Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
impulswecker.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 18:22:10 UTC · ↺ Refresh
MX Hostnames
- mx01.kundenserver.de
- impulswecker-de.mail.protection.outlook.com
MX Priorities
- impulswecker-de.mail.protection.outlook.com: 0
- mx01.kundenserver.de: 10
A / AAAA Records
- 217.160.0.132 ↩ 217-160-0-132.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::25b
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 217.72.192.67 ↩ mx01.kundenserver.de
SOA Record
Raw SOA
ns1067.ui-dns.de hostmaster.1and1.com 2018071710 28800 7200 604800 300
Primary NS (mname)
ns1067.ui-dns.de
Admin Email (rname)
hostmaster@1and1.com
Serial
2018071710
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1091.ui-dns.biz
ns1067.ui-dns.de
ns1076.ui-dns.com
ns1047.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms63343080
Full email verification for impulswecker.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits