rtt.hk
Observed Jul 25, 2026, 02:13 UTC (7d 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
Signed observation on record.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rtt.hk actually stands on - every host below is a signed observation
rtt.hk
A / AAAA
104.251.224.165
unattributedserves the site
NS
charles.ns.cloudflare.comrose.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
spool.mail.gandi.netfb.mail.gandi.net
gandi.netreceives its email
DNS Records
A 1
104.251.224.165
MX 2
10spool.mail.gandi.net50fb.mail.gandi.net
TXT 1
v=spf1 include:_mailcust.gandi.net ?all
NS 2
charles.ns.cloudflare.comrose.ns.cloudflare.com
SOA 1
charles.ns.cloudflare.com dns.cloudflare.com
SRV 2
mail.gandi.net:993 p0mail.gandi.net:465 p0
TLS Certificates (0)
None.
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_838e56a26b049eb3- Output Hash
8a4b6efdcf8fdeaf055d7cbbb315d02995a21f045150dfec4eef48cb65f4e737- Signature
ed25519:1e9001b15cca018f5fa98fe0855b9228b52ed77fc56fe28107baf00944f8afc2bc90512cfcb18366479d86fa2a774d16f1b2668376aaa25299e6ad3ccc2d3c0c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast