Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kitz.co.jp
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 18:07:24 UTC · ↺ Refresh
MX Hostnames
- kitz-co-jp.mail.protection.outlook.com
MX Priorities
- kitz-co-jp.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.124.5 ↩ mail-tyvp286cu00305.inbound.protection.outlook.com
- 52.101.124.0 ↩ mail-tycp286cu02600.inbound.protection.outlook.com
- 52.101.157.10 ↩ mail-os0p286cu01302.inbound.protection.outlook.com
- 52.101.124.1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::3 ↩ mail-tyvp286cu00203.inbound.protection.outlook.com
- 2a01:111:f403:cc1f:: ↩ mail-os9p286cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::2 ↩ mail-tyvp286cu00302.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.webhosting.jp sitemgr.webhosting.jp 2926031701 10800 3600 604800 86400
Primary NS (mname)
ns1.webhosting.jp
Admin Email (rname)
sitemgr@webhosting.jp
Serial
2926031701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.webhosting.jp
ns3.webhosting.jp
ns4.webhosting.jp
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:111.98.252.108/32 ip4:111.98.252.109/32 include:spf.protection.outlook.com ip4:210.166.72.36 ip4:210.166.72.37 ip4:210.166.72.24 ip4:210.166.72.25 include:spf.haihaimail.jp include:spf.rakus-cloud.jp include:spf.besender.jp ip4:126.144.2.94 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- DAC=dacnL1Axy1fRd7epcRg
- SPFv=spf1 ip4:111.98.252.108/32 ip4:111.98.252.109/32 include:spf.protection.outlook.com ip4:210.166.72.36 ip4:210.166.72.37 ip4:210.166.72.24 ip4:210.166.72.25 include:spf.haihaimail.jp include:spf.rakus-cloud.jp include:spf.besender.jp ip4:126.144.2.94 ~all
- contract-one-domain-verification=c60ee6b5-8445-4c9c-8c20-fd98b37ca557
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 kitz.co.jp
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits