arsen.co
Observed Jul 25, 2026, 23:07 UTC (6d 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 byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arsen.co actually stands on - every host below is a signed observation
arsen.co
A / AAAA
75.2.60.5
unattributedserves the site
NS
raina.ns.cloudflare.comram.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
arsen.co
Let's Encryptissued its certificate
DNS Records
A 1
75.2.60.5
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 13
1g41j9zobwvzrdl8ammueaygkuo6nh9lMS=ms35560561ZU6T5MVDKYXWJ9ZP4QG2WYNMZWRFW50H93NBKQN1apple-domain-verification=dtxpK0yWvyquhN4Sasn-verification=c37ce04767be89ea5c3a724f91cd17cf9b82efbcc7b0b3a8b762fe38d1a7f762brevo-code:bf0d2a62f286a728adc8d5297c9dd8d0firebase=arsen-appgoogle-site-verification=HUFqtqiBE1wN4kNKrpzXPPaRGKvHWnfrK_3rEmOyaSsgoogle-site-verification=us_uLRqljzlcBhomtvCRNMVEtQ2zAXh88oCBkWf1WPslinkedin-site-verification=7297094b-dadd-42be-ad39-9a4c6dfb8fd5
NS 2
raina.ns.cloudflare.comram.ns.cloudflare.com
SOA 1
raina.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
arsen.co |
C=US, O=Let's Encrypt, CN=YE1 | Tue, 20 Oct 2026 20:33:47 +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 (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_6e55c78b15a4d161- Output Hash
406548ef678d9161ae328e45451099b7fb5d10acf8f9a97110fc5cf7802d5dfc- Signature
ed25519:7d6445c5dc84fb0c6cdca6a98f5674036c30a3e93fe7469e50e15cb4361aeea1d196920211d61d044720b46f389495245ac25c7a186898e95f6ecfa01941380f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast