Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spd-lu-friesenheim.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 19:57:33 UTC · ↺ Refresh
MX Hostnames
- riker.unaone.net
MX Priorities
- riker.unaone.net: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 87.118.87.99 ↩ riker.unaone.net
- 87.118.86.99 ↩ riker.unaone.net
- 2001:1b60:3:35:5703::2 (no PTR)
- 2001:1b60:3:35:5703::1 ↩ riker.unaone.net
SOA Record
Raw SOA
ns.riker.unaone.net support.unaone.net 2024102801 14400 1800 604800 3600
Primary NS (mname)
ns.riker.unaone.net
Admin Email (rname)
support@unaone.net
Serial
2024102801
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.riker.unaone.net
ns2.riker.unaone.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:192.168.0.0 ~alll
📊 DNS lookups: 2/10
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
✓ 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 a mx ip4:192.168.0.0 ~alll
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 spd-lu-friesenheim.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits