance kep.su, pvvk-web.ru, al-school.online, sflearning.ru and start-florist.getcourse.ru.
course.welldone.study shares at least partially some mail servers with other domains, for instance gorni-school.ru, sbadyuk.ru, universuspro.ru, divida.yoga and 1072.ru.
these mail servers are commonly used together with emx.mail.ru.
The host name mx.getcourse.ru points to IP 212.41.14.129.