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216.73.217.38
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_spf.cisco.com
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_spf.cisco.com
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First observed
NS
+3
-0
+
_spf.cisco.com 1800 NS ns1.cisco.com
+
_spf.cisco.com 1800 NS ns2.cisco.com
+
_spf.cisco.com 1800 NS ns3.cisco.com
SOA
+1
-0
+
_spf.cisco.com 1800 SOA ns1.cisco.com postmaster.cisco.com 20 7200 1800 864000 1800