joshkoh.com - robtex.com

joshkoh.com

DNSSEC⚠️ Not signed
A223.25.69.48🇸🇬 MYHOSTING-SG223.25.69.0/24 MYREPUBLIC LIMITED Jackson Square 11 Lorong 3 Toa Payoh Block B, 04-11/15
PTR223-25-69-48.myrepublic.com.sg
NSclusterns1.sgxchange.net ⭐
A223.25.69.48🇸🇬 MYHOSTING-SG223.25.69.0/24 MYREPUBLIC LIMITED Jackson Square 11 Lorong 3 Toa Payoh Block B, 04-11/15
PTR223-25-69-48.myrepublic.com.sg
NSclusterns2.sgxchange.net
A203.161.44.74🇺🇸 NAMCHEAP-PH203.161.44.0/24
PTRx3.sgxchange.net
NSclusterns3.sgxchange.net
A23.98.88.70🇸🇬 Microsoft23.96.0.0/14 MICROSOFT
PTRcluster3.sgxchange.net
MXclustermx1.sgxchange.net ⭐
A223.25.69.48🇸🇬 MYHOSTING-SG223.25.69.0/24 MYREPUBLIC LIMITED Jackson Square 11 Lorong 3 Toa Payoh Block B, 04-11/15
PTR223-25-69-48.myrepublic.com.sg
MXclustermx2.sgxchange.net(10)
A23.98.88.70🇸🇬 Microsoft23.96.0.0/14 MICROSOFT
PTRcluster3.sgxchange.net
MXclustermx3.sgxchange.net(20)
A23.98.88.70🇸🇬 Microsoft23.96.0.0/14 MICROSOFT
PTRcluster3.sgxchange.net
TXTv=spf1 include:spf.sgxchange.net ~all
TXTgoogle-site-verification=zTjwkCsGrEI7Vsb-6rsRNlpt3uGvjvzmmXCyypz8fO4
SOAclusterns1.sgxchange.netroot@clusterns1.sgxchange.net 2025-02-25 #0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1775748312

Same first word

joshkoh.com

DNS History

13 records (7 active, 6 former)

20162017201820192020202120222023202420252026NSclusterns1.sgxchange.netclusterns2.sgxchange.netclusterns3.sgxchange.netdns1.internet-exchange.netdns2.internet-exchange.netMXclustermx1.sgxchange.netclustermx2.sgxchange.netclustermx3.sgxchange.netmail.sgxchange.netmail10.sgxchange.netA223.25.69.48118.189.121.4666.96.213.150
●NSclusterns1.sgxchange.net2016-12-24 → 2026-04-09 · 3 obs
○ 2016-03-30 14:14:06
● 2016-12-24 09:30:04
● 2026-04-09 15:50:44
●NSclusterns2.sgxchange.net2016-12-24 → 2026-04-09 · 3 obs
○ 2016-03-30 14:14:06
● 2016-12-24 09:30:04
● 2026-04-09 15:50:44
●NSclusterns3.sgxchange.net2026-03-27 → 2026-04-09 · 3 obs
○ 2016-12-24 09:30:04
● 2026-03-27 06:19:22
● 2026-04-09 15:50:44
○NSdns1.internet-exchange.net2015-06-03 → 2016-03-30 · 4 obs
● 2015-06-03 13:27:20
● 2016-03-30 14:14:06
○ 2016-12-24 09:30:04
○ 2026-04-09 15:50:44
○NSdns2.internet-exchange.net2015-06-03 → 2016-03-30 · 4 obs
● 2015-06-03 13:27:20
● 2016-03-30 14:14:06
○ 2016-12-24 09:30:04
○ 2026-04-09 15:50:44
●MXclustermx1.sgxchange.net2026-03-27 → 2026-04-09 · 3 obs
○ 2016-12-24 09:30:04
● 2026-03-27 06:19:22
● 2026-04-09 15:50:44
●MXclustermx2.sgxchange.net2026-03-27 → 2026-04-09 · 3 obs
○ 2016-12-24 09:30:04
● 2026-03-27 06:19:22
● 2026-04-09 15:50:44
●MXclustermx3.sgxchange.net2026-03-27 → 2026-04-09 · 3 obs
○ 2016-12-24 09:30:04
● 2026-03-27 06:19:22
● 2026-04-09 15:50:44
○MXmail.sgxchange.net2015-06-03 → 2016-12-24 · 4 obs
● 2015-06-03 13:27:20
● 2016-12-24 09:30:04
○ 2026-03-27 06:19:22
○ 2026-04-09 15:50:44
○MXmail10.sgxchange.net2015-06-03 → 2016-12-24 · 4 obs
● 2015-06-03 13:27:20
● 2016-12-24 09:30:04
○ 2026-03-27 06:19:22
○ 2026-04-09 15:50:44
○A118.189.121.462015-06-03 → 2016-03-30 · 4 obs
● 2015-06-03 13:27:20
● 2016-03-30 14:14:06
○ 2016-12-24 09:30:04
○ 2026-04-09 15:50:44
●A223.25.69.482026-03-27 → 2026-04-09 · 3 obs
○ 2016-12-24 09:30:04
● 2026-03-27 06:19:22
● 2026-04-09 15:50:44
○A66.96.213.1502016-12-24 → 2016-12-24 · 4 obs
○ 2016-03-30 14:14:06
● 2016-12-24 09:30:04
○ 2026-03-27 06:19:22
○ 2026-04-09 15:50:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...-
joshkoh.comclusterns2.sgxchange.net, clusterns1.sgxchange.net, clusterns3.sgxchange.net-

✅ Authoritative Response

Server:223.25.69.48

NS records: clusterns2.sgxchange.net, clusterns1.sgxchange.net, clusterns3.sgxchange.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for joshkoh.com (unsigned zone)

⏱️ Timing

Total: 766ms | Queries: -

📄 Records

TypeCountSample Data
A1223.25.69.48
NS3clusterns1.sgxchange.net, clusterns3.sgxchange.net...
MX3clustermx1.sgxchange.net (pri: 5), clustermx2.sgxchange.net (pri: 10)...
TXT2v=spf1 include:spf.sgxchange.net ~all, google-site-verification=zTjwkCsGrEI7Vsb
SOA1clusterns1.sgxchange.net root.clusterns1

Analysis

IP Addresses

joshkoh.com points to a single IP number: 223.25.69.48.

Other host names, for instance clustermx1.sgxchange.net, sgxchange.net, x.sgxchange.net, buyserver.sg and mail.sgxchange.net share IP numbers with joshkoh.com.

Name Servers

The domain joshkoh.com is delegated to three name servers: clusterns1.sgxchange.net, clusterns2.sgxchange.net and clusterns3.sgxchange.net.

joshkoh.com shares name servers with other domains at least partially, for instance zen.sg, sx.sg, claire.sg, ix.sg and dalenkoh.com.

Host names with a single IP number:

clusterns1.sgxchange.net points to 223.25.69.48.

clusterns2.sgxchange.net points to 203.161.44.74.

clusterns3.sgxchange.net points to 23.98.88.70.

Mail Servers

joshkoh.com is handled by three mail servers: clustermx1.sgxchange.net, clustermx2.sgxchange.net and clustermx3.sgxchange.net.

joshkoh.com shares some mail servers with other domains, including xinzhong.com.sg, x.sgxchange.net and x2.sgxchange.net.

These mail servers are commonly used with secure.xinzhong.com.sg and mail.x2.sgxchange.net.

Hostnames with a single IP:

clustermx1.sgxchange.net points to 223.25.69.48

clustermx2.sgxchange.net points to 23.98.88.70

clustermx3.sgxchange.net points to 23.98.88.70

Hostnames resolving to 23.98.88.70: clustermx2.sgxchange.net and clustermx3.sgxchange.net