mail.c21.com.sg - robtex.com

mail.c21.com.sg

DNSSEC⚠️ Not signed
A23.108.103.230🇸🇬 LEASEWEB-APAC-SIN-1123.108.100.0/22 LEASEWEB SINGAPORE PTE. LTD. 18B Keong Saik Road Singapore, 089125
PTRweb217f.gocloudeasy.com

c21.com.sg

DNSSEC⚠️ Not signed
A23.108.103.230🇸🇬 LEASEWEB-APAC-SIN-1123.108.100.0/22 LEASEWEB SINGAPORE PTE. LTD. 18B Keong Saik Road Singapore, 089125
NSns1.gocloudeasy.com ⭐ ⚠️ Not in parent delegation
NSns2.gocloudeasy.com ⚠️ Not in parent delegation
NSns3.gocloudeasy.com ⚠️ Not in parent delegation
NSnsa.pixelhost.sg ⚠️ Not in zone NS records
NSnsb.pixelhost.sg ⚠️ Not in zone NS records
NSnsc.pixelhost.sg ⚠️ Not in zone NS records
MXmail.c21.com.sg ⭐
TXTSendinblue-code:6d9b14045cefbc00d8fc7f83b8bab763
TXTv=spf1 ip4:209.58.181.154 ip4:23.108.103.230 include:_spf.gocloudeasy.com +a ...
TXTv=DMARC1;p=none;rua=mailto:postmaster@c21.com.sg
SOAns1.gocloudeasy.comhostmaster@gocloudeasy.com 2026-05-08 #3

MX for

c21.com.sg

Same first word

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DNS History

1 record (1 active, 0 former)

A23.108.103.230
●A23.108.103.2302026-05-10 → 2026-05-15 · 2 obs
● 2026-05-10 22:56:02
● 2026-05-15 00:47:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sgns4.apnic.net, pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg...10 records
c21.com.sgnsc.pixelhost.sg, nsb.pixelhost.sg, nsa.pixelhost.sg-

✅ Authoritative Response

Server:206.81.8.79

NS records: nsc.pixelhost.sg, nsb.pixelhost.sg, nsa.pixelhost.sg

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c21.com.sg (unsigned zone)

⏱️ Timing

Total: 1101ms | Queries: -

📄 Records

TypeCountSample Data
A123.108.103.230

📌 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

Mail Server Role

mail.c21.com.sg is the mail server for c21.com.sg.

IP Addresses

mail.c21.com.sg maps to IP address 23.108.103.230.

Other host names, for instance ahava.com.sg, beautech.com.sg, www.cosem.org.sg, cottagepies.com and mail.melco.com.sg share IP numbers with mail.c21.com.sg.