Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swandolphin.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:09:31 UTC · ↺ Refresh
MX Hostnames
- swandolphin-com.mail.protection.outlook.com
MX Priorities
- swandolphin-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
SOA Record
Raw SOA
ns03.domaincontrol.com dns.jomax.net 2025112000 28800 7200 604800 600
Primary NS (mname)
ns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025112000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns04.domaincontrol.com
ns03.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.marriott.com include:spf.givex.com include:sendgrid.net include:spf.smtp2go.com include:spf.sendinblue.com include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._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- apple-domain-verification=nKOL-4hfIv_79dL0oiuRNHUCGr30_YjkJXz-wTDULQQ
- docusign=9b50fb44-fd63-4c91-907e-337d3147733f
- apple-domain-verification=BQX7XMN9gIxzKc90
- google-site-verification=PKu4FYEqs_xi04jg-xlI8Tz9VarMPaNxH-wqV_oN72A
- pCFrunxvvUlUlRxY8tSFwf1I1QZqbw9e/0v+k9ovqRKN1nggY1EsuzeD0oUX3uHJRD4fuyf9zsG0B/BbTnrI8A==
- SPFv=spf1 include:spf.marriott.com include:spf.givex.com include:sendgrid.net include:spf.smtp2go.com include:spf.sendinblue.com include:spf.protection.outlook.com -all
- Sendinblue-code:f6bacdded624e611a9de9e75c5f9de71
- google-site-verification=Vu6tDWUzYUYR_U_teDnt6GuDOLF3_mJy9xJtLKJrhv0
- MS=ms36230478
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