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216.73.216.152
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_sipfederationtls._tcp.o365.tds-sharedservices.de
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_sipfederationtls._tcp.o365.tds-sharedservices.de
SPF record
Queried
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No SPF record
No SPF record found for _sipfederationtls._tcp.o365.tds-sharedservices.de
check TXT records