Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
oma.aero
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 21:14:35 UTC · ↺ Refresh
MX Hostnames
- oma-aero.mail.protection.outlook.com
MX Priorities
- oma-aero.mail.protection.outlook.com: 0
A / AAAA Records
- 64.158.242.88 (no PTR)
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.gandi.net hostmaster.gandi.net 1774483200 10800 3600 604800 10800
Primary NS (mname)
ns1.gandi.net
Admin Email (rname)
hostmaster@gandi.net
Serial
1774483200
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns-103-c.gandi.net
ns-129-b.gandi.net
ns-2-a.gandi.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com ip4:148.244.250.13 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100; ruf=mailto:[email protected]; fo=1; aspf=s; adkim=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- google-site-verification=sW5iDFGs1si0ulMdFO79COUSp1XHq-ZaOTP3QPAt4NU
- atlassian-domain-verification=gV5OEitydlTHn6Xazrfsaj4M0xttgehFVa5Y/i7VwC8W7BZg/tqAQpKpeaZtyEFd
- MS=ms55531619
- docusign=b872bf37-c893-4606-9c15-e40a2c3d14a9
- SPFv=spf1 include:spf.mailjet.com ip4:148.244.250.13 include:spf.protection.outlook.com -all
- atlassian-domain-verification=7rdSgLbWbteLhpX6KWu7VJWoMzptXtoCOAMAaNpMpaV/pgI1XgeNFOBZfCceiDba
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for oma.aero
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits