udemy-course.com - robtex.com
udemy-course.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.19.248.132🇬🇧 SAFENAMES-AS217.19.248.0/24 Safenames Datacentre | ||||||
| PTR | redirect.idp365.net | ||||||
| NS | dns1.idp365.net ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1b83🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.27.131Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | dns2.idp365.net | ||||||
| A | 2400:cb00:2049:1::a29f:3003🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.48.3Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | dns3.idp365.net | ||||||
| A | 2400:cb00:2049:1::a29f:31fe🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.49.254Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail.idp365.net ⭐ | ||||||
| A | 217.19.248.131🇬🇧 SAFENAMES-AS217.19.248.0/24 Safenames Datacentre | ||||||
| PTR | redirect1.safenames.com | ||||||
| SOA | dns1.idp365.nethostmaster@idp365.net 2018-10-08 #1 | ||||||
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=1785246117 | ||||||
Same first word
udemy-course.com |
DNS History
11 records (5 active, 6 former)
●NSdns1.idp365.net2026-07-22 → 2026-07-28 · 3 obs
● 2026-07-22 21:10:54
● 2026-07-28 14:07:38
●NSdns2.idp365.net2026-07-22 → 2026-07-28 · 3 obs
● 2026-07-22 21:10:54
● 2026-07-28 14:07:38
●NSdns3.idp365.net2026-07-22 → 2026-07-28 · 3 obs
● 2026-07-22 21:10:54
● 2026-07-28 14:07:38
○NSns63.domaincontrol.com2017-09-07 → 2017-09-07 · 3 obs
○ 2026-07-22 21:10:54
○ 2026-07-28 14:07:38
○NSns64.domaincontrol.com2017-09-07 → 2017-09-07 · 3 obs
○ 2026-07-22 21:10:54
○ 2026-07-28 14:07:38
●MXmail.idp365.net2026-07-22 → 2026-07-28 · 2 obs
● 2026-07-28 14:07:38
○A216.239.32.212017-09-07 → 2017-09-07 · 3 obs
○ 2026-07-22 21:10:54
○ 2026-07-28 14:07:38
○A216.239.34.212017-09-07 → 2017-09-07 · 3 obs
○ 2026-07-22 21:10:54
○ 2026-07-28 14:07:38
○A216.239.36.212017-09-07 → 2017-09-07 · 3 obs
○ 2026-07-22 21:10:54
○ 2026-07-28 14:07:38
○A216.239.38.212017-09-07 → 2017-09-07 · 3 obs
○ 2026-07-22 21:10:54
○ 2026-07-28 14:07:38
●A217.19.248.1322026-07-22 → 2026-07-28 · 3 obs
● 2026-07-22 21:10:54
● 2026-07-28 14:07:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| udemy-course.com | dns1.idp365.net, dns2.idp365.net, dns3.idp365.net | - |
✅ Authoritative Response
Server:162.159.27.131
NS records: dns1.idp365.net, dns2.idp365.net, dns3.idp365.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for udemy-course.com (unsigned zone)
⏱️ Timing
Total: 486ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.19.248.132 |
| NS | 3 | dns2.idp365.net, dns3.idp365.net... |
| MX | 1 | mail.idp365.net (pri: 10) |
| SOA | 1 | dns1.idp365.net hostmaster.idp365.net |
Analysis
IP Addresses
udemy-course.com points to a single IP number: 217.19.248.132.
Additional host names — morubel.com, acnerx.com, trident-italia.com and two others — share IP numbers with udemy-course.com.
Name Servers
udemy-course.com is delegated to three name servers: dns1.idp365.net, dns2.idp365.net and dns3.idp365.net.
The name servers of udemy-course.com overlap at least partially with those of other domains — among them carters.fr, lm.org, autonomy.co.at and two more.
dns1.idp365.net, dns2.idp365.net and dns3.idp365.net each resolve to two IP addresses: dns1.idp365.net resolves to 162.159.27.131 and 2400:cb00:2049:1::a29f:1b83; dns2.idp365.net resolves to 162.159.48.3 and 2400:cb00:2049:1::a29f:3003; dns3.idp365.net resolves to 162.159.49.254 and 2400:cb00:2049:1::a29f:31fe.
Mail Servers
udemy-course.com has one mail server: mail.idp365.net.
udemy-course.com shares the same mail server setup as other domains, including clearskinresolution.com, genuineblue.com, iginitioninterlocks.com and two others.
udemy-course.com has mail servers in common with other domains — stellar-recognition.com being one example.
mail.idp365.net resolves to a single IP number: 217.19.248.131.