Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
krahnen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 21:42:51 UTC · ↺ Refresh
MX Hostnames
- krahnen-de.mail.protection.outlook.com
MX Priorities
- krahnen-de.mail.protection.outlook.com: 10
A / AAAA Records
- 193.26.15.157 (no PTR)
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1049.ui-dns.de hostmaster.schlund.de 2017031764 28800 7200 604800 300
Primary NS (mname)
ns1049.ui-dns.de
Admin Email (rname)
hostmaster@schlund.de
Serial
2017031764
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1049.ui-dns.com
ns1049.ui-dns.de
ns1049.ui-dns.biz
ns1049.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.nl2go.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.nl2go.com include:spf.protection.outlook.com -all
- brevo-code:dda111bef8aa87d557cd815b0f0beffe
- DMARCv=DMARC1; p=none; rua=mailto:[email protected]
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