Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
mec.co.jp
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 07:30:28 UTC · ↺ Refresh
MX Hostnames
- mec-co-jp.mail.protection.outlook.com
MX Priorities
- mec-co-jp.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.124.6 ↩ mail-tyvp286cu00206.inbound.protection.outlook.com
- 52.101.157.10 ↩ mail-os0p286cu01302.inbound.protection.outlook.com
- 52.101.124.1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
- 52.101.157.11 ↩ mail-os0p286cu01203.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::2 ↩ mail-tyvp286cu00302.inbound.protection.outlook.com
- 2a01:111:f403:cc24:: ↩ mail-os0p286cu01300.inbound.protection.outlook.com
- 2a01:111:f403:cc1a:: ↩ mail-tycp286cu02600.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.mec.co.jp postmaster.mec.co.jp 2026051501 180 180 180 180
Primary NS (mname)
ns.mec.co.jp
Admin Email (rname)
postmaster@mec.co.jp
Serial
2026051501
Refresh
180s
Retry
180s
Expire
180s
Minimum TTL
180s
Nameservers (NS)
ns2.mec.co.jp
ns4.mec.co.jp
ns3.mec.co.jp
ns1.mec.co.jp
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:202.34.151.0/24 ip4:211.0.140.192/26 ip4:35.77.236.81 ip4:52.197.244.202 ip4:35.77.253.130 ip4:35.74.210.41 ip4:52.193.59.54 ip4:57.181.71.135 include:spf1.mec.co.jp include:spf2.mec.co.jp include:smp.ne.jp include:spf.list-finder.jp include:spf.protection.outlook.com include:bmsend.com include:amazonses.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- paloaltonetworks-site-verification=6efd1392dfc4c9aebe1ef37a333f21cd42e37b7eb0b9eeaff34fa818207b1e7f
- M0I4T24212
- google-site-verification=TuETZY6v73U31wSTGZ862WfBsRnffOczawhXq1VdkUs
- ZOOM_verify_nSKY2PqGT96DWv2XvG7e0g
- _aqbigwz0k86095z9casmypf1qilsf7s
- google-site-verification=OOnvjFIW7EtXR8crqiS9yyzFFjaKujTtBzyqhyehZjw
- google-site-verification=plrTzC_6dmYjewZnn8nRXIwYYOhXh9VYg1u719yWB9s
- MS=ms10302511
- SPFv=spf1 ip4:202.34.151.0/24 ip4:211.0.140.192/26 ip4:35.77.236.81 ip4:52.197.244.202 ip4:35.77.253.130 ip4:35.74.210.41 ip4:52.193.59.54 ip4:57.181.71.135 include:spf1.mec.co.jp include:spf2.mec.co.jp include:smp.ne.jp include:spf.list-finder.jp include:spf.protection.outlook.com include:bmsend.com include:amazonses.com ~all
- google-site-verification=3MbdxGQbTtFQRPj_scRTfa8fL5dI5RjivPnxLp8OEdo
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 mec.co.jp
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits