Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstinterstatebank.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 12:30:10 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 151.101.66.137 (no PTR)
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
dns.firstinterstatebank.com domains.fib.com 17430 10800 1080 2419200 900
Primary NS (mname)
dns.firstinterstatebank.com
Admin Email (rname)
domains@fib.com
Serial
17430
Refresh
10800s
Retry
1080s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
dns2.firstinterstatebank.com
dns3.firstinterstatebank.info
dns.firstinterstatebank.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mtasv.net include:amazonses.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
1 record- SPFv=spf1 include:spf.mtasv.net include:amazonses.com ~all
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