rk.com
Observed Jul 27, 2026, 18:07 UTC (5d 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
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rk.com actually stands on - every host below is a signed observation
rk.com
A / AAAA
66.254.114.234
unattributedserves the site
NS
ns-92.awsdns-11.comsdns3.ultradns.bizsdns3.ultradns.comsdns3.ultradns.net+4 more
awsdns-11.com + ultradns.biz + moreanswers its DNS
MX
mxa-002a0701.gslb.pphosted.commxb-002a0701.gslb.pphosted.com
Proofpointreceives its email
TLS
rk.com
Let's Encryptissued its certificate
DNS Records
A 1
66.254.114.234
MX 2
10mxa-002a0701.gslb.pphosted.com10mxb-002a0701.gslb.pphosted.com
TXT 6
ms=ms12673904580tyszr5g8kgpkp9scmsgl1bc22rhcylg4p8t33zj6b9p2ywrnpx8l8491h8bsngoogle-site-verification=jY6rwjN7R1yotXyy2MTHyfth6x-l0PUUyN9emC6KQEYspf2.0/pra,mfrom +ip4:208.91.205.0/27 +ip4:208.91.205.151 +mx +a -allv=spf1 include:_spf.rocketgate.com ip4:208.91.205.0/27 ip4:208.91.205.151 a mx -all
NS 8
ns-92.awsdns-11.comsdns3.ultradns.bizsdns3.ultradns.comsdns3.ultradns.netsdns3.ultradns.orgns-531.awsdns-02.netns-1499.awsdns-59.orgns-1567.awsdns-03.co.uk
SOA 1
sdns3.ultradns.net dns.mindgeek.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
rk.com |
C=US, O=Let's Encrypt, CN=YE2 | Thu, 22 Oct 2026 14:58:46 +0000 |
YE2 |
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_23576a4e036af2b4- Output Hash
2f1f5f87dcaa26e1d641c274bbf7cc9b0d06def139d4b7d4f7e77024b7e11b9e- Signature
ed25519:f15bbf2a839e88b7609364aa4a9c05474b2b545bbb2643857540344dbf74a9517130bbd2538ec30b163dd230da8be3561a9b187afd532ce0caee18cf450af505- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast