columbusairports.com

Valid Email Server
Domain Lookup › columbusairports.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
columbusairports.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 05:13:31 UTC · ↺ Refresh

MX Hostnames

  • columbusairports-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 141.193.213.21 (no PTR)
  • 141.193.213.20 (no PTR)

Mail Server IPs

  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA dns101.register.com root.register.com 126030308 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
126030308
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns101.register.com
dns102.register.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:12.87.92.126 ip4:24.142.147.69 ip4:12.33.208.190 ip4:130.51.220.190 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → 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

9 records
  • apple-domain-verification=UXTvjHQihyEvhDZU
  • apple-domain-verification=m80UJJ4IaF2BSdY6
  • 6wq/wW+yzgZNsRptVhBrPsSLbaMGquwNFsgUKSix3Hi84JHgSH3ibY4KfRw8bmFnM4vukT+8Y86txAvsGBit6A==
  • adobe-sign-verification=ad204450fcd3ee89e73f12bdbdf3d526
  • adobe-idp-site-verification=042c0d1788b496c1607067022d391b899fb284efba116bc9126f8345f0153703
  • MS=208085B7FAECB149107881DAFBB4035B7555330E
  • SPFv=spf1 ip4:12.87.92.126 ip4:24.142.147.69 ip4:12.33.208.190 ip4:130.51.220.190 include:spf.protection.outlook.com -all
  • atlassian-domain-verification=S5arFTzddnCVlUadfRbbzNfxhoRm4VVinhln7c2YIQyA6PxCOval/BRWEtRYshqW
  • cisco-ci-domain-verification=2218759179a46739b7448cda04f0f0697e9f1c2201276dd9a42875584e4678d5
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