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b3engineering-com-sg.mail.protection.outlook.com checked at 2025-11-27T16:57:31.844Z 133ms 100/100/100 100% R:13 allDone:true timedOut:false

`b3engineering-com-sg.mail.protection.outlook.com`

A	2a01:111:f403:cc09::2^{🇸🇬 Microsoft}
		PTR	`mail-sivp274cu00202.inbound.protection.outlook.com`
A	2a01:111:f403:cc09::3^{🇸🇬 Microsoft}
		PTR	`mail-sivp274cu00103.inbound.protection.outlook.com`
A	2a01:111:f403:cc09::4^{🇸🇬 Microsoft}
		PTR	`mail-siwp274cu00404.inbound.protection.outlook.com`
A	2a01:111:f403:cc09::5^{🇸🇬 Microsoft}
		PTR	`mail-siwp274cu00305.inbound.protection.outlook.com`
A	52.101.137.12^{🇸🇬 Microsoft}
		PTR	`mail-sivp274cu00204.inbound.protection.outlook.com`
A	52.101.137.13^{🇸🇬 Microsoft}
		PTR	`mail-sivp274cu00105.inbound.protection.outlook.com`
A	52.101.137.14^{🇸🇬 Microsoft}
		PTR	`mail-siwp274cu00406.inbound.protection.outlook.com`
A	52.101.137.15^{🇸🇬 Microsoft}
		PTR	`mail-siwp274cu00307.inbound.protection.outlook.com`

	NS	`ns1-proddns.glbdns.o365filtering.com`
	NS	`ns2-proddns.glbdns.o365filtering.com`

b3engineering.com.sg

b3engineering-com-sg.mail.protection.outlook.com serves as the mail server for b3engineering.com.sg.