rsa.org.nz
Observed Jul 26, 2026, 06:26 UTC (7d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rsa.org.nz actually stands on - every host below is a signed observation
rsa.org.nz
A / AAAA
120.138.22.140
unattributedserves the site
NS
ns2.crazydomains.comns1.crazydomains.com
crazydomains.comanswers its DNS
MX
rsa-org-nz.mail.protection.outlook.com
Microsoft 365receives its email
TLS
rsa.org.nz
Let's Encryptissued its certificate
DNS Records
A 1
120.138.22.140
MX 1
1rsa-org-nz.mail.protection.outlook.com
TXT 3
j8ap58vs7ut73ja0v5shnh4gelv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:mx1.securemx.biz include:mx2.securemx.biz include:servers.mcsv.net include:_spf.sitehost.co.nz -allv=DMARC1; p=none
NS 2
ns2.crazydomains.comns1.crazydomains.com
SOA 1
ns1.crazydomains.com admin.syrahost.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
rsa.org.nz |
C=US, O=Let's Encrypt, CN=YE2 | Wed, 23 Sep 2026 17:28:51 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_db26ebbccda047b7- Output Hash
aea43c366513093c711679262a2d080911a12e718495b9023145c8d1f9fcde52- Signature
ed25519:d0f3ca43f2b3fff654d795d89b346b06be0dc03bbed95901e6f68f62bba12950ca416f6d862ac8171fb183305cdab613d96742936c7a9cdab22a05bc5dc6620b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast