What is tfayd dot com?

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1

Just installed pihole yesterday and it's really awesome. I woke up to check the query logs overnight and saw a query spike around 2:50am (everyone was asleep) to the domains <something-random>.tfayd.com. Does anyone know what this is and whether or not I should be concerned?

2

Even when everyone was asleep it may still be part of some smartphone app, etc. Who was the requesting client?

WHOIS tfayd.com tells us the domain has been registered by

Registry Registrant ID:
Registrant Name: Domain Administrator
Registrant Organization: NBCUniversal Media, LLC
Registrant Street: 904 Sylvan Avenue,
Registrant City: Englewood Cliffs
Registrant State/Province: nj
Registrant Postal Code: 07632
Registrant Country: US
Registrant Phone: +1.8187771000
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email: domain.No email disclosed

4

Thanks DL6ER. One of my roommates works for NBC so I guess this is WAI.