Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
onitsukatiger.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 10:14:08 UTC · ↺ Refresh
MX Hostnames
- de-smtp-inbound-1.mimecast.com
- de-smtp-inbound-2.mimecast.com
MX Priorities
- de-smtp-inbound-1.mimecast.com: 10
- de-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 13.227.246.57 ↩ server-13-227-246-57.yto53.r.cloudfront.net
- 13.227.246.39 ↩ server-13-227-246-39.yto53.r.cloudfront.net
- 13.227.246.96 ↩ server-13-227-246-96.yto53.r.cloudfront.net
- 13.227.246.3 ↩ server-13-227-246-3.yto53.r.cloudfront.net
Mail Server IPs
- 194.104.110.22 ↩ de-smtp-inbound-2.mimecast.com
- 194.104.108.22 ↩ de-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-1255.awsdns-28.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1255.awsdns-28.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1255.awsdns-28.org
ns-1809.awsdns-34.co.uk
ns-379.awsdns-47.com
ns-728.awsdns-27.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.spotlergroup.com include:spf.flowmailer.net include:mdjoe.maildealer.jp include:mail.zendesk.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:de._netblocks.mimecast.com include:_spf2.onitsukatiger.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 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
22 records- SPFv=spf1 include:_spf.spotlergroup.com include:spf.flowmailer.net include:mdjoe.maildealer.jp include:mail.zendesk.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:de._netblocks.mimecast.com include:_spf2.onitsukatiger.com ~all
- knowbe4-site-verification=071fe2847278ec72b1e0336a15d12196
- google-site-verification=VAetQKwgt-iUgPhqUfTFuE3Cqj0yB_nv2b0h-FXhavE
- facebook-domain-verification=au9shfialsib7jmaew7pko6663c7uv
- k23ldz953h3y5l35fj3nd6jcpzg947ds
- SFMC-WmJgbvC4ApdhoP_3Fg10qtm3Kj3kdDUYCApr4hdO
- zp1z4l6ml5r1sj6wdcywbj84r2znch9l
- klaviyo-site-verification=UsvU59
- klaviyo-site-verification=SG2iw3
- google-site-verification=IeKyLJGdSN1UaRWM9KoFeVeVWG2VSP--TJ-fdfjKaj4
- google-site-verification=P1vqBCqC_LCiNDwG_mK2GHNFVZuJMLKPBT-4AYEWqJI
- 5nyr53m5c616rm7g0w0z5lm5fps3vbxg
- google-site-verification=kQxHnoLuBavRTibVefKxETgatPmWIW1HxB6a7gS69cE
- yandex-verification: 8467d97f7af0b96e
- 20220509153903924F97F149EDE4A32CD71BBA6912452D3E285B0432CE80D25B999EFEF3544258
- yt3t1flfmbycry80pm3p04qy533gvrg7
- vlr2tc9zps0ngh3276d6hqf2t1xpt5sz
- google-site-verification=lxDXYPCHFe_jP9_9F18QqSpvLDeQiW4XTD6WIBwsnfk
- 6ng2gq1csmlpzf5lsgsv61dwcp6k9ytn
- google-site-verification=2Yw6auH39yDzERlbVUADuG-ODkGM6VgZcqKegxJsjQI
- wcv5y7h27pqn0s68ch7158jlx8ff4sv6
- google-site-verification=aMGC_6qB5OTbKLXRPBhLKv7v2XtM9quG5pwog9pTvSY
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 onitsukatiger.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits