marco.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
marco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 05:06:12 UTC · ↺ Refresh

MX Hostnames

  • marco-com.mail.protection.outlook.com

MX Priorities

  • marco-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 209.59.129.74 ↩ host.advancingeyecare.com

Mail Server IPs

  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA pdns07.domaincontrol.com dns.jomax.net 2026012500 28800 7200 604800 600
Primary NS (mname)
pdns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns07.domaincontrol.com
pdns08.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:72.15.211.0/24 ip4:204.145.103.57 ip4:96.45.125.192/26 ip4:66.199.3.64/27 include:mailgun.org include:smtp2go.com include:spf.sendwp.com include:spf.ess.barracudanetworks.com ip4:209.59.129.74 include:spf.protection.outlook.com include:host.advancingeyecare.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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

4 records
  • 22ptt58ps6vdb05nvhcf8tv9fg9r8gx0
  • google-site-verification=437sRT60YdahouTLslLq8fICLFHpyed6Z6yia5fObwk
  • SPFv=spf1 ip4:72.15.211.0/24 ip4:204.145.103.57 ip4:96.45.125.192/26 ip4:66.199.3.64/27 include:mailgun.org include:smtp2go.com include:spf.sendwp.com include:spf.ess.barracudanetworks.com ip4:209.59.129.74 include:spf.protection.outlook.com include:host.advancingeyecare.com -all
  • knowbe4-site-verification=b43498ecf330707120ab1149fca5e17e
Full email verification for marco.com

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