rchow.dev
Observed Aug 16, 2026, 11:11 UTC (22h 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 byProtonMail
Secured byLet's Encrypt
Also usesProton MailGoogle Search Console
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for rchow.dev in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat rchow.dev actually stands on - every host below is a signed observation
rchow.dev
A / AAAA
216.150.1.1
unattributedserves the site
NS
ns1dhq.name.comns2dfg.name.comns3dkz.name.comns4fpy.name.com
name.comanswers its DNS
MX
mail.protonmail.chmailsec.protonmail.ch
ProtonMailreceives its email
TLS
rchow.dev
Let's Encryptissued its certificate
DNS Records
A 1
216.150.1.1
MX 2
10mail.protonmail.ch20mailsec.protonmail.ch
TXT 3
protonmail-verification=ab7fa5953acd37dfa5a9dc8cf95af4d9b65056d0v=spf1 include:_spf.protonmail.ch mx ~allgoogle-site-verification=tqsiD2Xj-h_KLRzbBI7b0tNP61cdtKYY6GatfnTFmog
NS 4
ns1dhq.name.comns2dfg.name.comns3dkz.name.comns4fpy.name.com
SOA 1
ns1.name.com hostmaster.nsone.net
DMARC_RECORDS 1
v=DMARC1; p=none
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
rchow.dev |
C=US, O=Let's Encrypt, CN=YR2 | Sat, 07 Nov 2026 19:51:21 +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 (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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_da9c4005f63baa5a- Output Hash
259f138d0c8d42045a9d297fd677cda368fd8e573ae424095b3da9d860a61035- Signature
ed25519:f3ca901a97afa3ecd1f974de5d5782f2d2d125b48ca450aa5296e2c1908795d4568893cb80b42270754a3ed1d8f0503bd56ff689d3ee422eec8709948b4cf105- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast