yumpu.com

Observed Jul 21, 2026, 20:05 UTC (21h 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onAmazon

Email byGoogle Workspace

Secured byAmazon

Registered withunited-domains GmbH

Also usesFacebook/MetaGoogle Search Console

IPv6 · tranco_5k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat yumpu.com actually stands on - every host below is a signed observation

yumpu.com

A / AAAA

52.85.193.4652.85.193.8152.85.193.7252.85.193.78+8 more

Amazonserves the site

ns-1419.awsdns-49.orgns-1889.awsdns-44.co.ukns-246.awsdns-30.comns-602.awsdns-11.net

awsdns-49.org + awsdns-44.co.uk + moreanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

yumpu.com

Amazonissued its certificate

DNS Records

A 4

52.85.193.46
52.85.193.81
52.85.193.72
52.85.193.78

AAAA 8

2600:9000:215a:5600:e:4fd3:d580:93a1
2600:9000:215a:a00:e:4fd3:d580:93a1
2600:9000:215a:f200:e:4fd3:d580:93a1
2600:9000:215a:aa00:e:4fd3:d580:93a1
2600:9000:215a:5400:e:4fd3:d580:93a1
2600:9000:215a:4e00:e:4fd3:d580:93a1
2600:9000:215a:e00:e:4fd3:d580:93a1
2600:9000:215a:f800:e:4fd3:d580:93a1

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 8

ahrefs-site-verification_7b2882f712127ed71b4066856b33fd7831312147649bfb4d0a7cd1d1eda1e8fd
facebook-domain-verification=vhnaklycc1utt9mykz0a85jqtajcpx
google-site-verification=5C8fx2_25BFTeH2PPzTJjIa68cgEuX3WzSDvtWA0ETc
google-site-verification=DBEzDwmYncSryadhtQ9jA8qYJtGiVsJuS8xqaHQVpsU
google-site-verification=QPg4s-mRuy8M7cHh4fC6cDWNuzmZDFDnfUwSWO7Zuzs
google-site-verification=kCMc9x96tljgVcYpxb9oZ10CahCKyHPe6BYfPMNXf9E
v=spf1 include:spf.mail.intercom.io include:_spf.google.com ~all
v=DMARC1; p=quarantine; pct=5; rua=mailto:dmarc@yumpu.com

NS 4

ns-1419.awsdns-49.org
ns-1889.awsdns-44.co.uk
ns-246.awsdns-30.com
ns-602.awsdns-11.net

SOA 1

ns-246.awsdns-30.com awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`yumpu.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M01	Wed, 02 Dec 2026 23:59:59 +0000
`Amazon RSA 2048 M01`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:21:28 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +0000

Subdomains (0)

None observed.

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for yumpu.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/yumpu.com">
  <img src="https://domaindrift.io/badge/yumpu.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for yumpu.com">
</a>

Ed25519 Receipt

Receipt ID: rcpt_5dea3d0372c0f188
Output Hash: b78daa3e5602e61e641b41c757ad376ae33c78326b3afef8538ef0b9df6e8daa
Signature: ed25519:e5d444964abdc83b69dde0dacb56356f9f779c729561f25f2913fd71129a9441d483e1722c12739a90e6875b988613646cb0892bb81b0fe47c79a002babfb70e
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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