upf.br
Observed Jul 27, 2026, 22:04 UTC (5d 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 byGlobalSign
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upf.br actually stands on - every host below is a signed observation
upf.br
A / AAAA
20.157.222.42
unattributedserves the site
NS
jaziel.ns.cloudflare.comnina.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
www.upf.br
GlobalSign nv-saissued its certificate
DNS Records
A 1
20.157.222.42
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 7
MS=03D7224A315FBEEC9C1741FAB7D2A10091C3D216MS=BE5C806891E049A3BD907C22B6175CE2D882F14B_globalsign-domain-verification=Vf5lYaNAb2VMVpuNAlg8E60h3pWIIFTqbBwQOMhiIZautodesk-domain-verification=82WZqASgEpveKhUFeQwEgoogle-site-verification=bWIFcwqVzEVKO-WUQbUYozrE3wz_ys6EgcoisnZDmeMv=spf1 include:upfspf.upf.br include:upflink.upf.br ip4:177.67.253.0/24 ip4:138.128.188.74 include:_spf.google.com include:servers.mcsv.net include:_spf.elasticemail.com ~allv=DMARC1; p=none; sp=none; rua=mailto:atua@upf.br; ruf=mailto:atua@upf.br; rf=afrf; pct=100
NS 2
jaziel.ns.cloudflare.comnina.ns.cloudflare.com
SOA 1
jaziel.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
www.upf.br |
C=BE, O=GlobalSign nv-sa, CN=GlobalSign RSA OV SSL CA 2018 | Mon, 14 Sep 2026 12:06:07 +0000 |
GlobalSign RSA OV SSL CA 2018 |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Tue, 21 Nov 2028 00:00:00 +0000 |
Subdomains (1)
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_f8e488757855d907- Output Hash
a4a471efae7ad5a54686a6ba7e26aa0b81b3d4d49ff897a1d79f5d5a9089d5da- Signature
ed25519:daeba0534341a0d3dc90ad3baee0194029ef0ea59c9669d69bd0e31cc1ff2b172cea9c692cafceb9236dc59605ee1a597188b3645c6c641ecffe24a2c8356101- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast