Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
ist.ac.at
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-10-29 17:14:09 UTC · ↺ Refresh
MX Hostnames
- ist-ac-at.mail.protection.outlook.com
MX Priorities
- ist-ac-at.mail.protection.outlook.com: 10
A / AAAA Records
- 78.104.209.17 (no PTR)
Mail Server IPs
- 40.107.180.0 ↩ mail-vixp296cu00300.inbound.protection.outlook.com
- 40.107.180.2 ↩ mail-viyp296cu00502.inbound.protection.outlook.com
- 40.107.180.3 ↩ mail-viyp296cu00403.inbound.protection.outlook.com
- 40.107.180.6 ↩ mail-vizp296cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca6e::3 ↩ mail-viyp296cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca6e::2 ↩ mail-viyp296cu00502.inbound.protection.outlook.com
- 2a01:111:f403:ca6e::6 ↩ mail-vizp296cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca6e:: ↩ mail-vixp296cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.ist.ac.at postmaster.ist.ac.at 2026102204 1800 900 604800 600
Primary NS (mname)
ns1.ist.ac.at
Admin Email (rname)
postmaster@ist.ac.at
Serial
2026102204
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns5.univie.ac.at
ns10.univie.ac.at
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:78.104.209.27/32 ip4:78.104.209.32/32 ip4:78.104.209.33/32 include:_spf.cna.at include:_spf.pretix.eu include:_spf.itandtel.at a:smtpw.cytric.net include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo 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
15 records- ZOOM_verify__kK67fWkR3mASh-ZAoNRxw
- HARICA-LjcDR2dLfNEZuveXLm9
- atlassian-domain-verification=ldVtLy1YNtiu6C/LBOaX9vWXuZVzR8NL3jAGpOmuyDH5aDnM7bmCrkUHKjo9Tf3g
- HARICA-96VFJ7F0HyGxhXiSskE
- d365mktkey=60k5rip6hc2bqt27kabr31huw
- MS=6B90B058AB94AF71EB59EAE4985F34EC96AC1CA8
- MS=ms43137258
- d365mktkey=lukon4xgrukDdnbI46ZB6jhbvnsOailis9zIBjXR34Ux
- anthropic-domain-verification-rnfk3h=Z1PN2nh9OLZbqt5ZfyZfgLI7L
- adobe-idp-site-verification=dedc8672e93d3108d2cbf21b99722781301fde0804c1c1065aa9815f951fd46a
- SPFv=spf1 mx ip4:78.104.209.27/32 ip4:78.104.209.32/32 ip4:78.104.209.33/32 include:_spf.cna.at include:_spf.pretix.eu include:_spf.itandtel.at a:smtpw.cytric.net include:spf.protection.outlook.com -all
- google-site-verification=OxzoVrz7j9w0talwod-JvbefKUF2yb6mkctCwuWTEqY
- google-site-verification=WEFt_BmC8powqa3RUPnT-nFmg10yCEU8NonBDN3Cxik
- apple-domain-verification=Bjd4KqxPDNXifS4V
- canva-site-verification=KfFqagkaaGal505QbB9LEw
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 ist.ac.at
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits