ntua.gr
Observed 2026-07-12T01:24:11.996Z (23h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
Also usesGoogle Search Console
IPv6 · 13 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ntua.gr actually stands on - every host below is a signed observation
ntua.gr
A / AAAA
147.102.224.1012001:648:2000:de::210
Cloudflareserves the site
NS
sns1.grnet.grdiomedes.noc.ntua.grsns0.grnet.grulysses.noc.ntua.gr+1 more
grnet.gr + ntua.granswers its DNS
MX
achilles.noc.ntua.grulysses.noc.ntua.grntua-gr.mail.protection.outlook.comdiomedes.noc.ntua.gr
Microsoft 365receives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://ntua.gr/el/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time883 ms
DNS resolutionNOERROR
Redirect chain
https://ntua.gr/el/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
147.102.224.101
AAAA 1
2001:648:2000:de::210
MX 4
20achilles.noc.ntua.gr20ulysses.noc.ntua.gr30ntua-gr.mail.protection.outlook.com20diomedes.noc.ntua.gr
TXT 6
v=spf1 ip4:147.102.222.0/24 ip6:2001:648:2000:de::/64 include:spf.protection.outlook.com -allHARICA-efl5o6W4xAriZcLmfLqgoogle-site-verification=kkal5C_zY7WLA1Hb1hSnmPJvX0I5IYs6m2YCooFj17IMS=ms79440458cisco-ci-domain-verification=4d4bf81f7a19cce571ce607bc70a79a7f923189b777c5bdc5e6b64e5d482be85v=DMARC1; p=none; sp=none; rua=mailto:dmarc@noc.ntua.gr,mailto:re+eo9mukqhnxj@dmarc.postmarkapp.com; ruf=mailto:dmarc@noc.ntua.gr,mailto:re+eo9mukqhnxj@dmarc.postmarkapp.com; aspf=r; adkim=r; fo=1;
NS 5
sns1.grnet.grdiomedes.noc.ntua.grsns0.grnet.grulysses.noc.ntua.grachilles.noc.ntua.gr
SOA 1
achilles.noc.ntua.gr noc.ntua.gr
TLS Certificates (0)
None.
Subdomains (13)
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
b419bf27-a1d7-4226-9213-e321cca3606e- Output Hash
e3d5d3c00c44957343846d17019415ba0c62e3ee75b0098126fe08960e2e8d37- Signature
ed25519:500fabeebe5592cc19cdffd18e6dd4800ee4d7cd2a6859f0c279755ddb2745b1aa253b75d29f021a51d026035ca69afef5f43cf319e822390a46d94aaae32900- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast