zse.sk
Observed Jul 25, 2026, 14:52 UTC (8d 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 byMicrosoft 365
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 zse.sk actually stands on - every host below is a signed observation
zse.sk
A / AAAA
52.178.13.204
unattributedserves the site
NS
ns1-02.azure-dns.comns2-02.azure-dns.netns3-02.azure-dns.orgns4-02.azure-dns.info
azure-dns.com + azure-dns.net + moreanswers its DNS
MX
zse-sk.mail.protection.outlook.com
Microsoft 365receives its email
TLS
zse.sk
Let's Encryptissued its certificate
DNS Records
A 1
52.178.13.204
MX 1
0zse-sk.mail.protection.outlook.com
TXT 6
v=spf1 include:spf.protection.outlook.com a:sld1mgsmg01p.zsdis.sk a:sld1mgsmg02p.zsdis.sk a:mail.zsdis.sk a:paemlgtw01.vse.sk include:authsmtp.com include:sendgrid.net a:mail.crystalcall.sk -allIKnrSnTh/rAlFOtEns4d6VpnUkE25R3IDLUDauDvBHVrdInlnW2I/Pi7/SwXOxFOyzlNuovfScRy+yBZXyAiGg==have-i-been-pwned-verification=2be24925b3641596cd576cabd36678cegoogle-site-verification=FBw0EYuifb9ogKcExyLPvr2to9XIEdTRM04qspLfoEk_e456gmqv0a7gd7a05ibmszpy77una4nv=DMARC1; p=reject; ruf=mailto:soc@zse.sk; fo=1; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=reject
NS 4
ns1-02.azure-dns.comns2-02.azure-dns.netns3-02.azure-dns.orgns4-02.azure-dns.info
SOA 1
ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zse.sk |
C=US, O=Let's Encrypt, CN=YR2 | Thu, 24 Sep 2026 00:40:43 +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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_888cf470e6107d1c- Output Hash
29ffd1a5f4403188f90f470fc57c3616dd89562a3df68f7427e7b8a7914d0c74- Signature
ed25519:1e80ebc6092b50de06441b09fef5757e877e7e175eff788a51613478870c8be59ac8fb6bbb0d095dea49fe8d5feae4b19f0381579fcceb69f601061338d7ac05- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast