mediaguru.cz
Observed Aug 16, 2026, 07:40 UTC (6h 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 byMailchimp
MailchimpSecured byLet's Encrypt
Let's EncryptRegistered withREG-IPMIRROR
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat mediaguru.cz actually stands on - every host below is a signed observation
mediaguru.cz
A / AAAA
23.53.35.13623.53.35.1412600:1408:c400:11::17cd:6b582600:1408:c400:11::17cd:6b51
2600serves the site
NS
pdns82.ultradns.bizpdns82.ultradns.compdns82.ultradns.netpdns82.ultradns.org
ultradns.biz + ultradns.com + moreanswers its DNS
TLS
mediaguru.cz
Let's Encryptissued its certificate
DNS Records
A 2
23.53.35.13623.53.35.141
AAAA 2
2600:1408:c400:11::17cd:6b582600:1408:c400:11::17cd:6b51
TXT 2
mediaguruwebapp.azurewebsites.netv=spf1 include:servers.mcsv.net ?all
NS 4
pdns82.ultradns.bizpdns82.ultradns.compdns82.ultradns.netpdns82.ultradns.org
SOA 1
pdns82.ultradns.com hostmaster.omnicomgroup.com
DMARC_RECORDS 1
v=DMARC1; p=none; rua=mailto:rc7yjbis@ag.us.dmarcian.com;
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
mediaguru.cz |
C=US, O=Let's Encrypt, CN=YE1 | Thu, 05 Nov 2026 12:13:23 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_9c590ed359c0c00d- Output Hash
43eebc5a5078e1ee65498d4ff58c6c0ca03ebee60f754b555ea8387587268e79- Signature
ed25519:4b272a9beea70ab087806fc31f1e9c42591df794f3b3e3bd8530e30f7d2b6c9f8d6b415a8b83efe22b0ddc065f81dda9088f93100447c1e86fef6d74001ab900- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast