martingroup.co
Observed Aug 16, 2026, 16:51 UTC (3h 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
Microsoft 365Secured byLet's Encrypt
Let's EncryptIPv6 · 1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat martingroup.co actually stands on - every host below is a signed observation
martingroup.co
A / AAAA
23.185.0.12620:12a:8000::12620:12a:8001::1
2620serves the site
NS
ns33.domaincontrol.comns34.domaincontrol.com
domaincontrol.comanswers its DNS
MX
martingroup-co.mail.protection.outlook.com
Microsoft 365receives its email
TLS
martingroup.co
Let's Encryptissued its certificate
DNS Records
A 1
23.185.0.1
AAAA 2
2620:12a:8000::12620:12a:8001::1
MX 1
0martingroup-co.mail.protection.outlook.com
TXT 3
v=spf1 include:spf.protection.outlook.com -allbrevo-code:0662f2264f1b4c062aec40694d67d6e9MS=ms54867648
NS 2
ns33.domaincontrol.comns34.domaincontrol.com
SOA 1
ns33.domaincontrol.com dns.jomax.net
SRV 1
autodiscover.secureserver.net:443 p0
DMARC_RECORDS 1
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
martingroup.co |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 27 Sep 2026 14:12:16 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_27a1633a62228abe- Output Hash
5e04dc80cdcb6b88744fe5ff915b52eeb94a29f96078f116fc351fd7a6e1f34a- Signature
ed25519:d8e4a65cd6867199985bb097bbe8156b618cb58033b66b4b060cee7665ebb22eeff50d8c8a209b6a08956f4c50e6d229101e5ef3850af1036eb88374f4f0000f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast