CF1759939979035-tsm20251008082644

WWW.ROBTEX.COM - crestsec.edu.sg

Search for IP or hostnames:

crestsec.edu.sg checked at 2025-10-08T16:12:58.942Z 310ms 208/208/208 100% R:17

crestsec.edu.sg

MXaspmx.l.google.com
A2a00:1450:400c:c00::1a🇧🇪 Google
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A74.125.206.27🇺🇸 Google
PTRwk-in-f27.1e100.net
NSdnssec1.singnet.com.sg
A2001:c20:18:a::36🇸🇬 SingNet
A165.21.83.11🇸🇬 SingNet
PTRdnssec1.singnet.com.sg
NSdnssec2.singnet.com.sg
A165.21.100.11🇸🇬 SingNet
PTRdnssec3.singnet.com.sg
NSdnssec3.singnet.com.sg
A2001:c20:10:a::37🇸🇬 SingNet
A165.21.100.11🇸🇬 SingNet
PTRdnssec3.singnet.com.sg
MXalt1.aspmx.l.google.com
A2a00:1450:4013:c1e::1a🇳🇱 Google
PTRyugrqzs-in-f26.1e100.net
A192.178.213.27🇺🇸 Google
PTRyugrqzs-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:4025:c01::1b🇵🇱 Google
PTRrd-in-f27.1e100.net
A142.250.147.27🇺🇸 Google
PTRrd-in-f27.1e100.net
MXalt3.aspmx.l.google.com
A2a00:1450:4025:402::1a🇳🇱 Google
PTRrb-in-f26.1e100.net
A142.250.102.27🇺🇸 Google
PTRrb-in-f27.1e100.net
MXalt4.aspmx.l.google.com
A2404:6800:4003:c06::1a🇸🇬 Google
PTRsm-in-f26.1e100.net
A142.250.4.27🇺🇸 Google
PTRsm-in-f27.1e100.net
A18.136.36.203🇸🇬 Amazon
PTRec2-18-136-36-203.ap-southeast-1.compute.amazonaws.com

edu.sg

NSdsany2.sgnic.sg
NSdsany3.sgnic.sg
NSdsany4.sgnic.sg
NSpch.sgzones.sg

Starts with same word

Starts similarily

AI analysis

crestsec.edu.sg points to a single IP address: 18.136.36.203.

Other host names such as regentsec.moe.edu.sg, sportsingapore.gov.sg, marinabaycountdown.sg, evergreensec.moe.edu.sg and www.lab.gov.sg share IP numbers with crestsec.edu.sg.

crestsec.edu.sg is delegated to three name servers: dnssec1.singnet.com.sg, dnssec2.singnet.com.sg and dnssec3.singnet.com.sg.

At least part of the name servers for crestsec.edu.sg are shared with other domains, for instance 107.106.128.in-addr.arpa, 157.255.220.in-addr.arpa, 151.125.203.in-addr.arpa, 173.42.115.in-addr.arpa and 80.185.58.in-addr.arpa.

These name servers are commonly used alongside the name servers secdns2.starhub.net.sg.

Host names with two IP numbers:

dnssec1.singnet.com.sg points to 2001:c20:18:a::36 and 165.21.83.11; dnssec3.singnet.com.sg points to 2001:c20:10:a::37 and 165.21.100.11.

Host names with one IP number:

dnssec2.singnet.com.sg points to 165.21.100.11.

Host names that point to 165.21.100.11: dnssec3.singnet.com.sg and dnssec2.singnet.com.sg.

crestsec.edu.sg is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

crestsec.edu.sg shares at least some mail servers with other domains, for example fanova.com, leocom.kr, nordbergorthodontics.com, artteachers.info and happywriting.co.

these mail servers are often used together with the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com and _dc-mx.6e815f2ba44c.artteachers.info.

Host names with two IP numbers: aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 74.125.206.27; alt1.aspmx.l.google.com points to 2a00:1450:4013:c1e::1a and 192.178.213.27; alt2.aspmx.l.google.com points to 2a00:1450:4025:c01::1b and 142.250.147.27; alt3.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.27; alt4.aspmx.l.google.com points to 2404:6800:4003:c06::1a and 142.250.4.27.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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DQSJngp CF johedugfp 2025-10-08