Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
stlboiler.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 03:01:12 UTC · ↺ Refresh
MX Hostnames
- mx1-us.emailsecurity.app
- mx2-us.emailsecurity.app
MX Priorities
- mx2-us.emailsecurity.app: 10
- mx1-us.emailsecurity.app: 5
A / AAAA Records
- 216.14.34.250 ↩ 216-14-34-250.static-ip.telepacific.net
Mail Server IPs
- 172.212.4.33 ↩ mx1-us.emailsecurity.app
- 40.121.188.167 ↩ mx1-us.emailsecurity.app
SOA Record
Raw SOA
ns1.digitalspaceportal.net postmaster.carrierzone.com 2026022614 86400 300 3600000 300
Primary NS (mname)
ns1.digitalspaceportal.net
Admin Email (rname)
postmaster@carrierzone.com
Serial
2026022614
Refresh
86400s
Retry
300s
Expire
3600000s
Minimum TTL
300s
Nameservers (NS)
ns2.digitalspaceportal.net
ns1.digitalspaceportal.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf1.emailsecurity.app ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- MS=ms17451018
- 10u1h093bi47kfual8a52jnsfc
- SPFv=spf1 a mx include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf1.emailsecurity.app ~all
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