`learncollab.com.sg`

DNSSEC	⚠️ Not signed
A	143.198.195.179^{🇸🇬 DIGITALOCEAN143.198.192.0/20 DigitalOcean}
		PTR	`1541859.cloudwaysapps.com`
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`learncollab-com-sg.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`mscid=tkSQ1esoYq8Pb21AGGqq2VLp8eM+a2OK5u8No9AURe65RZ5+oIA5wEhKYG4ZGy4GoWBvXe6...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`google-site-verification=AgBHaC80Pka8bDPRW0n2aK34IyYDFn-zASDOsT2aCYk`
TXT	`brevo-code:61cc127bee7f9ba6b16a75e22ff2e35c`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=1

`com.sg`

	DNSSEC	⚠️ Not signed
	NS	`ds.sgnic.sg` ⭐
	NS	`dsany2.sgnic.sg` ⚠️ Not in parent delegation
	NS	`dsany3.sgnic.sg` ⚠️ Not in parent delegation
	NS	`dsany4.sgnic.sg` ⚠️ Not in parent delegation
	NS	`pch.sgzones.sg` ⚠️ Not in parent delegation
	SOA	`ds.sgnic.sg`dna@sgnic.sg serial=2604270130

📈 Tranco rank: #795,814

Subdomains

courses.learncollab.com.sg

Same first word

learncollab.com.sg

DNS History

6 records (6 active, 0 former)

●NSns1.bdm.microsoftonline.com2026-02-21 → 2026-04-27 · 2 obs

● 2026-02-21 16:47:34
● 2026-04-27 02:22:58

●NSns2.bdm.microsoftonline.com2026-02-21 → 2026-04-27 · 2 obs

● 2026-02-21 16:47:34
● 2026-04-27 02:22:58

●NSns3.bdm.microsoftonline.com2026-02-21 → 2026-04-27 · 2 obs

● 2026-02-21 16:47:34
● 2026-04-27 02:22:58

●NSns4.bdm.microsoftonline.com2026-02-21 → 2026-04-27 · 2 obs

● 2026-02-21 16:47:34
● 2026-04-27 02:22:58

●MXlearncollab-com-sg.mail.protection.outlook.com2026-02-21 → 2026-04-27 · 2 obs

● 2026-02-21 16:47:34
● 2026-04-27 02:22:58

●A143.198.195.1792026-02-21 → 2026-04-27 · 2 obs

● 2026-02-21 16:47:34
● 2026-04-27 02:22:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sg	pch.sgzones.sg, dsany2.sgnic.sg, ns4.apnic.net, dsany4.sgnic.sg...	10 records
learncollab.com.sg	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	-

✅ Authoritative Response

Server:204.14.183.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learncollab.com.sg (unsigned zone)

⏱️ Timing

Total: 889ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`143.198.195.179`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`learncollab-com-sg.mail.protection.outlo`
TXT	4	`mscid=tkSQ1esoYq8Pb21AGGqq2VLp8eM+a2OK5u, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (dsany4.sgnic.sg, dsany3.sgnic.sg, dsany2.sgnic.sg...)

Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)

Analysis

Hierarchy

The parent of courses.learncollab.com.sg is learncollab.com.sg.

IP Addresses

learncollab.com.sg points to a single IP address: 143.198.195.179.

Name Servers

learncollab.com.sg is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

learncollab.com.sg at least partially shares name servers with other domains, for example prohomecare.com, brecknell.com.au, mxmail.ro, cpsi.es and programmerally.com.