Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sealevelinc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 07:33:26 UTC · ↺ Refresh
MX Hostnames
- callahancomputing-mx1.titanhq.com
MX Priorities
- callahancomputing-mx1.titanhq.com: 0
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 3.145.228.208 ↩ us3-smtp2.titanhq.com
- 52.14.176.194 ↩ us3-smtp1.titanhq.com
- 3.23.166.50 ↩ us3-smtp2.titanhq.com
- 18.219.82.30 ↩ us3-smtp1.titanhq.com
SOA Record
Raw SOA
ns1.mydomain.com namehost.worldnic.com 126021809 10800 3600 604800 3600
Primary NS (mname)
ns1.mydomain.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021809
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.mydomain.com
ns1.mydomain.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com a:sealevelinc.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],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; ri=86400; aspf=s; adkim=s; fo=0:1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- proxy-ssl.webflow.com
- SPFv=spf1 mx include:spf.protection.outlook.com a:sealevelinc.com -all
- GB649NRVJVJXTMUD1HJEKVDTOGY0YZIMCPF2MAB1
- _globalsign-domain-verification=faYY_cZBd22OWnttqDJidyKw9rZkpkwtVDA-PFXTsB
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