WWW.ROBTEX.COM - spectra.edu.sg

Search for IP or hostnames:

spectra.edu.sg checked at 2025-10-08T16:49:20.646Z 688ms 193/193/193 100% R:19

`spectra.edu.sg`

NS	`dnssec1.singnet.com.sg`
		A	2001:c20:18:a::36^{🇸🇬 SingNet}
		A	165.21.83.11^{🇸🇬 SingNet}
			PTR	`dnssec1.singnet.com.sg`
NS	`dnssec2.singnet.com.sg`
		A	165.21.100.11^{🇸🇬 SingNet}
			PTR	`dnssec3.singnet.com.sg`
NS	`dnssec3.singnet.com.sg`
		A	2001:c20:10:a::37^{🇸🇬 SingNet}
		A	165.21.100.11^{🇸🇬 SingNet}
			PTR	`dnssec3.singnet.com.sg`
MX	`spectra-edu-sg.mail.protection.outlook.com`
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc09::1^{🇸🇬 Microsoft}
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.137.2^{🇸🇬 Microsoft}
		A	52.101.157.80^{🇺🇸 Microsoft}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
A	18.136.36.203^{🇸🇬 Amazon}
		PTR	`ec2-18-136-36-203.ap-southeast-1.compute.amazonaws.com`
A	18.138.108.8^{🇸🇬 Amazon}
		PTR	`ec2-18-138-108-8.ap-southeast-1.compute.amazonaws.com`
A	18.139.47.66^{🇸🇬 Amazon}
		PTR	`ec2-18-139-47-66.ap-southeast-1.compute.amazonaws.com`

`edu.sg`

	NS	`dsany2.sgnic.sg`
	NS	`dsany3.sgnic.sg`
	NS	`dsany4.sgnic.sg`
	NS	`pch.sgzones.sg`

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AI analysis

spectra.edu.sg resolves to three IP numbers: 18.136.36.203, 18.138.108.8 and 18.139.47.66.

For instance, other host names gkps.net, ncada.org.sg, gosafeonline.sg, woodlandspri.moe.edu.sg and bendemeerpri.moe.edu.sg share IP numbers with spectra.edu.sg.

The delegation for spectra.edu.sg is handled by three name servers: dnssec1.singnet.com.sg, dnssec2.singnet.com.sg and dnssec3.singnet.com.sg.

spectra.edu.sg shares name servers with other domains at least partially, for example 154.66.115.in-addr.arpa, 106.21.165.in-addr.arpa, i-net.com.sg, pcf.org.sg and 44.127.203.in-addr.arpa.

Host names with two IP numbers:

The host name dnssec1.singnet.com.sg points to 2001:c20:18:a::36 and 165.21.83.11.

The host name dnssec3.singnet.com.sg points to 2001:c20:10:a::37 and 165.21.100.11.

Host names with one IP number:

The host name 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.

spectra.edu.sg is handled by a single mail server, spectra-edu-sg.mail.protection.outlook.com.

Host name spectra-edu-sg.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc09::1, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0, 52.101.137.2 and 52.101.157.80.

dbq