alf.ua
Observed Jul 23, 2026, 10:29 UTC (2d 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
Secured byLet's Encrypt
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat alf.ua actually stands on - every host below is a signed observation
alf.ua
A / AAAA
77.88.216.78
unattributedserves the site
NS
nsd4.srv53.comnsb4.srv53.orgnsc4.srv53.netnsa2.srv53.net+8 more
srv53.com + srv53.org + moreanswers its DNS
MX
post.alf-ua.commail.alf.ua
alf-ua.com + alf.uareceives its email
TLS
alf.ua
Let's Encryptissued its certificate
DNS Records
A 1
77.88.216.78
MX 2
10post.alf-ua.com20mail.alf.ua
TXT 2
v=spf1 mx ip4:77.88.252.73 a:post.alf-ua.com ~allv=DMARC1; p=none; pct=100; rua=mailto:admin@alf-ua.com
NS 12
nsd4.srv53.comnsb4.srv53.orgnsc4.srv53.netnsa2.srv53.netnsb2.srv53.comnsb3.srv53.netnsa4.srv53.comnsa4.srv53.orgnsc1.srv53.comnsc3.srv53.org
SOA 1
nsa2.srv53.net support.dnshosting.org
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
alf.ua |
C=US, O=Let's Encrypt, CN=YR1 | Fri, 25 Sep 2026 03:30:01 +0000 |
YR1 |
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 (1)
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_bada99b173275baf- Output Hash
48e7380176285e2ccb35be4c3153dd69476c796468a034e005a2b274ba2a8bbf- Signature
ed25519:52f98fef06e5b747b76230aad11196f62fb7eae5224ba9e5d1979a95e0de60b1d688089866afe9f06028f81e91a8e327d20b002be46c7b390fddcc3b3b08ca0c- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast