Question and response
Question
dig spf-smtprelay.isc.upenn.edu. TXT
Answer
spf-smtprelay.isc.upenn.edu. 900 TXT "v=spf1 ip4:130.91.209.102 ip4:130.91.209.138 ip4:130.91.209.11 ip4:130.91.209.104 ip4:130.91.210.136 ip4:130.91.210.138 ip4:130.91.210.143 ip4:130.91.210.145 ip6:2607:f470:1004:1::12 ip6:2607:f470:1004:1::11 ip6:2607:f470:1004:1::e ip6:2607:f470:1004:1::f" " ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0