rjf.com
Observed Jul 18, 2026, 15:23 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Runs onCloudflare
Email byProofpoint
Registered withMarkMonitor Inc.
Also usesDockerGoogle Search Console
7 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rjf.com actually stands on - every host below is a signed observation
rjf.com
A / AAAA
69.192.139.10869.192.139.72
Cloudflareserves the site
NS
a16-65.akam.neta3-66.akam.neta2-65.akam.neta7-67.akam.net+2 more
akam.netanswers its DNS
MX
mxb-00030606.gslb.pphosted.commxa-00030606.gslb.pphosted.com
Proofpointreceives its email
HTTPS probe
server_error
Server error (5xx) 520 Server Error
HTTP status520
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time41 ms
DNS resolutionNOERROR
Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 2
69.192.139.10869.192.139.72
MX 2
10mxb-00030606.gslb.pphosted.com10mxa-00030606.gslb.pphosted.com
TXT 18
MS=ms91233418Dynatrace-site-verification=b8504d38-7fa7-4ed9-9282-e2e9fa89213e__29gpqoncjbvie6mtehcr5h9tisophos-domain-verification=261fddb2fdc83cf42c842c7d4c7f1e9625deabfa15636f68e7c4f55304b97ae7ecostruxure-it-verification=c46e5a32-0bc4-4d72-bc6b-cc187798f593openai-domain-verification=dv-WHAzGh9OMPoEBwyI57GoGwdlmentimeter-78c13efd-8d54-42c2-8bbb-3bee978f019edocker-verification=7e7737fc-a212-4d62-9ece-dccb98fdea45_jcjc8f66fi1839z95fz88pwhv2u2towsophos-domain-verification=6e542b66bfb898e1864f8d67972c571f7a92636e7add0d943a153da78fb4d3f5anthropic-domain-verification-2sb1fx=xmRDve99JDa6Uzu6Wtqo0d2Wd
NS 6
a16-65.akam.neta3-66.akam.neta2-65.akam.neta7-67.akam.neta10-65.akam.neta1-20.akam.net
SOA 1
hogfish40.rjf.com hostmaster.rjf.com
TLS Certificates (0)
None.
Subdomains (7)
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
b2be35fb-686e-4dba-89a0-698caad814f7- Output Hash
182e9bccdbcfa46cfa31b085d7d7f797eb7e08be127bc196a229e3768a78d608- Signature
ed25519:ac14b0bbfc40b170fce18a1b121391a21be0ad77972bae80c0ef952b26f1c15e4b4d3892c8974af8cdbece052d7f7a1f8f94fab58b0b308d7d2dc9639029140f- Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff- Parent
(genesis)- Plane
- fast