www.airbank.cz

Updated: 2020-12-01 19:25:14 UTC (1376 days ago) Go to most recent »

DNSSEC options (hide)

|?| RR types:
|?| DNSSEC algorithms:
|?| DS digest algorithms:
|?| Denial of existence:
|?| Redundant edges:
|?| Ignore RFC 8624:
|?| Ignore RFC 9276:
|?| Multi-signer:
|?| Trust anchors:
- Root zone KSK
|?| Additional trusted keys:

Notices

DNSSEC Authentication Chain

RRset status

Insecure (1)

airbank.siteone.cloud/A

Secure (3)

airbank-live.siteone.cz/CNAME
cloud/SOA
www.airbank.cz/CNAME

DNSKEY/DS/NSEC status

Secure (16)

./DNSKEY (alg 8, id 20326)
./DNSKEY (alg 8, id 26116)
NSEC3 proving non-existence of siteone.cloud/DS
airbank.cz/DNSKEY (alg 8, id 17242)
airbank.cz/DNSKEY (alg 8, id 33834)
airbank.cz/DS (alg 8, id 17242)
cloud/DNSKEY (alg 8, id 2538)
cloud/DNSKEY (alg 8, id 49804)
cloud/DS (alg 8, id 49804)
cloud/DS (alg 8, id 49804)
cz/DNSKEY (alg 13, id 20237)
cz/DNSKEY (alg 13, id 42042)
cz/DS (alg 13, id 20237)
siteone.cz/DNSKEY (alg 13, id 4939)
siteone.cz/DNSKEY (alg 13, id 56883)
siteone.cz/DS (alg 13, id 4939)

Delegation status

Insecure (1)

cloud to siteone.cloud

Secure (4)

. to cloud
. to cz
cz to airbank.cz
cz to siteone.cz

Notices

Errors (7)

NSEC3 proving non-existence of siteone.cloud/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
NSEC3 proving non-existence of siteone.cloud/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
siteone.cloud zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2600:180a:1001::1, 2600:180a:4001::1, 2600:180b:2001::1, 2600:180b:5001::1, 2600:180c:3001::1, 2600:180c:6001::1)
siteone.cz zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (195.226.217.5)
siteone.cz zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:67c:278::d45)
siteone.cz/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (195.226.217.5, UDP_-_EDNS0_512_D_K)
airbank.cz/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.

Warnings (9)

NSEC3 proving non-existence of siteone.cloud/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
NSEC3 proving non-existence of siteone.cloud/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
cloud/DS (alg 8, id 49804): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
cloud/DS (alg 8, id 49804): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
cloud/DS (alg 8, id 49804): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
cloud/DS (alg 8, id 49804): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
siteone.cz/DNSKEY (alg 13, id 4939): No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (195.226.217.5, UDP_-_EDNS0_4096_D_K)
siteone.cz/DNSKEY (alg 13, id 56883): No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (195.226.217.5, UDP_-_EDNS0_4096_D_K)
airbank.cz/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.