recurrent.co.jp
Observed Jul 27, 2026, 17:56 UTC (4d 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 usesHubSpotGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat recurrent.co.jp actually stands on - every host below is a signed observation
recurrent.co.jp
A / AAAA
203.174.70.208
unattributedserves the site
NS
zns01.datahotel.ne.jpzns02.datahotel.ne.jp
ne.jpanswers its DNS
MX
ALT1.ASPMX.L.GOOGLE.COMALT2.ASPMX.L.GOOGLE.COMALT3.ASPMX.L.GOOGLE.COMALT4.ASPMX.L.GOOGLE.COM+1 more
Google Workspacereceives its email
TLS
www.recurrent.co.jp
GlobalSign nv-saissued its certificate
DNS Records
A 1
203.174.70.208
MX 5
5ALT1.ASPMX.L.GOOGLE.COM5ALT2.ASPMX.L.GOOGLE.COM10ALT3.ASPMX.L.GOOGLE.COM10ALT4.ASPMX.L.GOOGLE.COM1ASPMX.L.GOOGLE.COM
TXT 5
v=spf1 ip4:203.174.70.193/26 ip4:153.127.52.19/32 mx include:_spf.google.com include:spf-bma.mpme.jp include:3481558.spf08.hubspotemail.net include:sender.zcsend.jp ~allglobalsign-domain-verification=shLIA8ZKZ9Ir7tjCGVDAmN2lx67esDZhGL209ZLf7tglobalsign-domain-verification=TMgNLuR7wF26wYKoYHUR7LZs5ZxkHeLqI0VXgZ2aYVgoogle-site-verification=66tqUCaiixjEBxGnQ7i4WkP_SOCBtOgjHk2TUeb2obsv=DMARC1; p=none; rua=mailto:rua-mpse@mpub.ne.jp
NS 2
zns01.datahotel.ne.jpzns02.datahotel.ne.jp
SOA 1
zns01.datahotel.ne.jp hostmaster.data-hotel.net
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
www.recurrent.co.jp |
C=BE, O=GlobalSign nv-sa, CN=GlobalSign RSA OV SSL CA 2018 | Thu, 10 Dec 2026 08:23:23 +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_3e0288b23fbc9bc5- Output Hash
bd7669aafa39f5a953c25a4e7b6282853e675ef307c80eecc813b299ec685c7b- Signature
ed25519:a249a76425e474ec5f8b411581bc0dd044b491a176cde2dd79b486a30d6c66d75485f2427eb3b5c2583f35faf3f1972389aabbe1f8924d37a44e35a23f53c809- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast