WWW.RTSAK.COM - coredu.org

Search for IP or hostnames:

coredu.org checked at 2025-10-16T17:07:52.785Z 157ms 103/103/103 100% R:11

`coredu.org`

MX	`mx1-us1.ppe-hosted.com`
		A	67.231.154.162^{🇺🇸 Proofpoint}
			PTR	`mx1-us1.ppe-hosted.com`
		A	148.163.129.50^{🇺🇸 AS13916}
			PTR	`mx1-us1.ppe-hosted.com`
MX	`mx2-us1.ppe-hosted.com`
		A	67.231.154.163^{🇺🇸 Proofpoint}
			PTR	`mx2-us1.ppe-hosted.com`
		A	148.163.129.51^{🇺🇸 AS13916}
			PTR	`mx2-us1.ppe-hosted.com`
NS	`ns1.wordpress.com`
		A	2a04:fa87:ffff::c6b5:7409 ^{🇮🇪 Automattic}
			PTR	`ns1.wordpress.com`
		A	198.181.116.9^{🇺🇸 Automattic}
			PTR	`ns1.wordpress.com`
NS	`ns2.wordpress.com`
		A	2a04:fa87:ffff::c6b5:7509 ^{🇮🇪 Automattic}
			PTR	`ns2.wordpress.com`
		A	198.181.117.9^{🇺🇸 Automattic}
			PTR	`ns2.wordpress.com`
NS	`ns3.wordpress.com`
		A	2620:115:c00f::c000:4a09 ^{🇺🇸 Automattic}
			PTR	`ns3.wordpress.com`
		A	192.0.74.9^{🇺🇸 Automattic}
			PTR	`ns3.wordpress.com`
A	192.0.78.151^{🇺🇸 Automattic}
A	192.0.78.235^{🇺🇸 Automattic}

`org`

	NS	`a0.org.afilias-nst.info`
	NS	`a2.org.afilias-nst.info`
	NS	`c0.org.afilias-nst.info`
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`d0.org.afilias-nst.org`

Up

smtp.coredu.org

Starts with same word

coredu.mp

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coredu.fr

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coredu.org

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AI analysis

coredu.org is the parent of smtp.coredu.org.

coredu.org resolves to two IPs: 192.0.78.151 and 192.0.78.235.

other host names for instance thecoast.ca, labeille.jp, weyfarm-outdoors.co.uk, auser.it and personweb.com share IP numbers with coredu.org.

coredu.org is delegated to three name servers: ns1.wordpress.com, ns2.wordpress.com and ns3.wordpress.com.

coredu.org at least partially shares name servers with other domains, for instance youthmusicalive.com, off-cuts.com, p-line-europe.com, agentamyfox.com and econ4all.com.

Host names with two IP numbers:

Host ns1.wordpress.com points to 2a04:fa87:ffff::c6b5:7409 and 198.181.116.9.

Host ns2.wordpress.com points to 2a04:fa87:ffff::c6b5:7509 and 198.181.117.9.

Host ns3.wordpress.com points to 2620:115:c00f::c000:4a09 and 192.0.74.9.

coredu.org is handled by two mail servers: mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com.

coredu.org shares the same mail server setup as other domains, for instance sallymelby.com, cdsorlando.com, cariconnect.com, betmaxaction.com and taxshop.tax.

coredu.org shares mail servers with other domains at least partially, including mbtechperu.com, bakerssigns.com, newitech-inc.com, cfdrealty.com and oklahomasheriffs.com.

Host names with two IP numbers:

mx1-us1.ppe-hosted.com points to 67.231.154.162 and 148.163.129.50

mx2-us1.ppe-hosted.com points to 67.231.154.163 and 148.163.129.51

dbq