Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gasser-messer.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 03:37:06 UTC · ↺ Refresh
MX Hostnames
- mail.gasser-messer.com
MX Priorities
- mail.gasser-messer.com: 10
A / AAAA Records
- 194.39.205.32 ↩ nsa.dd14.firma5.com
Mail Server IPs
- 194.39.205.32 ↩ nsa.dd14.firma5.com
SOA Record
Raw SOA
nsa.dd14.firma5.com support.firma5.com 2025100800 28800 7200 604800 39600
Primary NS (mname)
nsa.dd14.firma5.com
Admin Email (rname)
support@firma5.com
Serial
2025100800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
39600s
Nameservers (NS)
nsb.dd14.firma5.com
nsa.dd14.firma5.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ptr ip4:84.33.39.15 ip4:194.39.205.32 a:dd14.firma5.com a:dd25.firma5.com a:dd34.firma5.com include:korrm.com include:spf.crsend.com include:spf.sendinblue.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a ptr ip4:84.33.39.15 ip4:194.39.205.32 a:dd14.firma5.com a:dd25.firma5.com a:dd34.firma5.com include:korrm.com include:spf.crsend.com include:spf.sendinblue.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
See demo & docs
Deep verification
Full email verification for gasser-messer.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits