Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
u-erre.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 15:27:56 UTC · ↺ Refresh
MX Hostnames
- uerre-mx0c.mail.protection.outlook.com
MX Priorities
- uerre-mx0c.mail.protection.outlook.com: 0
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-360.awsdns-45.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-360.awsdns-45.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1586.awsdns-06.co.uk
ns-360.awsdns-45.com
ns-808.awsdns-37.net
ns-1481.awsdns-57.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:9304501.spf03.hubspotemail.net include:_spf.mlsend.com include:mail.zendesk.com include:_spf.qualtrics.com -allmailerlite-domain-verification=f2406d6fe0657026b4dc69868c9a8920dada1622
📊 DNS lookups: 5/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; aspf=s; adkim=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
5 records- SPFv=spf1 include:spf.protection.outlook.com include:9304501.spf03.hubspotemail.net include:_spf.mlsend.com include:mail.zendesk.com include:_spf.qualtrics.com -allmailerlite-domain-verification=f2406d6fe0657026b4dc69868c9a8920dada1622
- MS=ms36504716
- amazonses:ar2K9Pfh4mACBRDX+trpQX8IRwcL+STNUfdAloPHIvo=
- google-site-verification=CUsVJJJIDrh7UViW1Rp6LqhYJfsng26aAVVptckHq7o
- openai-domain-verification=dv-K4ZN6gA8hjcqvSn1F4SFdZEu
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 u-erre.mx
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits