Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kleinstb.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 06:15:10 UTC · ↺ Refresh
MX Hostnames
- kleinstb-de.mail.protection.outlook.com
MX Priorities
- kleinstb-de.mail.protection.outlook.com: 0
A / AAAA Records
- 88.198.176.136 ↩ www313.your-server.de
- 2a01:4f8:d0a:129c::2 ↩ www313.your-server.de
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.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
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.one.com hostmaster.one.com 2026022401 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026022401
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns01.one.com
ns02.one.com
SPF Record
✓ Strict (-all)
v=spf1 a:mail.fp-sign.com ip4:83.246.89.68/32 include:spf.protection.outlook.com include:maildomain._spf.datev.de include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
4 records- MS=ms12259524
- SPFv=spf1 a:mail.fp-sign.com ip4:83.246.89.68/32 include:spf.protection.outlook.com include:maildomain._spf.datev.de include:spf-de.emailsignatures365.com -all
- google-site-verification=bRT591qO7hWrDAR1FL0f1NCm_Admz9IgnnHBhoqDMgk
- ms-domain-verification=3359b57b-8cf6-4853-985f-4a72b5fc7afb
Full email verification for kleinstb.de
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