Name Servers
samirdev.com.br. 1200 IN NS alexa.ns.cloudflare.com. samirdev.com.br. 1200 IN NS lars.ns.cloudflare.com.
Mail Servers
samirdev.com.br. 300 IN MX 10 mail.protonmail.ch. samirdev.com.br. 300 IN MX 20 mailsec.protonmail.ch.
SOA Details
samirdev.com.br. 1200 IN SOA alexa.ns.cloudflare.com. dns.cloudflare.com. 2414189346 10000 2400 604800 1800
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.
samirdev.com.br. 300 IN DMARC v=DMARC1; p=quarantine
DKIM
samirdev.com.br. 1200 IN DKIM v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArO0fBjCXtGQ0E4RKmeO/TNCB7D3zWOg1B6T5iBW8XDTYUI0xH7usSpmOOxsfzoyghSg+YjUOAnqecS1j3HnG+usjiqBC89i6/sQ9WrPfGKvBsRzDHnhCnNvZN0kBdt9mbEJ1hsVCD7hs0Bg0GWp10MpI/etg3Nq8Ca2dV+VndvcbBnxpI8OOP/FMwkFpcAbSvcZZ6IYpCLi72UjpLBOS/U74VoZqhgDsFeS6cD9AKp5fkcyURWrzdR+OV2ehINE0DkyK9yHA4z2V/M7xsn0oJbgmgVGyHR9uGmweytoe7O6vwsFM8jnS7tpHhlzYaWYjsFtp/p6SlavVUYKAtDZc/QIDAQAB; samirdev.com.br. 1199 IN DKIM v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuo9pJZgtPLZDPMbHgQqoTcuItFJuUbuU7n+oVwCu6bv/btrAm41qheC7znitkOEdkI1+p9OTknhtue/3mkuobGJFC4uIrY26X717QuphLllEr7ajDI+HYQv63SxGHvGnAK+ph58tVG5pBzlyOgvTLPJxsWuBK7bIqvfkzspn8Wbi17faEyfQmbpg3g2V/5lZmVHAx6au7raykz84oLH8eUqwGilUqgA0Zo/V4mzrtuPtLwWgyyFnid2H98tSY/oQJ+lwdptApTBxmIldi2O2ORdOtX71SEt8zOjRqWnlXpHm/5r2VJLzNShwa64nIs2MdEkvwWeXwP8k8caBCOohJQIDAQAB;
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
samirdev.com.br. 300 IN TXT "v=spf1 include:_spf.protonmail.ch ~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
samirdev.com.br. 300 IN TXT "protonmail-verification=1ef44f0aff89bb0d379c6bda1caeb544d3be9328" samirdev.com.br. 300 IN TXT "hosting-site=samirdev-fa181"