duobank.com
Observed Jul 27, 2026, 20:19 UTC (4d 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 byProofpoint
Secured byLet's Encrypt
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat duobank.com actually stands on - every host below is a signed observation
duobank.com
A / AAAA
172.66.167.55104.20.25.872606:4700:10::ac42:a7372606:4700:10::6814:1957
2606serves the site
NS
brianna.ns.cloudflare.combruce.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx0c-001cac01.pphosted.commx0d-001cac01.pphosted.com
Proofpointreceives its email
TLS
duobank.com
Let's Encryptissued its certificate
DNS Records
A 2
172.66.167.55104.20.25.87
AAAA 2
2606:4700:10::ac42:a7372606:4700:10::6814:1957
MX 2
10mx0c-001cac01.pphosted.com10mx0d-001cac01.pphosted.com
TXT 8
3rt4wldxkls3lqfdp1t4gm8fnsndkp7t7eL6nel10y9coJoewHFEkoTP5Nov4LBPifhl3PkSKtA=MS=ms94185568amazonses:9dM6FtkoCv5vUXUr/npmNhman59a+QAK2b+RshOVVUM=amazonses:iZcDbJAARs3WxU+E5YnR6Z0qhUwm8hJ+b8l02ibPG/A=apple-domain-verification=O91VuTx1qSDZs23cdoubankredirect.azurewebsites.netv=spf1 include:spf.protection.outlook.com include:spf-001cac01.pphosted.com include:amazonses.com ip4:40.82.184.101 ip4:40.80.248.181 ip4:54.240.43.16 -all
NS 2
brianna.ns.cloudflare.combruce.ns.cloudflare.com
SOA 1
brianna.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
duobank.com |
C=US, O=Let's Encrypt, CN=YE1 | Mon, 07 Sep 2026 18:16:27 +0000 |
YE1 |
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 (0)
None observed.
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_41725219692aaf05- Output Hash
098b51620b127270d6954695a235550472756693c02d3fedb72cd50058131b3a- Signature
ed25519:82375998769af82492da90292cf3bb1e23cd34f81d24885eb0ae2236bb5775df53f5b6176f98b3a2ee04e196e1e1813b923b3a5f9e8f465312e8faef0c72e00c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast