Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
rex-austria.at
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-11-10 14:25:17 UTC · ↺ Refresh
MX Hostnames
- rexaustria-at0i.mail.protection.outlook.com
MX Priorities
- rexaustria-at0i.mail.protection.outlook.com: 0
A / AAAA Records
- 185.166.20.209 ↩ shared-clump0192-web.agenturserver.it
Mail Server IPs
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.91.159 ↩ mail-matpr04cu00207.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca48::a ↩ mail-miypr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca38::a ↩ mail-wa4pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.domaintechnik.at hostmaster.1und1.com 2026110603 10800 3600 604800 86400
Primary NS (mname)
ns1.domaintechnik.at
Admin Email (rname)
hostmaster@1und1.com
Serial
2026110603
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.domaintechnik.at
ns2.domaintechnik.at
ns1.domaintechnik.at
ns4.domaintechnik.at
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.prosolution.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- SPFv=spf1 include:spf.prosolution.com include:spf.protection.outlook.com ~all
- ngdgptjj5mca44ttaanno1r2i1
- MS=ms75672125
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 rex-austria.at
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits