Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
captainds.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 00:57:52 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010135 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010135
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns4.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns0.dnsmadeeasy.com
ns3.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=captainds.com.hosted.spf-report.com
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];fo=d:s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- google-site-verification=eV0kHK4allgw0IbiA8RADcJAdwKQaFsWK5-GzS-Pu60
- sqWdX6qBbgZmwZ/gsjAWJKGSVnm3V3MuTU2iTI3aO4QXb4nYjkiKpkUrymAhFROjLg8DXX0jXVk1S70iOx3QBw==
- MS=ms48887077
- vmware-cloud-verification-5983bdac-d935-45ae-a83c-add545387a61
- ptsmfartd369o2ol8fa3mbbb5h
- google-site-verification=GlnY9a2fel_T8Wb75FHywgiWeTodyx3RyboL9jUnXb4
- SPFv=spf1 redirect=captainds.com.hosted.spf-report.com
- apple-domain-verification=IFhzITF6Dt4p4MMg
- whzRfgCvdchFQQeEdGe+uEeHMKCmMnn1QOBtlu69sY9NPMIyCQgk3f950hQKWyo9N4rHleqgE4EGmrAEZo7dlw==
- KHjjYtLyowfQ237lzfzkTP40N4FMF+yyrcxwwnmUqatFx3BFTkBJmIxc/d4lCqIrSfan7W6MsmNtoxfiykdatg==
- gmcq60qe1es19j5b2rh8ss3rdo
- dgGrzt5wHHr8YLIqkWbgjosNOXmQFS6rYkWR9EyHg/Au132Ce7XO2wH/THzV5UiYRgXIVdjHkmAxUOCTuwVZFg==
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