Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thompsonconstruction.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:39:31 UTC · ↺ Refresh
MX Hostnames
- callahancomputing-mx1.titanhq.com
MX Priorities
- callahancomputing-mx1.titanhq.com: 0
A / AAAA Records
- 45.60.22.212 (no PTR)
- 45.60.98.212 (no PTR)
Mail Server IPs
- 3.23.166.50 ↩ us3-smtp2.titanhq.com
- 18.219.82.30 ↩ us3-smtp1.titanhq.com
- 3.145.228.208 ↩ us3-smtp2.titanhq.com
- 52.14.176.194 ↩ us3-smtp1.titanhq.com
SOA Record
Raw SOA
ns1.mydomain.com namehost.worldnic.com 125022015 10800 3600 604800 3600
Primary NS (mname)
ns1.mydomain.com
Admin Email (rname)
namehost@worldnic.com
Serial
125022015
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.mydomain.com
ns1.mydomain.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:44.193.159.65 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=0:1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._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
3 records- SPFv=spf1 mx a ip4:44.193.159.65 include:spf.protection.outlook.com -all
- MS=ms43302775
- _globalsign-domain-verification=faYY_cZBd22OWnttqDJidyKw9rZkpkwtVDA-PFXTsB
Full email verification for thompsonconstruction.com
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