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spfb.itesm.mx
www.spfb.itesm.mx
itesm.mx
mx
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spfb.itesm.mx
3600
v=spf1 ip4:
205.201.128.0
/20 ip4:
198.2.128.0
/18 ip4:
148.105.8.0
/21 ~all
Name
TTL
Value
spfb.itesm.mx
3600
1 hour
v=spf1 ip4:
205.201.128.0
/20 ip4:
198.2.128.0
/18 ip4:
148.105.8.0
/21 ~all