masum.dev

Observed Aug 4, 2026, 16:47 UTC (11d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of masum.dev was taken 11d ago

masum.dev is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting masum.dev under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch masum.dev Watching a domain needs a DRM3 account. The reading above stays free and public either way.

Verify this receipt yourself + Watch this domain

Up right now

Runs onCloudflare

Secured byGoogle Trust Services

Also usesGoogle Search Console

IPv6 · domcop

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

INFRASTRUCTURE MAPwhat masum.dev actually stands on - every host below is a signed observation

masum.dev

A / AAAA

104.21.91.193172.67.178.952606:4700:3035::6815:5bc12606:4700:3036::ac43:b25f

Cloudflareserves the site

emma.ns.cloudflare.comjacob.ns.cloudflare.com

cloudflare.comanswers its DNS

route2.mx.cloudflare.netroute1.mx.cloudflare.netroute3.mx.cloudflare.net

cloudflare.netreceives its email

TLS

masum.dev

Google Trust Servicesissued its certificate

DNS Records

A 2

104.21.91.193
172.67.178.95

AAAA 2

2606:4700:3035::6815:5bc1
2606:4700:3036::ac43:b25f

MX 3

48route2.mx.cloudflare.net
83route1.mx.cloudflare.net
95route3.mx.cloudflare.net

TXT 3

v=spf1 include:_spf.mx.cloudflare.net ~all
brevo-code:04809ad0d94ca24b075750759525dbe8
google-site-verification=b_ZnNUPUKJkA_OPKISLfXbonZ6uMbzuinmEsah6zZSM

NS 2

emma.ns.cloudflare.com
jacob.ns.cloudflare.com

SOA 1

emma.ns.cloudflare.com dns.cloudflare.com

DMARC_RECORDS 1

v=DMARC1; p=none; rua=mailto:7a24866fdbdd4fb393ee56662f53803b@dmarc-reports.cloudflare.net,mailto:rua@dmarc.brevo.com

TLS Certificates (3)

Common Name	Issuer	Expires
`masum.dev`	C=US, O=Google Trust Services, CN=WE1	Sun, 27 Sep 2026 01:16:30 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID: rcpt_90bafa253d928492
Output Hash: 16315172a81f34d537e18d965e66722ac1983ce9dd7359f0abbc5b8adb4f10ad
Signature: ed25519:2f035b9999ede133bf83cef77f58632e5634988d9639082b9403b7f87a7cab87dd717f1e7b4781e4df30826c96c3edf71470c95339b4c648b95bd15cc1143b00
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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