Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lacon.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 14:18:23 UTC · ↺ Refresh
MX Hostnames
- lacon-biz.mail.protection.outlook.com
MX Priorities
- lacon-biz.mail.protection.outlook.com: 1
A / AAAA Records
- 85.215.117.59 (no PTR)
Mail Server IPs
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.1blu.de hostmaster.1blu.de 2026011301 43200 5400 604800 14400
Primary NS (mname)
ns01.1blu.de
Admin Email (rname)
hostmaster@1blu.de
Serial
2026011301
Refresh
43200s
Retry
5400s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
ns01.1blu.de
ns02.1blu.de
SPF Record
✓ Soft Fail (~all)
v=spf1 <valid mail sources> <enforcement rule>
📊 DNS lookups: 0/10
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- google-site-verification=nMPzNvh2kn8PgsjDut2gYxNk_zKh7OpkLq0vwtNSELc
- SPFv=spf1 <valid mail sources> <enforcement rule>
- SPFv=spf1 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 lacon.biz
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits