Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
brainerdchemical.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 21:36:14 UTC · ↺ Refresh
MX Hostnames
- mx-01-us-east-2.prod.hydra.sophos.com
- mx-02-us-east-2.prod.hydra.sophos.com
MX Priorities
- mx-01-us-east-2.prod.hydra.sophos.com: 10
- mx-02-us-east-2.prod.hydra.sophos.com: 20
A / AAAA Records
- 141.193.213.10 (no PTR)
Mail Server IPs
- 3.135.48.136 ↩ ec2-3-135-48-136.us-east-2.compute.amazonaws.com
- 18.218.105.173 ↩ ec2-18-218-105-173.us-east-2.compute.amazonaws.com
- 18.189.107.171 ↩ ec2-18-189-107-171.us-east-2.compute.amazonaws.com
SOA Record
Raw SOA
ns49.worldnic.com namehost.worldnic.com 125040113 10800 3600 604800 3600
Primary NS (mname)
ns49.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125040113
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns49.worldnic.com
ns50.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 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
5 records- sophos-domain-verification=9f427f82cb13f097447fa7afa8e043abeef627bb
- lc1mfgtu9gb24okb9a40f39iju
- MS=ms78491729
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- sophos-domain-verification=356c3f8d6ca5e76993e0405eed718063a4e297eadba3b4a9daeaa9e55f0fb241
Full email verification for brainerdchemical.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits