lecturio.com
Observed Aug 11, 2026, 04:10 UTC (19h 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 byGoogle Workspace
Secured byAmazon
Also usesGoogle Search ConsoleFacebook/Meta
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat lecturio.com actually stands on - every host below is a signed observation
lecturio.com
A / AAAA
3.71.209.1623.70.4.233
unattributedserves the site
NS
ns1.dnsmadeeasy.comns2.dnsmadeeasy.comns4.dnsmadeeasy.comns0.dnsmadeeasy.com+1 more
dnsmadeeasy.comanswers its DNS
MX
alt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx3.googlemail.com+1 more
Google Workspacereceives its email
TLS
lecturio.com
Amazonissued its certificate
DNS Records
A 2
3.71.209.1623.70.4.233
MX 5
20alt1.aspmx.l.google.com20alt2.aspmx.l.google.com10aspmx.l.google.com30aspmx3.googlemail.com30aspmx2.googlemail.com
TXT 10
pardot1016492=6412ef8c6a4148222094b30f6f0b7bf9c1894c19f528d6cdae7ad1d1ed579b2d7672FFADAEgoogle-site-verification=Ssa94101QNGyNA46URCz_TogJ13qoIkIsBIR8HO9nlcfacebook-domain-verification=npi1z9zxc95qr3m02mh7e473eoeqxlamazonses:bzWEUMvLxH1IrZmtLIODjss1DTFutiqH4HhgrJm1lcc=cursor-domain-verification-w4jcqk=NQLzZRagbi8RNmMlidSHcv2iBgoogle-site-verification=UKreaPk7hrzaJzDYT5of8s31Mv1TWcfDeYIWpGND_hEgoogle-site-verification=Zmfp_dCnQAsCkXa1oHGzg8_nFrKF-_12Pmzhzghx9Cogoogle-site-verification=ox56Uhz64xzslAJZgZcoHT6zAxGM4YCqKuTFw9FGYEMv=spf1 include:_spf.google.com include:mail.zendesk.com include:amazonses.com include:_spf.salesforce.com ~all
NS 5
ns1.dnsmadeeasy.comns2.dnsmadeeasy.comns4.dnsmadeeasy.comns0.dnsmadeeasy.comns3.dnsmadeeasy.com
SOA 1
ns10.digicertdns.com dns.digicertdns.com
DMARC_RECORDS 1
v=DMARC1;p=reject;pct=25;rua=mailto:dmarcreport@lecturio.de
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
lecturio.com |
C=US, O=Amazon, CN=Amazon RSA 2048 M04 | Mon, 25 Jan 2027 23:59:59 +0000 |
Amazon RSA 2048 M04 |
C=US, O=Amazon, CN=Amazon Root CA 1 | Fri, 23 Aug 2030 22:26:35 +0000 |
Amazon Root CA 1 |
C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 | Thu, 31 Dec 2037 01:00:00 +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_f231fa152fb132b4- Output Hash
c0054d6e2796279f7c0fde60047d09a91064bb8c2668de95d25d3af30d92f570- Signature
ed25519:fb06d43cfca96c31ee60df80907d35b684b68b9de2fea833c24f2edc2a61ab1df588c30208176a81788b8becfbbc0d3cd326bbca1c6db75789746988d2959e04- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast