aaronline.com

Valid Email Server
Domain Lookup › aaronline.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 20:45:55 UTC · ↺ Refresh

MX Hostnames

  • aaronline-com.mail.protection.outlook.com

MX Priorities

  • aaronline-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 104.26.3.12 (no PTR)
  • 104.26.2.12 (no PTR)
  • 172.67.70.25
  • 2606:4700:20::681a:30c
  • 2606:4700:20::681a:20c
  • 2606:4700:20::ac43:4619

Mail Server IPs

  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA jihoon.ns.cloudflare.com dns.cloudflare.com 2399166026 10000 2400 604800 1800
Primary NS (mname)
jihoon.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399166026
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

melinda.ns.cloudflare.com
jihoon.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:208.87.232.0/21 ip4:67.216.171.140 ip4:128.136.52.123 ip4:128.136.113.172 include:spf.protection.outlook.com include:customers.clickdimensions.com include:mailrelayb.ramcoams.org include:spf.aristotle.com include:sendgrid.net include:mailgun.org ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 ip4:208.87.232.0/21 ip4:67.216.171.140 ip4:128.136.52.123 ip4:128.136.113.172 include:spf.protection.outlook.com include:customers.clickdimensions.com include:mailrelayb.ramcoams.org include:spf.aristotle.com include:sendgrid.net include:mailgun.org ~all
  • MS=ms67825167
  • WYa9a7kWBr053tFc6nc pm7Ofm KJSQsazCd2txgJ/U=
Full email verification for aaronline.com

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