ucm.es
Observed 2026-07-12T23:18:41.417Z (8h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Also usesGoogle Search Console
4 subdomains · tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ucm.es actually stands on - every host below is a signed observation
ucm.es
A / AAAA
147.96.2.159
Cloudflareserves the site
NS
crispin.sim.ucm.eschico.rediris.esucdns.sis.ucm.essun.rediris.es
ucm.es + rediris.esanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comaspmx3.googlemail.comalt2.aspmx.l.google.com+1 more
Google Workspacereceives its email
HTTPS probe
ok
Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time534 ms
DNS resolutionNOERROR
Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
147.96.2.159
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com10aspmx3.googlemail.com5alt2.aspmx.l.google.com10aspmx2.googlemail.com
TXT 5
google-site-verification=Gc6BSaG8MM1D2mfqZQYgdQzhjC7SHqC2D0QTua7PxQIv=spf1 ip4:147.96.0.0/16 ip4:212.92.58.196 include:_spf.google.com include:spf.protection.outlook.com ~allFoxit-domain-verification=1d9c3fc27c579cddb99109248a2f6f31v=DMARC1; p=quarantine; rua=mailto:postmast@pdi.ucm.esv=DKIM1; (detected)
NS 4
crispin.sim.ucm.eschico.rediris.esucdns.sis.ucm.essun.rediris.es
SOA 1
ucdns.sis.ucm.es hostmaster.ucm.es
CAA 3
iodef mailto:admin@ucm.esissue harica.grissuewild harica.gr
TLS Certificates (0)
None.
Subdomains (4)
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
ba440d84-d271-4c53-9a7c-c58825dd01b8- Output Hash
5e2599858b343fdbc41a1b15aac531ca6703a3f29f1943ac58616fed377bcac0- Signature
ed25519:b4523c1972c57d90f9bc595e389a06777be1808b58433f0ec5a06c620d2f452f319b6cd253672026acb920193c0ceed82b91589f2ed5495b45fefcf85a2a3705- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast