techlib.cz
Observed Jul 19, 2026, 15:57 UTC (3h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMailgun
Also usesGoogle Search ConsoleMiro
7 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat techlib.cz actually stands on - every host below is a signed observation
techlib.cz
A / AAAA
195.113.241.64
Cloudflareserves the site
NS
ns.techlib.cz
techlib.czanswers its DNS
MX
mta.techlib.cz
Mailgunreceives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → http://www.techlib.cz/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time950 ms
DNS resolutionNOERROR
Redirect chain
http://www.techlib.cz/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
195.113.241.64
MX 1
10mta.techlib.cz
TXT 10
google-site-verification=Ktc7BORRXjUAhSSqW99fNbnnIUI5fU0S40od8ZCvuVIapple-domain-verification=pjyO0Jb1padBVfrvopenai-domain-verification=dv-inzy4ck3Zs2nVftk8zXxcMfPgoogle-site-verification=6D5Wyivt6LOxH8Fki-iPDwTY4URW_vnYxMxRNmv0EgIMS=B9D8BA0D5ABC05DB743B005A76CCE5704D08E201v=spf1 mx ip4:195.113.241.83/32 ip4:195.113.241.10/32 ip4:195.113.241.42/32 include:mailgun.org include:eu.mailgun.org include:spf.protection.outlook.com -allgoogle-site-verification=RYk8XYfSZwkZWS0bX_PFIUHI95wI9nIuI9ekMi8tLQgMS=ms55933499miro-verification=e75ba57aeecf0107ae60fc6a105ae5c1ee31ddebv=DMARC1; p=quarantine; rua=mailto:dmarc@techlib.cz; fo=1; adkim=r; aspf=r; sp=quarantine
NS 1
ns.techlib.cz
SOA 1
ns.techlib.cz hostmaster.techlib.cz
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
1bcb24c4-56f7-48b9-98bb-7a81d5b67d63- Output Hash
4d7b8ed99c6559f624c27e8556a6f79d046005d35c4435fd5be2dcab5864c977- Signature
ed25519:f4f1ab582bd198cee4046dcf43abd80418ddca3932e35c1c92fed5ed7c72fcfed93f59210fc83fd168a5921dbceb2bdc6eb834097af49f5ba552cf7eb2852405- Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff- Parent
(genesis)- Plane
- fast