Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sankt-katharinen-ffm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 15:32:45 UTC · ↺ Refresh
MX Hostnames
- mx02.msp.ng-networks.net
- mx01.msp.ng-networks.net
MX Priorities
- mx01.msp.ng-networks.net: 10
- mx02.msp.ng-networks.net: 20
A / AAAA Records
- 85.13.132.55 ↩ dd7738.kasserver.com
Mail Server IPs
- 79.142.44.86 ↩ mx01.msp.ng-networks.net
SOA Record
Raw SOA
ns1112.ui-dns.org hostmaster.1und1.com 2017060195 28800 7200 604800 600
Primary NS (mname)
ns1112.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060195
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1112.ui-dns.org
ns1065.ui-dns.de
ns1032.ui-dns.com
ns1066.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:87.193.247.102 include:_spf-eu.ionos.com include:_spf.ng-networks.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- apple-domain-verification=RenOsLHXEtHfWGyY
- SPFv=spf1 a mx ip4:87.193.247.102 include:_spf-eu.ionos.com include:_spf.ng-networks.net ~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 sankt-katharinen-ffm.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits