checkdomain.de
Observed 2026-07-13T01:41:26.513Z (8h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byZendesk
Also usesZoomDockerSlackAtlassianGoogle Search Console
14 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat checkdomain.de actually stands on - every host below is a signed observation
checkdomain.de
A / AAAA
31.47.251.5
Cloudflareserves the site
NS
ns.checkdomain.dens2.checkdomain.de
checkdomain.deanswers its DNS
MX
m1.checkdomain.dem2.checkdomain.de
Zendeskreceives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://www.checkdomain.de/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time898 ms
DNS resolutionNOERROR
Redirect chain
https://www.checkdomain.de/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
31.47.251.5
MX 2
10m1.checkdomain.de20m2.checkdomain.de
TXT 14
teamviewer-sso-verification=2b4fee964a8c4e6996c85993bdfceea3ZOOM_verify_swigHX81TKO6Lpvl3mzY_Qv=spf1 include:_spf.cio.g1i.one include:mx.spf.checkdomain.de include:web1.spf.checkdomain.de include:spf.protection.outlook.com include:secure-mailgate.com include:mail.zendesk.com ip4:212.123.41.224/28 ip6:2a01:4f8:221:11cd:9734:4c26:6044:5f33 include:_spf.hostedemail.com ~allpandadoc-domain-verification=be4pxxLjnr7zjZP8CGnMxeapple-domain-verification=axE5Zek5oqkQpmY1docker-verification=672e8e8e-3881-4f08-abdf-9b53d432afedslack-domain-verification=0HwLoCeQR6NKLoHLzYRHNapepuf2S14afrziBMYNatlassian-domain-verification=KKeihQSanTHe0l1pqlAF48oghg9rSqxhRZakMd/Gq8e8xTF/maaW2agw60HZU5vagoogle-site-verification=I0k-91zTnc8en6LAb7lt91WCg7rBlINQFic7CuplaP4Sendinblue-code:ed3757f69b55cef27022dda6ad660908
NS 2
ns.checkdomain.dens2.checkdomain.de
SOA 1
ns.checkdomain.de hostmaster.checkdomain.de
TLS Certificates (0)
None.
Subdomains (14)
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
c94523ba-0bf4-4e75-99c1-a67c3f3b20b6- Output Hash
3969f2117dad386c24df767c04dbf9b506a1b5ed9339e665310afdd23dcbb21c- Signature
ed25519:7fd38dd295823d74f6fe2149541a67ef1da5de974db5e4fe1ad2f8080964ddaa77096e50af010c0edb4cab6e398f245ab4557798610f86bd1801e4958ab8ca0b- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast