udemy.dk - robtex.com
udemy.dk
| 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 | ||||||
| PTR | dns1.idp365.net | ||||||
| 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 | ||||||
| PTR | dns2.idp365.net | ||||||
| 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 | ||||||
| PTR | dns3.idp365.net | ||||||
| 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 2014-03-26 #1 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1784139661localtime Wed Jul 15 20:21:01 2026gmtime Wed Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1784139661 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns1.idp365.net2026-05-26 → 2026-07-15 · 2 obs
● 2026-07-15 18:46:40
●NSdns2.idp365.net2026-05-26 → 2026-07-15 · 2 obs
● 2026-07-15 18:46:40
●NSdns3.idp365.net2026-05-26 → 2026-07-15 · 2 obs
● 2026-07-15 18:46:40
●MXmail.idp365.net2026-05-26 → 2026-07-15 · 2 obs
● 2026-07-15 18:46:40
●A217.19.248.1322026-05-26 → 2026-07-15 · 2 obs
● 2026-07-15 18:46:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk... | - |
| udemy.dk | dns1.idp365.net, dns2.idp365.net, dns3.idp365.net | - |
✅ Authoritative Response
Server:162.159.48.3
NS records: dns1.idp365.net, dns2.idp365.net, dns3.idp365.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for udemy.dk (unsigned zone)
⏱️ Timing
Total: 692ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.19.248.132 |
| NS | 3 | dns1.idp365.net, dns2.idp365.net... |
| MX | 1 | mail.idp365.net (pri: 10) |
| SOA | 1 | dns1.idp365.net hostmaster.idp365.net |
Analysis
IP Addresses
udemy.dk points to a single IP number: 217.19.248.132.
Additional host names — fulfill-vending.co.uk, genomestocures.com, www.prac.co and two others — share IP numbers with udemy.dk.
Name Servers
The authoritative name servers for udemy.dk are dns1.idp365.net, dns2.idp365.net and dns3.idp365.net — three in total.
The name servers of udemy.dk overlap at least partially with those of other domains — among them onlinepoker.dk, cmeworkshop.co.in, erivedge-ppp-cy.com and two more.
dns1.idp365.net, dns2.idp365.net and dns3.idp365.net all resolve to exactly two IP numbers apiece: dns1.idp365.net → 162.159.27.131 and 2400:cb00:2049:1::a29f:1b83; dns2.idp365.net → 162.159.48.3 and 2400:cb00:2049:1::a29f:3003; dns3.idp365.net → 162.159.49.254 and 2400:cb00:2049:1::a29f:31fe.
Mail Servers
udemy.dk has one mail server: mail.idp365.net.
udemy.dk shares the same mail server setup as other domains, including krollconsulting.com.ar, elebratoellipta.com, easyshot.net and two others.
udemy.dk has mail servers in common with other domains — revolverchat.com being one example.
mail.idp365.net directs to just one IP number, 217.19.248.131.