udemy.sg - robtex.com
udemy.sg
| 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 2015-01-16 #1 | ||||||
sg
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ds.sgnic.sg ⭐ | ||||||
| NS | dsany2.sgnic.sg | ||||||
| NS | dsany3.sgnic.sg | ||||||
| NS | dsany4.sgnic.sg | ||||||
| NS | ns4.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | pch.sgzones.sg | ||||||
| SOA | ds.sgnic.sgdna@sgnic.sg serial=2607152030 | ||||||
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 21:23:12
●NSdns2.idp365.net2026-05-26 → 2026-07-15 · 2 obs
● 2026-07-15 21:23:12
●NSdns3.idp365.net2026-05-26 → 2026-07-15 · 2 obs
● 2026-07-15 21:23:12
●MXmail.idp365.net2026-05-26 → 2026-07-15 · 2 obs
● 2026-07-15 21:23:12
●A217.19.248.1322026-05-26 → 2026-07-15 · 2 obs
● 2026-07-15 21:23:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sg | ns4.apnic.net, pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg... | 10 records |
| udemy.sg | dns2.idp365.net, dns3.idp365.net, dns1.idp365.net | - |
✅ Authoritative Response
Server:162.159.49.254
NS records: dns2.idp365.net, dns3.idp365.net, dns1.idp365.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for udemy.sg (unsigned zone)
⏱️ Timing
Total: 2115ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.19.248.132 |
| NS | 3 | dns3.idp365.net, dns1.idp365.net... |
| MX | 1 | mail.idp365.net (pri: 10) |
| SOA | 1 | dns1.idp365.net hostmaster.idp365.net |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (pch.sgzones.sg, pch.sgzones.sg, dsany2.sgnic.sg...)
Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)
Analysis
IP Addresses
udemy.sg resolves to just one IP address, 217.19.248.132.
Two other host names, along with buy-clarks.com, wartsila.global and riamoneytransfer.com.br, also share IP numbers with udemy.sg.
Name Servers
DNS for udemy.sg is handled by three authoritative name servers: dns1.idp365.net, dns2.idp365.net and dns3.idp365.net.
udemy.sg partially shares its NS delegation with several other domains, including zuora.ph, betroyal.eu, wbuildserve.com and two others.
Three hostnames — dns1.idp365.net, dns2.idp365.net and dns3.idp365.net — each have two IP addresses: dns1.idp365.net has 162.159.27.131 and 2400:cb00:2049:1::a29f:1b83, dns2.idp365.net has 162.159.48.3 and 2400:cb00:2049:1::a29f:3003, and dns3.idp365.net has 162.159.49.254 and 2400:cb00:2049:1::a29f:31fe.
Mail Servers
The sole mail server for udemy.sg is mail.idp365.net.
Among the domains sharing a mail server setup with udemy.sg are 888poker.ws, z-fet.com, bridgestoaccess-refills.com and two others.
mail.idp365.net has exactly one IP number: 217.19.248.131.