ird.govt.nz
Live email deliverability and anti-spoofing audit. Every value below was read from public DNS at the moment this page was generated.
97/100 — This domain is configured correctly for both sending and receiving. Accepts mail · Protected against spoofing · Hosted by Microsoft 365
Findings
-
mx redundancy
Only one mail exchanger is published, so there is no failover.
irnz-ird-govt-nz.mail.protection.outlook.com
Fix: Add a secondary MX at a higher priority number.
-
mx
Mail is handled by Microsoft 365.
10 irnz-ird-govt-nz.mail.protection.outlook.com
-
spf
SPF is published and enforcing.
v=spf1 include:spf.protection.outlook.com include:spf_c.oraclecloud.com -all
-
dmarc
DMARC is enforcing with p=reject.
v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:dmarc.rua@ird.govt.nz,mailto:2gx8x36j7h@rua.powerdmarc.com;
-
dkim
DKIM keys found for 2 selectors.
selector1._domainkey, selector2._domainkey
-
mta sts
MTA-STS is published, so senders will refuse to downgrade to plaintext SMTP.
v=STSv1; id=20262505v01;
-
tls rpt
TLS reporting is enabled.
v=TLSRPTv1; rua=mailto:tls-rpt@ird.govt.nz,mailto:2gx8x36j7h@tls.powerdmarc.com
Records
| MX | 10 irnz-ird-govt-nz.mail.protection.outlook.com |
|---|---|
| SPF | v=spf1 include:spf.protection.outlook.com include:spf_c.oraclecloud.com -all |
| DMARC | v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:dmarc.rua@ird.govt.nz,mailto:2gx8x36j7h@rua.powerdmarc.com; |
| DKIM selectors | selector1, selector2 |
| MTA-STS | published |
| TLS-RPT | published |
| BIMI | not published |
| DNSSEC | not validating |
Same data, as JSON, in one request. No SMTP probing, no stored recipient data, 250 free calls a month.
curl "https://mailgrade.dev/v1/domain?domain=ird.govt.nz"
Also available: /v1/verify?email=… for individual addresses, and
/v1/verify/batch for lists.