Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bks.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 03:45:25 UTC · ↺ Refresh
MX Hostnames
- bks-de.mail.protection.outlook.com
MX Priorities
- bks-de.mail.protection.outlook.com: 10
A / AAAA Records
- 159.60.157.20 (no PTR)
Mail Server IPs
- 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
- 52.101.170.0 ↩ mail-fr5p281cu00500.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
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.f5clouddns.com f5xc-dns.f5.com 2025120965 86400 7200 360000 1800
Primary NS (mname)
ns1.f5clouddns.com
Admin Email (rname)
f5xc-dns@f5.com
Serial
2025120965
Refresh
86400s
Retry
7200s
Expire
360000s
Minimum TTL
1800s
Nameservers (NS)
ns1.f5clouddns.com
ns2.f5clouddns.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.g-u.de ip4:195.185.139.233 ip4:20.113.48.88 ip4:195.185.139.254 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=0;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
12 records- uuYP1vp5bn7URp+er+aE84OfxQNia0kaHLSNhZhB9O466PMdpUTqiXrv6i6dOQbVodpZWDm3k2OvNqS/Dk9cXA==
- atlassian-domain-verification=3EVpwT3XWOqgOaQ2dyUMpqqXNXLNrabvQzlkmz5x44FI2YtDTrMvyOQD5TUdryOp
- google-site-verification=mWTh2hFYL6OzZHC02JlSyBSNrq9stdQ6KS0AM9aOFAc
- MS=ms22152739
- knowbe4-site-verification=ef28d35a195bdf670c7a3c2e7677e4a3
- qcrck4qn144tq05u36l1amqlvr
- 4dcd2caf8ad4c66aba51cb8a30fe4d0d
- google-site-verification=vyKm8NKh4NowUAj0bpjwZvY5CeuI73-ViR3JbCIRQ_U
- apple-domain-verification=P1rqrT6MxDT4pk2n
- bw=UKZ5zmBzSN62sHeU687PgPssXR8VeM14V2N8BQFKzVHr
- SPFv=spf1 include:_spf.g-u.de ip4:195.185.139.233 ip4:20.113.48.88 ip4:195.185.139.254 include:spf.protection.outlook.com -all
- DMARCv=DMARC1; p=reject; fo=0;
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