Microsoft’s DNS Drama: OTP Delivery Failures Strike Again!
Microsoft is tackling a DNS misconfiguration causing delivery failures for one-time passcode messages in Exchange Online. Some users might not receive these vital OTP emails due to a DNS hiccup. Microsoft’s on it, reaching out to affected users and hoping this issue doesn’t become another entry in their DNS blooper reel.

Hot Take:
Looks like Microsoft’s DNS settings are at it again, playing hide-and-seek with one-time passcodes like they’re in a cybersecurity version of Where’s Waldo. If only DNS stood for Do Not Screw-up, maybe these mishaps would be rarer than a unicorn riding a bicycle!
Key Points:
- Microsoft is fixing a DNS misconfiguration affecting OTP delivery in Exchange Online.
- OTP emails are crucial for accessing encrypted messages without a Microsoft 365 subscription.
- The issue is due to DNS records being removed for the OTP-generating domain.
- Microsoft has marked this as a critical service issue, impacting numerous users.
- This isn’t Microsoft’s first DNS rodeo; similar issues have plagued them before.
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