`mail-srv22.csfsolution.com.sg`

DNSSEC	⚠️ Not signed
A	101.100.210.221^{🇸🇬 VODIEN-AS-AP-LOC2101.100.210.0/24 Vodien Internet Solutions Pte Ltd 3 Irving Road 09-01 Tai Seng Centre}
		PTR	`orion5.iwi.com.sg`

`csfsolution.com.sg`

	DNSSEC	⚠️ Not signed
	A	101.100.210.221^{🇸🇬 VODIEN-AS-AP-LOC2101.100.210.0/24 Vodien Internet Solutions Pte Ltd 3 Irving Road 09-01 Tai Seng Centre}
	NS	`ns1.webhostsg.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns2.webhostsg.com` ⚠️ Not in parent delegation
	NS	`ns3.webhostsg.com` ⚠️ Not in parent delegation
	NS	`ns4.webhostsg.com` ⚠️ Not in parent delegation
	NS	`pridns.iwi.com.sg` ⚠️ Not in zone NS records
	NS	`secdns.iwi.com.sg` ⚠️ Not in zone NS records
	MX	`mail.csfsolution.com.sg` ⭐
	TXT	`v=spf1 +a +mx +ip4:101.100.210.30 +include:_spf.webhostsg.com ~all`
	SOA	`ns1.webhostsg.com`support@iwi.com.sg 2026-05-08 #0

Previously MX for

csfsolution.com.sg

DNS History

3 records (1 active, 2 former)

●A101.100.210.2212026-02-18 → 2026-05-09 · 3 obs

○ 2016-07-05 19:49:38
● 2026-02-18 02:30:20
● 2026-05-09 06:18:20

○A101.100.210.302016-07-05 → 2016-07-05 · 4 obs

○ 2016-01-31 13:05:30
● 2016-07-05 19:49:38
○ 2026-02-18 02:30:20
○ 2026-05-09 06:18:20

○A203.117.178.642015-06-12 → 2016-01-31 · 4 obs

● 2015-06-12 16:47:32
● 2016-01-31 13:05:30
○ 2016-07-05 19:49:38
○ 2026-05-09 06:18:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sg	ns4.apnic.net, pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg...	10 records
csfsolution.com.sg	secdns.iwi.com.sg, pridns.iwi.com.sg	2 records

✅ Authoritative Response

Server:162.159.24.88

NS records: secdns.iwi.com.sg, pridns.iwi.com.sg

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1385ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`101.100.210.221`

📌 Glue Records Collected

Total: 12

In-bailiwick: 8 (pch.sgzones.sg, pch.sgzones.sg, dsany2.sgnic.sg...)

Out-of-bailiwick: 4 (ns4.apnic.net, ns4.apnic.net, secdns.iwi.com.sg...)

Analysis

IP Addresses

mail-srv22.csfsolution.com.sg resolves to one IP number: 101.100.210.221.

other host names including scienceheuristics.sg, ddg-glass.sg, aestheticvilla.com, orion5.iwi.com.sg and orion3.iwi.com.sg share IP numbers with mail-srv22.csfsolution.com.sg.

mail-srv22.csfsolution.com.sg - robtex.com