Name Servers
harmonicanote.com. 300 IN NS ns1.websupport.cz. harmonicanote.com. 300 IN NS ns2.websupport.cz. harmonicanote.com. 300 IN NS ns3.websupport.eu.
Mail Servers
harmonicanote.com. 600 IN MX 10 mx10.active24.cz. harmonicanote.com. 600 IN MX 100 mx20.active24.cz.
SOA Details
harmonicanote.com. 1200 IN SOA ns1.websupport.cz. admin.websupport.cz. 1774462239 7200 2048 1048576 2560
Certificate Authority Authorization
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
harmonicanote.com. 600 IN DMARC v=DMARC1; p=quarantine
DKIM
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | a |
—
|
|
|
| + Pass | mx |
—
|
|
|
| + Pass | include |
|
||
| - Fail | all |
—
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|
harmonicanote.com. 1200 IN TXT "v=spf1 a mx include:_spf.websupport.cz -all"
MTA-STS
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
Text Content
harmonicanote.com. 1200 IN TXT "google-site-verification=Gwh8mQqk66XWBKbgsnd6MWzsMIlXjdJ4uu29MG-xxbM" harmonicanote.com. 1200 IN TXT "hosting-site=harmonicanotecom"
DNSSEC Public Keys
harmonicanote.com. 1200 IN DNSKEY 256 3 13 eS7RqteYOlGbABinzGTbNPZyx7JDMgSM8YKBre+ikP6rcno9hya+nO+Qmv1qPdKLardjISBPA0NZvUFfHzj9Xg== harmonicanote.com. 1200 IN DNSKEY 257 3 13 wwJal3ThxWFE0JL3HIEd7vCspGq0YhJLTRLve4u8WU38teoU2cS7lCZ/j6P2aDprkaUyu2nR8ECadzmK8K/hxg==
Delegation Signer
harmonicanote.com. 1200 IN DS 4999 13 2 856C8D3BA9095A472E8B4E73CDD356EFA62A289BCBF5C77B0DC36EA6374B2687
DNSSEC Signatures
harmonicanote.com. 1200 IN RRSIG A 13 2 3600 1788678116 1785994316 37297 harmonicanote.com j6Y8EtRzQViMFf5eU32vmfvfsvjYB2ZZHI+PTTYSNgkfwrSUEXgYg11b2f6nXMASusa4+WZIddOomd+mnZUrTg==