Question and response
Question
dig _spf.u-strasbg.fr. CERT
Answer
The response has no answer records.
Authority
u-strasbg.fr. 1800 SOA ns1.u-strasbg.fr. hostmaster.u-strasbg.fr. 2026030900 3600 3600 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0