Having DNS issues on one server

dig +short smtp.office365.com

Result

lb.geo.office365.com.
outlook.office365.com.g.office365.com.
outlook-latam4.office365.com.
40.102.33.226
191.232.98.210
40.102.32.146
191.232.101.130
191.232.101.178
191.232.99.178
191.232.98.242
191.232.106.2
191.232.106.34
191.232.106.18

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