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| CNAME | substrate.office.com |
| CNAME | outlook.office365.com |
| CNAME | ooc-g2.tm-4.office.com |
| A | 2603:1036:207:2001::2🇺🇸 Microsoft |
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| A | 2603:1036:302:415f::2🇺🇸 Microsoft |
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| A | 2603:1036:302:5061::2🇺🇸 Microsoft |
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| A | 40.97.190.18🇺🇸 Microsoft |
| A | 40.104.16.226🇺🇸 Microsoft |
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| A | 40.104.46.82🇺🇸 Microsoft |
| A | 52.96.64.130🇺🇸 Microsoft |
| A | 52.96.88.82🇺🇸 Microsoft |
| A | 52.96.111.66🇺🇸 Microsoft |
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