gwt.at

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
gwt.at
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-01 20:43:06 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

  • mx-02-eu-central-1.prod.hydra.sophos.com
  • mx-01-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-01-eu-central-1.prod.hydra.sophos.com: 0
  • mx-02-eu-central-1.prod.hydra.sophos.com: 10

A / AAAA Records

  • 193.81.82.114 ↩ pl041.a1webhosting.at

Mail Server IPs

  • 52.57.192.162 ↩ ec2-52-57-192-162.eu-central-1.compute.amazonaws.com
  • 18.185.230.235 ↩ ec2-18-185-230-235.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA dns3.a1.net domainadmin.a1.net 2026051101 10800 3600 1814400 3600
Primary NS (mname)
dns3.a1.net
Admin Email (rname)
domainadmin@a1.net
Serial
2026051101
Refresh
10800s
Retry
3600s
Expire
1814400s
Minimum TTL
3600s

Nameservers (NS)

dns1.a1.net
dns2.a1.net
dns3.a1.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:188.20.78.212/28 include:spf.sendinblue.com include:_spf.prod.hydra.sophos.com include:mailing.sagedpw.at -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • MS=ms95262483
  • facebook-domain-verification=xai2zr3jltj996agadnnnmia3aoi6s
  • google-site-verification=CJcgx49_COg7kTelTWdGpMaKE5AsZ3V8FD-xxeiX5kM
  • sendinblue-code:53d6bb30544cdcf4ca3257fe4442cd83
  • sophos-domain-verification=dfa688464de0c85a0d0c0e0eaf6c55caee367872
  • DMARCv=DMARC1; p=none; rua=mailto:[email protected]
  • SPFv=spf1 a mx ip4:188.20.78.212/28 include:spf.sendinblue.com include:_spf.prod.hydra.sophos.com include:mailing.sagedpw.at -all
  • 7vigktmaj8e3r0euptka7v2j01
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 gwt.at

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

No credit card required
Get 1,000 Free Credits