sanno.co.jp

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sanno.co.jp
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 11:56:39 UTC · ↺ Refresh

MX Hostnames

  • ALT1.ASPMX.L.GOOGLE.COM
  • ASPMX.L.GOOGLE.COM
  • ASPMX2.GOOGLEMAIL.COM
  • ALT2.ASPMX.L.GOOGLE.COM
  • ASPMX3.GOOGLEMAIL.COM

MX Priorities

  • aspmx3.googlemail.com: 30
  • alt1.aspmx.l.google.com: 20
  • aspmx2.googlemail.com: 30
  • aspmx.l.google.com: 10
  • alt2.aspmx.l.google.com: 20

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA domain.name-server.jp postmaster.sanno.co.jp 2025080716 21600 21600 604800 21600
Primary NS (mname)
domain.name-server.jp
Admin Email (rname)
postmaster@sanno.co.jp
Serial
2025080716
Refresh
21600s
Retry
21600s
Expire
604800s
Minimum TTL
21600s

Nameservers (NS)

root.name-server.jp
domain.name-server.jp

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.mta.hdems.com include:send.rc-connect.jp include:_spf.salesforce.com +ip4:103.2.20.187 +p4:124.146.217.21 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • MS=ms58289397
  • SPFv=spf1 include:_spf.google.com include:spf.mta.hdems.com include:send.rc-connect.jp include:_spf.salesforce.com +ip4:103.2.20.187 +p4:124.146.217.21 ~all
  • google-site-verification=HF_Hs6zIdRaLsg2YTMtQ2nS3gWtc8Bh3pXJ_k-O5sCE
  • MS=FB4B3F71843F31F1C7301DEB0E412B7FE55812F2
  • apple-domain-verification=hv0ZpzJIFWGLrIqO
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for sanno.co.jp

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits