Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
redis.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 02:20:11 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 104.18.25.196 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-1133.awsdns-13.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1133.awsdns-13.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1133.awsdns-13.org
ns-1966.awsdns-53.co.uk
ns-78.awsdns-09.com
ns-800.awsdns-36.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:mktomail.com include:sendgrid.net include:us._netblocks.mimecast.com include:stspg-customer.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 6/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; adkim=r; aspf=r; fo=0:1:d:s; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
k1._domainkey
s1._domainkey
s2._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
32 records- h1-domain-verification=Gips7g7xihVrM51jVnDiRSTQsYPtMvNsiJzFQQhbNSU2AJTK
- 49269815-8e1b-476c-8d11-b236d797859d
- drift-domain-verification=5fafa5e7d17f555701539cf2d20c40bebd5a3f37aa5b09fa6fda785fd2f9fbf9
- status-page-domain-verification=t0y77fhm0qxl
- 0ed1fe018a613ced461c7a4efeb808271b5a3b8a28
- zapier-domain-verification-challenge=a712be3e-3038-41ca-b1f9-a25f90378c0e
- cloudflare-verify=419497658-446892919
- 11685988
- canva-site-verification=VqW-oHHgEUICHFnx7uXsKQ
- OSSRH-72625
- atlassian-domain-verification=l9AJIQnEUwoU3JUWAChOYu3jc+gW8Yb3eltC+BW8M2s5UK5hsURpwkrFZNL6pUSu
- pendo-domain-verification=01cf7947-b3c9-41c6-b549-d076113c33e5
- ZOOM_verify_tjfgNVoFwP3m9yW0EhW0ok
- cursor-domain-verification-r5fvy5=sb72nyGc1tLzCMSv3vWCS4LeR
- segment-site-verification=TwPUIEn8KTDuqDuH2pKBJg9oxnbypwPB
- docker-verification=1af20237-aacc-4c0a-8407-63a631301dc6
- airtable-verification=afa3201f7f4d3fdfda5c37c212c75d22
- openai-domain-verification=dv-sazbt8mUpptJVBrTVl0KH6D6
- wiz-domain-verification=5b6d27936dad4ce78788e70551307cffb3bdd77439291e76f154d3ddb41889f7
- globalsign-domain-verification=146F0FB14B2DFCFFF0C36E1E38EA38BF
- stripe-verification=0f1513b80a2002cf6fd22296bf2ce1c88bc3597a31dfd5c8c368a4469b2e79f9
- 65A45059C6
- h1-domain-verification=Da7tCSAXUU3pYzU13h1MrcHbA7fGeV2qHGMNZKHKddDXtuPg
- SPFv=spf1 include:_spf.google.com include:mktomail.com include:sendgrid.net include:us._netblocks.mimecast.com include:stspg-customer.com include:spf.mandrillapp.com ~all
- cisco-ci-domain-verification=14ec584a2413dd46b812e40bc3e923f2e122e69ccbaeaa0f0fe72fa91b0d8094
- MS=ms98161846
- google-site-verification=XPtqNr9exy_762P70-2pt43U9918KUzRPmG6wVqxoNQ
- google-site-verification=hBCBFPG_4AWxXoFNVwkDZXklO3H6JrJba_lQKUl7sWc
- asv=bbf43129c107de7c768dedd675d84bc0
- google-site-verification=qLAgvo7_FSyHKTVHzvdtIfPDy7h8UVNb7HEWwnMXO7g
- 1679091c5a880faf6fb5e6087eb1b2dc
- adobe-idp-site-verification=9a542dfe12f7fa2f32e48f82d1f3102c8f0480593d7c4e86de87400ee28a68ad
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 redis.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits