Name Servers
techcoop.vn. 1200 IN NS ns1-36.azure-dns.com. techcoop.vn. 1200 IN NS ns2-36.azure-dns.net. techcoop.vn. 1200 IN NS ns3-36.azure-dns.org. techcoop.vn. 1200 IN NS ns4-36.azure-dns.info.
Mail Servers
techcoop.vn. 1200 IN MX 1 aspmx.l.google.com. techcoop.vn. 1200 IN MX 5 alt1.aspmx.l.google.com. techcoop.vn. 1200 IN MX 5 alt2.aspmx.l.google.com. techcoop.vn. 1200 IN MX 10 alt3.aspmx.l.google.com. techcoop.vn. 1200 IN MX 10 alt4.aspmx.l.google.com. techcoop.vn. 1200 IN MX 15 uwk2xjyrwlmwegfzuzazuzjys2d4dkadqea5jvw5qtcq5ljx5joa.mx-verification.google.com.
SOA Details
techcoop.vn. 1200 IN SOA ns1-36.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300
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.
techcoop.vn. 1200 IN DMARC v=DMARC1; p=reject; rua=mailto:[email protected]
DKIM
techcoop.vn. 1200 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA45VtdzjffsugUtZIvC0hN+HFUR2/xoX6i+pn1udR8TOTOp1wh8nfij+gssHRBu+jX005FSM9WCvqnGt5US8bdz8B2LyW9qJPYMiQn8dBUnlelTIldzTadTbcEy202sbVMIGpCLkUQ5PT3VoQW/uC+9PY9FzSbJZZdveQJlycnnEe1hTG+lGndv0f8VkkgJ1xsY5Vu1VlDKTzffNIsYClnQDU90Apra/vt1VtcN78bzQaCpZ87fYXZ9Fp3B63hY7GoBZdVWHQ5MDljFs2mBUOBr60Y9LKxNTi8Tp7BPVG1o9OutPa4bU+AfYFGhSFufsoyOplpWDBEncluTV2Lpqk3QIDAQAB
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | a |
—
|
|
|
| + Pass | mx |
—
|
|
|
| + Pass | include |
|
||
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
techcoop.vn. 1200 IN TXT "v=spf1 a mx include:_spf.elasticemail.com include:_spf.google.com ~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
techcoop.vn. 1200 IN TXT "anthropic-domain-verification-e2h8nh=7cbF24QbKtNORnT5pZphjWpra" techcoop.vn. 1200 IN TXT "google-site-verification=IK0mEnt0DAG7xDwNQ-tyMrS1x9DZGLz2LlSI1qrlJEk" techcoop.vn. 1200 IN TXT "hosting-site=techcoop-homepage"