recursivepenguin.com
Observed Jul 29, 2026, 12:01 UTC (8h 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.
Not responding
Runs onCloudflare
Email byProtonMail
Secured byGoogle Trust Services
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat recursivepenguin.com actually stands on - every host below is a signed observation
recursivepenguin.com
A / AAAA
104.21.78.97172.67.219.2402606:4700:3032::6815:4e612606:4700:3036::ac43:dbf0
Cloudflareserves the site
NS
rayne.ns.cloudflare.comaragorn.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mail.protonmail.chmailsec.protonmail.ch
ProtonMailreceives its email
TLS
recursivepenguin.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.78.97172.67.219.240
AAAA 2
2606:4700:3032::6815:4e612606:4700:3036::ac43:dbf0
MX 2
10mail.protonmail.ch20mailsec.protonmail.ch
TXT 4
djzubjicktv=spf1 include:_spf.protonmail.ch mx ~allprotonmail-verification=3be0110a1307b74ac1d05f460f1badfe14694db3v=DMARC1; p=quarantine; rua=mailto:colin@recursivepenguin.com
NS 2
rayne.ns.cloudflare.comaragorn.ns.cloudflare.com
SOA 1
aragorn.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
recursivepenguin.com |
C=US, O=Google Trust Services, CN=WE1 | Thu, 24 Sep 2026 14:50:34 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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_ddcfd844243b5d27- Output Hash
e52b81cb1d025444a9fb16011e4ea2e8d7e19eac9b99ddb7d6ab9e4e402ce954- Signature
ed25519:21e546be5d5a299da77e764f2d490beb7f64871f5960bf22982518f7c68422261fa86f2a36675258f4344a09ddb23a3cf2789c5c67a2ccdaddf3ca0d8bc18f06- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast