DNSWHOIS.INFO - w1.sjc.efrontier.com

Search for IP or hostnames:

w1.sjc.efrontier.com checked at 2025-10-17T07:40:03.744Z 520ms 63/63/63 100% R:13

`w1.sjc.efrontier.com`

MX	`adobe.mail.protection.outlook.com`
		A	52.101.8.36^{🇺🇸 Microsoft}
		A	52.101.8.51^{🇺🇸 Microsoft}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
		A	52.101.194.12^{🇺🇸 Microsoft}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
MX	`support-efrontier-com.mail.protection.outlook.com`
		A	52.101.9.17^{🇺🇸 Microsoft}
		A	52.101.41.58^{🇺🇸 Microsoft}
			PTR	`mail-sj0pr02cu00102.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`

`sjc.efrontier.com`

	MX	`adobe.mail.protection.outlook.com`
	MX	`support-efrontier-com.mail.protection.outlook.com`

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AI analysis

Two mail servers adobe.mail.protection.outlook.com and support-efrontier-com.mail.protection.outlook.com handle w1.sjc.efrontier.com.

w1.sjc.efrontier.com uses the same mail server setup as other domains such as reserved-208-91-174-100.reserved.efrontier.com, ns108.efrontier.com, dns-00.efrontier.com, ns4.efrontier.com and reserved-148.sjc.efrontier.com.

w1.sjc.efrontier.com shares some mail servers with other domains, including maincdn.adobestock.com, intelligentoptimisation.com, visualsciences.com, adobeindia.com and toutapp.com.

these mail servers are often used alongside the mail servers visualsciences-com.mail.protection.outlook.com, omniture-com.mail.protection.outlook.com, adobe-com.mail.protection.outlook.com and toutapp-com.mail.protection.outlook.com.

Host names with four IP numbers:

adobe.mail.protection.outlook.com points to: 52.101.8.36, 52.101.8.51, 52.101.42.18 and 52.101.194.12.

support-efrontier-com.mail.protection.outlook.com points to: 52.101.9.17, 52.101.41.58, 52.101.42.14 and 52.101.42.18.

Names pointing to 52.101.42.18: adobe.mail.protection.outlook.com and support-efrontier-com.mail.protection.outlook.com.

Note that 52.101.42.18 is shared by adobe.mail.protection.outlook.com and support-efrontier-com.mail.protection.outlook.com.

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