maru-sin.co.jp

Observed Aug 16, 2026, 18:47 UTC (14h 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 (SPF sender)
Secured byNijimo
Also usesGoogle Search Console
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for maru-sin.co.jp in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.

INFRASTRUCTURE MAPwhat maru-sin.co.jp actually stands on - every host below is a signed observation
maru-sin.co.jp
A / AAAA
138.2.59.23
unattributedserves the site
NS
ns02.idcfcloud.comns03.idcfcloud.comns01.idcfcloud.com
idcfcloud.comanswers its DNS
MX
mail.maru-sin.co.jp
Google (SPF sender)receives its email
TLS
*.maru-sin.co.jp
Nijimoissued its certificate

DNS Records

A 1

  • 138.2.59.23

MX 1

  • 10mail.maru-sin.co.jp

TXT 4

  • pardot805243=7a08bb00693ca48eba6dae6a93cb8a64a530e4ae334f6ee478470cd1559e6446
  • v=spf1 +ip4:203.138.96.100 +ip4:119.245.207.124 +ip4:118.6.169.232 +ip4:114.142.110.250 +ip4:210.134.58.99 +ip4:119.245.207.2 +ip4:104.161.170.238 +ip4:202.172.25.38 +ip4:217.142.246.35 +ip4:160.251.152.193 a:v0402-100.mailsecure.jp include:_spf.google.com include:fmx.etius.jp include:aspmx.pardot.com include:_spf.salesforce.com ~all
  • google-site-verification=fqswA0kNF45UYC5y_QfjeQnKCv5EZ4iSfOcR63E3MR0
  • google-site-verification=xE56Wt-i2ETN9FHBhFzcH_ytMs9jGBstrgrRwRdc__U

NS 3

  • ns02.idcfcloud.com
  • ns03.idcfcloud.com
  • ns01.idcfcloud.com

SOA 1

  • ns01.idcfcloud.com webka.maru-sin.net

DMARC_RECORDS 1

  • v=DMARC1; p=none;

TLS Certificates (4)

Common NameIssuerExpires
*.maru-sin.co.jp C=JP, O=Nijimo, Inc., CN=FujiSSL RSA Domain Validation Secure Server CA 2 Sun, 17 Jan 2027 23:59:59 +0000
FujiSSL RSA Domain Validation Secure Server CA 2 C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 Sun, 13 May 2035 23:59:59 +0000
Sectigo Public Server Authentication Root R46 C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +0000
USERTrust RSA Certification Authority C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +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_38402d83b9629768
Output Hash
1bea738aab8cbffd9c0c5cc124ef7cdee3b97492ccaf560bfa60fa75044b325c
Signature
ed25519:99c89ef620534e4e930f0edbf2e392ffb6a97da521acceb8c2b2cc489c88f7117885bbdf5f2bf5f30ddaf1113e6df3b5df03126e85bf968af0ee6ba7f0cbd602
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT38,179 material changesacross 36,363 domains · 24h to ~3h ago · -1,061 vs yesterdayROTATION56 domains moved DNS from magpiedns.com to koaladns.com, 55 moved backa rotation loop, not a migration · 24hEMAIL DRIFT7 domains switched email providertop destination alltheemails.comNOW528 curated domains not reachable-63 vs yesterdaySITE ERRORS33,930 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,733 sites429 rate-limit / 403 bot-block, a posture signal