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Comcast Xfinity DNS Servers
https://www.xfinity.com/
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IPv4
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Primary DNS:
75.75.75.75
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Secondary DNS:
75.75.76.76
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IPv6
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Primary DNS:
2001:558:feed::1
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Secondary DNS:
2001:558:feed::2
- Alaska Communications
- AT&T
- Centurylink
- Charter Communications
- Cincinnati Bell
- EarthLink
- Google Fibre
- Spectrum