`mail.postgrad.com.sg`

DNSSEC	⚠️ Not signed
A	103.237.169.189^{🇸🇬 VASTSPACEPTELTD-AS-AP103.237.168.0/23 PROXY ROUTE FOR VASTNET LLP}
		PTR	`mail.headhuntsingapore.com`

`postgrad.com.sg`

	DNSSEC	⚠️ Not signed
	A	192.0.78.165^{🇺🇸 Automattic192.0.78.0/24 Route Object}
	A	192.0.78.233^{🇺🇸 Automattic192.0.78.0/24 Route Object}
	NS	`ns1.wordpress.com` ⭐
	NS	`ns2.wordpress.com`
	NS	`ns3.wordpress.com`
	MX	`smtp.google.com` ⭐
	TXT	`v=spf1 mx a include:_spf.wpcloud.com ~all`
	TXT	`facebook-domain-verification=q2iubgp2sbp73knhoazxnzbgfy8myt`
	TXT	`google-site-verification=28_YXZMjGpVRuHqUcCqulUSiJCEaTil5hQbPIVy0HsE`
	SOA	`ns1.wordpress.com`hostmaster@wordpress.com 2005-07-18 #58

Previously MX for

postgrad.com.sg

Same first word

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DNS History

2 records (1 active, 1 former)

●A103.237.169.1892015-06-16 → 2026-07-24 · 6 obs

● 2015-06-16 13:36:34
● 2016-05-15 18:13:56
○ 2016-12-23 20:01:50
○ 2016-12-30 22:38:32
● 2026-03-07 05:49:48
● 2026-07-24 15:55:56

○A192.124.249.542016-12-23 → 2016-12-30 · 5 obs

○ 2016-05-15 18:13:56
● 2016-12-23 20:01:50
● 2016-12-30 22:38:32
○ 2026-03-07 05:49:48
○ 2026-07-24 15:55:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sg	dsany2.sgnic.sg, dsany4.sgnic.sg, pch.sgzones.sg, dsany3.sgnic.sg	-
postgrad.com.sg	ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com	-

✅ Authoritative Response

Server:198.181.117.9

NS records: ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 606ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.237.169.189`

Analysis

IP Addresses

mail.postgrad.com.sg resolves to one IP address: 103.237.169.189.

mail.postgrad.com.sg - robtex.com