Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opsahlco.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:40:14 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
- 75.2.70.75 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
- 99.83.190.102 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
lennon.ns.cloudflare.com dns.cloudflare.com 2398899451 10000 2400 604800 1800
Primary NS (mname)
lennon.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398899451
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
maeve.ns.cloudflare.com
lennon.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:104.42.180.73 ip4:50.233.197.50 ip4:160.109.111.220 a:srvptctc118.prosystemfx.net a:mail.opsahlco.com include:spf.protection.outlook.com include:servers.mcsv.net include:opsahlco-com.spf.smtp25.com include:_netblocks.mimecast.com include:46940686.spf10.hubspotemail.net include:spf.mtasv.net -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- MS=ms76564674
- Target: 0ed1fe018a040360e7a92e4fa59045392f2eaa3a9e
- anthropic-domain-verification-3mexd0=DCRjCX37OouhzHLGfDzJlyd2j
- fireflies-verification=01KKJK9GSPSRSAKRZ19MGS3Y2J.ffverify.fireflies.ai-request-verification=2026-03-13T03:19:26Z
- google-site-verification=4eoQNIf0FCitS93Azsnc5uxHmKuYsxMSsmN8_4n1LLk
- knowbe4-site-verification=aee0c35a4e967160c1508b7731fa1c89
- SPFv=spf1 mx ip4:104.42.180.73 ip4:50.233.197.50 ip4:160.109.111.220 a:srvptctc118.prosystemfx.net a:mail.opsahlco.com include:spf.protection.outlook.com include:servers.mcsv.net include:opsahlco-com.spf.smtp25.com include:_netblocks.mimecast.com include:46940686.spf10.hubspotemail.net include:spf.mtasv.net -all
- 0ed1fe018a040360e7a92e4fa59045392f2eaa3a9e
- 0ed1fe018aef8b5a7bb7af46eca86be917e4aaa6c1
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