Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
magaero.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 20:12:50 UTC · ↺ Refresh
MX Hostnames
- magaero-com.mail.protection.office365.us
MX Priorities
- magaero-com.mail.protection.office365.us: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
- 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
- 2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com
- 2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com
SOA Record
Raw SOA
greg.ns.cloudflare.com dns.cloudflare.com 2399441071 10000 2400 604800 1800
Primary NS (mname)
greg.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399441071
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kara.ns.cloudflare.com
greg.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.office365.us -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
8 records- traction-guest=2441447d-604d-4767-a1d9-b720824eb036
- SPFv=spf1 include:spf.protection.office365.us -all
- 9hKbd2jV+G2ZxDeK+HQ+G5Wr58/H+BXmgGmlw7Qfqco=
- MS=ms16564811
- MS=ms36635493
- MS=ms41090091
- _globalsign-domain-verification=GXci_SHdEF_YHfHya_tsLrJD1kkMlrmfH9NwwWHQE2
- dropbox-domain-verification=vubpwgzgowjs
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 magaero.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits