Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lak-bw.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 11:39:15 UTC · ↺ Refresh
MX Hostnames
- lakbw-de0i.mail.protection.outlook.com
MX Priorities
- lakbw-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 62.26.107.177 (no PTR)
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa7.schlundtech.de technik.datec-schmidt.de 2025112401 43200 7200 1209600 86400
Primary NS (mname)
nsa7.schlundtech.de
Admin Email (rname)
technik@datec-schmidt.de
Serial
2025112401
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsc7.schlundtech.de
nsa7.schlundtech.de
nsd7.schlundtech.de
nsb7.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:62.26.107.174 ip4:195.102.248.71 ip4:62.26.107.185 ip4:62.26.107.169 ip4:62.26.107.180 ip4:93.240.160.250 include:mailout.siteforum.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms52588609
- apple-domain-verification=tLl4SqL02m7zuIai
- google-site-verification=cKpdhJ-jbi3sB8M3jJToL7mpXUlcyy0nfDSKedEsFww
- SPFv=spf1 mx ip4:62.26.107.174 ip4:195.102.248.71 ip4:62.26.107.185 ip4:62.26.107.169 ip4:62.26.107.180 ip4:93.240.160.250 include:mailout.siteforum.com include:spf.protection.outlook.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 lak-bw.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits