Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seaboardoverseas.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 17:37:20 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 10
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 199.16.172.96 (no PTR)
- 199.16.173.189 (no PTR)
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010128 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010128
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns14.digicertdns.net
ns15.digicertdns.net
ns12.digicertdns.com
ns13.digicertdns.net
ns10.digicertdns.com
ns11.digicertdns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:34.215.24.107 ip4:52.6.190.122 include:usb._netblocks.mimecast.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- bw=Ka8OfdS8ys0UVccz2jHJhd2VBypksBr7D0XjKGyEQNJk
- onetrust-domain-verification=ba2d3e9e8879410dbd0d8ae97c33db7b
- knowbe4-site-verification=223ccb8914adbc16370ee64c922af038
- SPFv=spf1 ip4:34.215.24.107 ip4:52.6.190.122 include:usb._netblocks.mimecast.com -all
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