Проверка DKIM-записи домена

DNS-запись relay._domainkey.chsnab.chukotka.ru с типом TXT опубликована:
v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA933HteoLChbEi1/GJ11vbUQ2ORXETkFkSDTqSmnYv/eYR9PSSx+SC3CzQ/otUI679hiY9EDRYN3cXbJTpX3ND6PHY/05RX3OPnYe8sn6MK9am1GepuMFwuP9UfBnfbsbkFHGK8g7VAaTbQsXB+sPgneprvVZ7R/g52V3bk0Ns1NT7f0XzCryx5s
" "7w87cz5gshPJVD8hQplsdZv3DjlM2bGbkxbERhG3HGWp8ovBowdMHDyDLYiKRyPAGDIDo630IA6j47Wv/J1skBbcAhchXP3eay3rOiN7AfuINcuzewvKO7kOlYHFEa3I/iwyo5XIwB6Rv1n2tyvu+mUaz0HI4OwIDAQAB