Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
syskonzept.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 13:07:27 UTC · ↺ Refresh
MX Hostnames
- syskonzept-de.mail.protection.outlook.com
MX Priorities
- syskonzept-de.mail.protection.outlook.com: 0
A / AAAA Records
- 158.181.48.19 ↩ mhweb-bbg-6.internet1.de
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.internet1.de hostmaster.internet1.de 2025060401 3600 900 1209600 1800
Primary NS (mname)
ns.internet1.de
Admin Email (rname)
hostmaster@internet1.de
Serial
2025060401
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns2.internet1.de
ns.internet1.de
ns3.internet1.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.7.204.112 mx include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
6 records- google-site-verification=fOD40IL7ynVauEwqHn7aYutPHmu_i8oBYjNaawTOpyk
- 9DkkvanctcwSy+ooHKJ0MfO2GJYHilGgLIYyOgsv5tzIJ5VVLgd1shJ0u8QKBlvqy2woyYO6sUsXPEbBcaCBfA==+aHCXxQVcG09JZLT8iV7TZjFMGeBH1V6xS73gJ1ronGRyg==
- Vodmkr5cK1BXmx8YB/W1Q3TzKIkZb5Jr4Q3pjL4sq/Wh5xctWJaXpxyCH3/cUVLsAPIQJPHuzLBdA/k/9HyqMQ==
- uqm5mfCRvtKUm7jJIwieumHef53nsyiGN+UO3BH2mPlP59T9y4rHOsDS5wVJ3Jpr4WJrFNzxc1qrlZPch2zryA==
- SPFv=spf1 ip4:217.7.204.112 mx include:spf.protection.outlook.com -all
- MS=A9B1FD8FAE11F06604C08A60A257082AC79C81E8
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 syskonzept.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits