Domain Overview
DNS: ✓ 8d ago
Checker: ✓ 8d ago
viennaairport-technik.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-08 22:52:18 UTC · ↺ Refresh
MX Hostnames
- mx.viennaairport.com
MX Priorities
- mx.viennaairport.com: 10
A / AAAA Records
- 193.43.158.110 ↩ www.umweltfonds.at
Mail Server IPs
- 193.43.158.171 ↩ mx2.viennaairport.com
- 193.43.158.170 ↩ mx1.viennaairport.com
SOA Record
Raw SOA
dns4.a1.net hostmaster.viennaairport-technik.com 29 900 600 86400 3600
Primary NS (mname)
dns4.a1.net
Admin Email (rname)
hostmaster@viennaairport-technik.com
Serial
29
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
dns4.a1.net
dns5.a1.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.viennaairport.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms41095780
- SPFv=spf1 include:spf.viennaairport.com -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 viennaairport-technik.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits