smtp.office365.com DNS history

Filter record types
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A +3 -4
+ FRA-efz.ms-acdc.office.com 10 A 40.99.149.146
+ FRA-efz.ms-acdc.office.com 10 A 52.98.253.18
+ FRA-efz.ms-acdc.office.com 10 A 52.98.253.66
- HHN-efz.ms-acdc.office.com 10 A 40.99.150.2
- HHN-efz.ms-acdc.office.com 10 A 40.99.150.50
- HHN-efz.ms-acdc.office.com 10 A 52.98.228.50
- HHN-efz.ms-acdc.office.com 10 A 52.98.243.50
AAAA +3 -4
+ FRA-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:1006::2
+ FRA-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:1020::2
+ FRA-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:76::2
- HHN-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:1803::2
- HHN-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:82d::2
- HHN-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:82f::2
- HHN-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:c2b::2
SOA +1 -1
+ ms-acdc.office.com 60 SOA ns1-ms-acdc.office.com hostmaster.microsoft.com 2027608884 900 600 86400 60
- ms-acdc.office.com 60 SOA ns1-ms-acdc.office.com hostmaster.microsoft.com 2026937430 900 600 86400 60
First observed
A +4 -0
+ HHN-efz.ms-acdc.office.com 10 A 40.99.150.2
+ HHN-efz.ms-acdc.office.com 10 A 40.99.150.50
+ HHN-efz.ms-acdc.office.com 10 A 52.98.228.50
+ HHN-efz.ms-acdc.office.com 10 A 52.98.243.50
AAAA +4 -0
+ HHN-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:1803::2
+ HHN-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:82d::2
+ HHN-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:82f::2
+ HHN-efz.ms-acdc.office.com 10 AAAA 2603:1026:c0d:c2b::2
CNAME +1 -0
+ smtp.office365.com 300 CNAME outlook.office365.com
SOA +1 -0
+ ms-acdc.office.com 60 SOA ns1-ms-acdc.office.com hostmaster.microsoft.com 2026937430 900 600 86400 60