Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jcb.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 11:47:45 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-2.mimecast.com
- eu-smtp-inbound-1.mimecast.com
MX Priorities
- eu-smtp-inbound-1.mimecast.com: 100
- eu-smtp-inbound-2.mimecast.com: 200
A / AAAA Records
- 217.114.94.2 (no PTR)
- 2a00:1c50:94::2 (no PTR)
Mail Server IPs
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-270.awsdns-33.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-270.awsdns-33.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-2037.awsdns-62.co.uk
ns-270.awsdns-33.com
ns-858.awsdns-43.net
ns-1494.awsdns-58.org
SPF Record
✓ Strict (-all)
v=spf1 include:eu._netblocks.mimecast.com include:_spf.salesforce.com ip4:162.13.97.110 ip4:195.85.193.46 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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
19 records- _ddq5m3h1m2cb4o63rtikhgswb10hqau
- _9mdfbbewj3wv42bl20161bk3rxl7kbd
- have-i-been-pwned-verification=fb7cb4ade0f183ee21b196ce3097b1db
- atlassian-domain-verification=d16e6h7Ln80uZrwoK3JnS17II7FbOHG14s3gTz3hQA8tbeZEYqldJZ8JYnEft4iV
- _xy04q5p6od5qcs0eskfidbsmv48snk9
- SPFv=spf1 include:eu._netblocks.mimecast.com include:_spf.salesforce.com ip4:162.13.97.110 ip4:195.85.193.46 -all
- pardot588673=1b8e40e03cd3bb89fcfe83e5c17fd6109158726023ed5ee24c1a988161aca333
- _54m42dltjjrv97bice97ufopvcxjbxp
- facebook-domain-verification=3lxqq63emo27rw7u0702i1h9znrtjv
- atlassian-domain-verification=9d7JUJ6czMwjdtOXyqIKCx1tIASfFkpgLGLc+YoGayYnvgJV5aSOEULqmhfFCYXo
- 1password-site-verification=MOGFO36YANDHHJQCTCK6UW2N5U
- pardot588673=44e13966c036770365616048e2e408260c875b0d18b16332b4e167da607d981a
- jcbcareers.azurewebsites.net
- apple-domain-verification=uSdCDKeNJgfo0eNm
- MS=ms85376642
- z0rzkwz30sj7c9h74yv01dm2kyyml3qg
- MS=ms74746921
- pardot978093=0a04de0bc2089cf22ac18d8f2bd7513bf7799b025e16c7fba64ea308b0235855
- have-i-been-pwned-verification=dweb_9mpps5j88c0cuu4po7pciuus
Full email verification for jcb.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits