Question and response
Question
dig spf1.coresite.com. TXT
Answer
spf1.coresite.com. 300 TXT "v=spf1 ip4:209.46.45.218 ip4:209.235.8.30 ip4:209.235.10.36 ip4:216.205.90.92 -all"
Authority
coresite.com. 172800 NS ns-1194.awsdns-21.org.
coresite.com. 172800 NS ns-1952.awsdns-52.co.uk.
coresite.com. 172800 NS ns-437.awsdns-54.com.
coresite.com. 172800 NS ns-874.awsdns-45.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0