course-editor.com - dns.ninja
course-editor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.215.4.15🇷🇺 DDOS-GUARD185.215.4.0/24 Tilda Publishing LLC | ||||||
| NS | ns1.mastername.ru ⭐ | ||||||
| A | 2a00:15f8:a000:33:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns1.mastername.ru | ||||||
| A | 90.156.136.115🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns1.mastername.ru | ||||||
| NS | ns2.mastername.ru | ||||||
| A | 2a00:15f8:a000:34:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns2.mastername.ru | ||||||
| A | 90.156.137.49🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns2.mastername.ru | ||||||
| SOA | ns1.mastername.ruhostmaster@mastername.ru serial=1642765059 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785316832 | ||||||
Same first word
course-editor.com |
Similar names
DNS History
9 records (3 active, 6 former)
○NSns1.fastpark.net2015-05-30 → 2016-12-30 · 4 obs
● 2016-12-30 15:24:26
○ 2017-12-30 03:53:06
○ 2026-07-29 09:48:18
●NSns1.mastername.ru2026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 09:48:18
○NSns2.fastpark.net2015-05-30 → 2016-12-30 · 4 obs
● 2016-12-30 15:24:26
○ 2017-12-30 03:53:06
○ 2026-07-29 09:48:18
●NSns2.mastername.ru2026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 09:48:18
○MXmail.h-email.net2015-10-20 → 2016-12-30 · 4 obs
● 2016-12-30 15:24:26
○ 2017-12-30 03:53:06
○ 2026-07-29 09:48:18
●A185.215.4.152026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 09:48:18
○A185.53.178.62015-10-20 → 2016-04-16 · 5 obs
● 2015-10-20 01:33:18
● 2016-04-16 05:52:48
○ 2016-12-30 15:24:26
○ 2026-07-29 09:48:18
○A185.53.179.62016-12-30 → 2016-12-30 · 4 obs
● 2016-12-30 15:24:26
○ 2017-12-30 03:53:06
○ 2026-07-29 09:48:18
○A216.8.179.252015-05-30 → 2015-05-30 · 3 obs
○ 2015-10-20 01:33:18
○ 2026-07-29 09:48:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| course-editor.com | ns1.mastername.ru, ns2.mastername.ru | - |
✅ Authoritative Response
Server:90.156.136.115
NS records: ns1.mastername.ru, ns2.mastername.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for course-editor.com (unsigned zone)
⏱️ Timing
Total: 832ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.215.4.15 |
| NS | 2 | ns1.mastername.ru, ns2.mastername.ru |
| SOA | 1 | ns1.mastername.ru hostmaster.mastername. |
Analysis
IP Addresses
course-editor.com points to a single IP number: 185.215.4.15.
Additional host names — digitall.zone, whm.sso.milodelkin.ru, sol-comp.ru and two others — share IP numbers with course-editor.com.
Name Servers
course-editor.com has two authoritative name servers — ns1.mastername.ru and ns2.mastername.ru.
course-editor.com shares its name server setup with other domains, including troparevo-zao.ru, ingservi.ru, unikniga.ru and two others.
At least some of course-editor.com's name servers are shared with other domains, for example tlsgroup.ru, tegrus.ru, vwv.su and two more.
Both ns1.mastername.ru and ns2.mastername.ru have two IP addresses each. ns1.mastername.ru resolves to 90.156.136.115 and 2a00:15f8:a000:33:1:1:1:53; ns2.mastername.ru resolves to 90.156.137.49 and 2a00:15f8:a000:34:1:1:1:53.