fjext.centrica.com zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (194.176.192.146, 194.176.192.178)
fjext.centrica.com/DNSKEY: The TCP connection was refused (ECONNREFUSED). See RFC 1035, Sec. 4.2. (194.176.192.146, 194.176.192.178, TCP_-_EDNS0_4096_D_K)
fjext.centrica.com/SOA: The TCP connection was refused (ECONNREFUSED). See RFC 1035, Sec. 4.2. (194.176.192.146, 194.176.192.178, TCP_-_EDNS0_4096_D)
fjext.centrica.com/NS has errors; select the "Denial of existence" DNSSEC option to see them.
fjext.centrica.com/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
fjext.centrica.com/A has errors; select the "Denial of existence" DNSSEC option to see them.
fjext.centrica.com/MX has errors; select the "Denial of existence" DNSSEC option to see them.
fjext.centrica.com/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
fjext.centrica.com/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
z4vf2x9n65.fjext.centrica.com/A has errors; select the "Denial of existence" DNSSEC option to see them.
fjext.centrica.com/TXT has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (5)
RRSIG fjext.centrica.com/SOA alg 5, id 4278: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
RRSIG fjext.centrica.com/SOA alg 5, id 44052: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
fjext.centrica.com/DNSKEY: The Authoritative Answer (AA) flag was not set in the response. See RFC 1035, Sec. 4.1.1. (194.176.192.146, 194.176.192.178, UDP_-_EDNS0_512_D_K)
fjext.centrica.com/DNSKEY: The server responded with no OPT record, rather than with RCODE FORMERR. See RFC 6891, Sec. 7. (194.176.192.146, 194.176.192.178, UDP_-_EDNS0_512_D_K)
fjext.centrica.com/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.