auditorium.de
Observed Jul 24, 2026, 09:27 UTC (8h 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 byLet's Encrypt
Also usesGoogle Search Console
IPv6 · 3 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat auditorium.de actually stands on - every host below is a signed observation
auditorium.de
A / AAAA
116.203.182.2182a01:4f8:c2c:c3b3::1
2a01serves the site
NS
ns1101.ui-dns.comns1101.ui-dns.orgns1101.ui-dns.dens1101.ui-dns.biz
ui-dns.com + ui-dns.org + moreanswers its DNS
MX
alt1.aspmx.l.google.comaspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com
Google Workspacereceives its email
TLS
auditorium.de
Let's Encryptissued its certificate
DNS Records
A 1
116.203.182.218
AAAA 1
2a01:4f8:c2c:c3b3::1
MX 4
5alt1.aspmx.l.google.com1aspmx.l.google.com5alt2.aspmx.l.google.com10aspmx2.googlemail.com
TXT 4
google-site-verification=dBW6tEtYwpM70Met31ZOQR_gC34FMkVv1lPemHvU3xck=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGkjlwAOr+oHxra+0ivcEA09nZpC+BeoJcoqVG3HuCAfZMoV2mdj2Qqgjbsz2T0a6wFWLGDMnPCGQz+5dNraFguTyLPbbSxNhsyw5LqfchxOgdbzzouKY7p4EbhVWDmnzeD5TMb8Dn9sDbsmzGkME3zrUrtyjYwmzK8J8g3kdQMQIDAQABv=spf1 include:_spf.google.com ip6:2a01:4f8:251:1aee:2dbb:f6ab:6ba:d472 ip4:138.201.241.226 ip4:91.207.250.0/24 include:spf.mandrillapp.com include:spf.mailjet.com ~allv=DMARC1; p=none;
NS 4
ns1101.ui-dns.comns1101.ui-dns.orgns1101.ui-dns.dens1101.ui-dns.biz
SOA 1
ns1101.ui-dns.org hostmaster.1und1.de
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
auditorium.de |
C=US, O=Let's Encrypt, CN=E7 | Sat, 22 Aug 2026 15:11:09 +0000 |
E7 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Fri, 12 Mar 2027 23:59:59 +0000 |
Subdomains (3)
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_48b0d46fd6f27f6c- Output Hash
48e7198c92724181dd6fe2495ef66ec6043c9295e712201297c571b43e1ff823- Signature
ed25519:a0e99cb1ec8c8b127122658445140f0b23dc7d8862627597f4176af01c2293f8f234eb6fe997aedb73e2d3508ea0ced193af3a8ec5818ca5b8dd2948eac08d09- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast