w1.at

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
w1.at
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-11-11 14:00:47 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • w1-at.mail.protection.outlook.com

MX Priorities

  • w1-at.mail.protection.outlook.com: 10

A / AAAA Records

  • 151.101.2.191 (no PTR)
  • 151.101.130.191 (no PTR)
  • 151.101.194.191
  • 151.101.66.191

Mail Server IPs

  • 52.101.209.153 ↩ mail-cpjpr04cu00101.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::e ↩ mail-matpr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::10 ↩ mail-miypr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::a ↩ mail-maspr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns-373.awsdns-46.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-373.awsdns-46.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-373.awsdns-46.com
ns-619.awsdns-13.net
ns-1281.awsdns-32.org
ns-1718.awsdns-22.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.dialog-mail.com include:amazonses.com include:servers.mcsv.net a:mail.w1.at -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;adkim=r;aspf=r;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
~ 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

4 records
  • 1password-site-verification=5FKXOJAZGJF7HJTBDR5YXL2Q7M
  • atlassian-domain-verification=2ivfRxb1YUDZGmrkgFyqKaFQWEDnNFszFNUlFiSq1ZCDHpDQA9EI2R0CEkWXy8Qy
  • google-site-verification=N-RLr27wpxmg0YQEVYM5uQijAH51EgAD0-X9OwT88bA
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.dialog-mail.com include:amazonses.com include:servers.mcsv.net a:mail.w1.at -all
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 · Customize →
See demo & docs
Deep verification
Full email verification for w1.at

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits