Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kagoya.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 10:38:34 UTC · ↺ Refresh
MX Hostnames
- dmail.kagoya.net
MX Priorities
- dmail.kagoya.net: 10
A / AAAA Records
- 133.18.75.203 (no PTR)
- 2406:8c00:3111::75:203:0:0 (no PTR)
Mail Server IPs
- 210.134.58.254 ↩ dmail04.kagoya.net
- 210.134.58.253 ↩ dmail03.kagoya.net
- 210.134.51.6 ↩ dmail01.kagoya.net
- 210.134.51.7 ↩ dmail02.kagoya.net
SOA Record
Raw SOA
ns.kagoya.net root.kagoya.net 2026030001 4200 300 3600000 600
Primary NS (mname)
ns.kagoya.net
Admin Email (rname)
root@kagoya.net
Serial
2026030001
Refresh
4200s
Retry
300s
Expire
3600000s
Minimum TTL
600s
Nameservers (NS)
ns0.kagoya.net
ns1.kagoya.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:219.122.232.70 a:em3210.kagoya.jp a:ags17-jp.kagoya.net include:spf.eco-serv.jp include:spf.mail.ispapi.net include:spf-cp.kagoya.jp include:spf-ms.kagoya.jp include:spf-psi.kagoya.jp -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 ip4:219.122.232.70 a:em3210.kagoya.jp a:ags17-jp.kagoya.net include:spf.eco-serv.jp include:spf.mail.ispapi.net include:spf-cp.kagoya.jp include:spf-ms.kagoya.jp include:spf-psi.kagoya.jp -all
- google-site-verification=6GLoUM46qv0mqa6L8eOjdAE2-XU2kRYNSsPMr_AkMgk
- MS=ms45959520
- google-site-verification=fCjvQllm0sjB35dpoFLhggtKaOjVX6BaGgIvaN7sglw
- google-site-verification=9ZjNzNV5bymnAeXXV_dKCfKtuNOcz93CbVp2JxLbN00
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 kagoya.jp
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits