real-world-physics-problems.com

Observed Aug 10, 2026, 02:37 UTC (4d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of real-world-physics-problems.com was taken 4d ago

real-world-physics-problems.com is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting real-world-physics-problems.com 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 real-world-physics-problems.com Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Up right now
Secured byLet's Encrypt
Registered withTUCOWS.COM, CO.
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat real-world-physics-problems.com actually stands on - every host below is a signed observation
real-world-physics-problems.com
A / AAAA
173.247.218.21
unattributedserves the site
NS
ns1.sitesell.comns2.sitesell.com
sitesell.comanswers its DNS
MX
webmail2.sitebuildit.com
sitebuildit.comreceives its email
TLS
real-world-physics-problems.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 173.247.218.21

MX 1

  • 10webmail2.sitebuildit.com

TXT 1

  • v=spf1 include:_spf-client-servers.sitesellmail.com ?all

NS 2

  • ns1.sitesell.com
  • ns2.sitesell.com

SOA 1

  • ns1.sitesell.com hostmaster.sitesell.com

DMARC_RECORDS 1

  • v=DMARC1; p=none

TLS Certificates (3)

Common NameIssuerExpires
real-world-physics-problems.com C=US, O=Let's Encrypt, CN=YR1 Sun, 01 Nov 2026 04:19:38 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_672cc7ead25751e6
Output Hash
1d73ce4e70f750eb20e2c85c5887f5522af6b194b42f73e7f3d6fc9f619d9e5b
Signature
ed25519:35ecc9c0d7e2255aec4cc7274c32877224f7064a2c96205bdfa2c820fbfe86a58e4e0b9c7b98089725e3694fd30944830a96963e226a920485152d4d57c3770c
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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CONTINUOUS INTERNET TELEMETRY24H DRIFT45,192 material changesacross 43,178 domains · 24h to ~60m ago · +1,110 vs yesterdayROTATION56 domains moved DNS from koaladns.com to kirklanddc.com, 53 moved backa rotation loop, not a migration · 24hNOW492 curated domains not reachablelast probe, steadySITE ERRORS36,476 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 115,635 sites429 rate-limit / 403 bot-block, a posture signal