Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
a-b-f.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 19:18:23 UTC · ↺ Refresh
MX Hostnames
- abf-de0k.mail.protection.outlook.com
MX Priorities
- abf-de0k.mail.protection.outlook.com: 0
A / AAAA Records
- 37.120.191.197 ↩ krebs-und-ich.de
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026033009 14400 1800 604800 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026033009
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.cloud.ci-solution.com include:indivsurvey.de -all
📊 DNS lookups: 3/10
✓ 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
6 records- apple-domain-verification=sBYfdDtwnS6UXQqT
- google-site-verification=8ib_TPSLu-kB3b0t5GHjxkYf_3HQNfCa4NL_rfWDFPQ
- google-site-verification=DKNif4q9v1-L_7kMrUttuYPYaAyXeivtCCUJn0JMCVw
- SPFv=spf1 include:spf.protection.outlook.com include:spf.cloud.ci-solution.com include:indivsurvey.de -all
- MS=3669740545DF40E3D0CA71A6B15566644A3E6A13
- MS=ms92213202
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