mail.jcode.sg - dns.ninja

`mail.jcode.sg`

DNSSEC	⚠️ Not signed
A	139.99.39.42^{🇸🇬 OVH139.99.0.0/17 Hosting route}
		PTR	`web309f.gocloudeasy.com`

`jcode.sg`

	DNSSEC	⚠️ Not signed
	A	139.99.39.42^{🇸🇬 OVH139.99.0.0/17 Hosting route}
	NS	`ns4.gocloudeasy.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns4.cldy.com` ⚠️ Not in zone NS records
	NS	`ns5.cldy.com` ⚠️ Not in zone NS records
	NS	`ns5.gocloudeasy.com` ⚠️ Not in parent delegation
	NS	`ns6.cldy.com` ⚠️ Not in zone NS records
	NS	`ns6.gocloudeasy.com` ⚠️ Not in parent delegation
	MX	`mail.jcode.sg` ⭐
	TXT	`v=spf1 ip4:15.235.224.53 ip4:139.99.39.42 include:_spf.gocloudeasy.com +mx +a...`
	SOA	`ns4.gocloudeasy.com`hostmaster@gocloudeasy.com 2026-07-02 #1

MX for

jcode.sg

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DNS History

2 records (1 active, 1 former)

○A101.100.204.212018-05-17 → 2018-05-17 · 3 obs

● 2018-05-17 02:41:52
○ 2026-02-28 01:34:28
○ 2026-07-25 15:09:30

●A139.99.39.422026-02-28 → 2026-07-25 · 3 obs

○ 2018-05-17 02:41:52
● 2026-02-28 01:34:28
● 2026-07-25 15:09:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sg	ns4.apnic.net, dsany4.sgnic.sg, dsany3.sgnic.sg, pch.sgzones.sg...	10 records
jcode.sg	ns4.cldy.com, ns6.cldy.com, ns5.cldy.com	-

✅ Authoritative Response

Server:45.83.248.51

NS records: ns4.cldy.com, ns6.cldy.com, ns5.cldy.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jcode.sg (unsigned zone)

⏱️ Timing

Total: 495ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.99.39.42`

📌 Glue Records Collected

Total: 10

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

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

Analysis

Mail Server Role

Mail for jcode.sg is routed through the mail server mail.jcode.sg.

IP Addresses

mail.jcode.sg has exactly one IP address — 139.99.39.42.

mail.guitarlessonssingapore.org, jcode.sg, mail.ollacoffee.com plus two other host names have IP numbers in common with mail.jcode.sg.