outbound.protection.outlook.com DNS history

Filter record types
No record changes with these filters Try selecting a different DNS record type.
NS +4 -4
+ outbound.protection.outlook.com 172800 NS ns1-36.azure-dns.com
+ outbound.protection.outlook.com 172800 NS ns2-36.azure-dns.net
+ outbound.protection.outlook.com 172800 NS ns3-36.azure-dns.org
+ outbound.protection.outlook.com 172800 NS ns4-36.azure-dns.info
- outbound.protection.outlook.com 3574 NS ns1-36.azure-dns.com
- outbound.protection.outlook.com 3574 NS ns2-36.azure-dns.net
- outbound.protection.outlook.com 3574 NS ns3-36.azure-dns.org
- outbound.protection.outlook.com 3574 NS ns4-36.azure-dns.info
First observed
NS +4 -0
+ outbound.protection.outlook.com 3574 NS ns1-36.azure-dns.com
+ outbound.protection.outlook.com 3574 NS ns2-36.azure-dns.net
+ outbound.protection.outlook.com 3574 NS ns3-36.azure-dns.org
+ outbound.protection.outlook.com 3574 NS ns4-36.azure-dns.info
SOA +1 -0
+ outbound.protection.outlook.com 300 SOA ns1-36.azure-dns.com hostmaster.o365filtering.com 2021562360 300 900 1209600 60