Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ib-lsa.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 18:55:25 UTC · ↺ Refresh
MX Hostnames
- mail.ib-lsa.de
MX Priorities
- mail.ib-lsa.de: 10
A / AAAA Records
- 95.130.254.11 ↩ iblsa-0048.ion2s.com
Mail Server IPs
- 217.110.210.132 ↩ mail.ib-lsa.de
SOA Record
Raw SOA
nsa1.schlundtech.de do-not-reply.ib-lsa.de 2025112600 43200 7200 1209600 86400
Primary NS (mname)
nsa1.schlundtech.de
Admin Email (rname)
do-not-reply@ib-lsa.de
Serial
2025112600
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsa1.schlundtech.de
nsb1.schlundtech.de
nsd1.schlundtech.de
nsc1.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a:outbound.ib-lsa.de a:mail.ib-lsa.de a:mail.test.ib-lsa.de include:spf.mail.s-web.de ip4:217.110.196.234 ip4:62.180.228.194 ip4:62.146.141.34 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- apple-domain-verification=hlEgAiLBp5AlVCIZ
- SPFv=spf1 a:outbound.ib-lsa.de a:mail.ib-lsa.de a:mail.test.ib-lsa.de include:spf.mail.s-web.de ip4:217.110.196.234 ip4:62.180.228.194 ip4:62.146.141.34 ~all
- cisco-ci-domain-verification=170d1168ff08f29a0cd4c1e7a1709a70e256d01a460369be9e9eb075b4a6ce81
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 ib-lsa.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits