Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tomarco.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:40:29 UTC · ↺ Refresh
MX Hostnames
- mx2.hc3746-46.iphmx.com
- mx1.hc3746-46.iphmx.com
MX Priorities
- mx1.hc3746-46.iphmx.com: 0
- mx2.hc3746-46.iphmx.com: 0
A / AAAA Records
- 104.19.154.92 (no PTR)
Mail Server IPs
- 139.138.57.201 ↩ esa1.hc3746-46.iphmx.com
- 216.71.154.225 ↩ esa2.hc3746-46.iphmx.com
SOA Record
Raw SOA
ns15.worldnic.com namehost.worldnic.com 125042210 10800 3600 604800 3600
Primary NS (mname)
ns15.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125042210
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns16.worldnic.com
ns15.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:12.235.183.230 ip4:12.207.36.244 ip4:74.220.151.20 include:spf.protection.outlook.com include:mailgun.org -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- ms-domain-verification=0714df83-1562-4685-b6e8-4cb155d63e58
- SPFv=spf1 ip4:12.235.183.230 ip4:12.207.36.244 ip4:74.220.151.20 include:spf.protection.outlook.com include:mailgun.org -all
- 9ayb8Cub/LlqVeVe0Pn65SA9Ahhe9j0G9+CmL2T2S5wcuXEQcpDMbWiHuJUEjvdeXSfyjDiAH+G29oFO2jxpnA==
- smartsheet-site-validation=DqdSck4NWBGfgvwAXC9UQsoItCS0m_L2
- MS=ms37023714
- duo_sso_verification=QYyhk2uSqjLBCZNytZrHtVNyDhAXEkXtwdzVrYr5IfynNB0duerJ0QcBj9hGyEuP
Full email verification for tomarco.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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