Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
asb-bremen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 11:06:47 UTC · ↺ Refresh
MX Hostnames
- asbbremen-de0i.mail.protection.outlook.com
MX Priorities
- asbbremen-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 178.77.78.113 ↩ onlineservice2.asb.de
- 2a01:488:66:1000:b24d:4e71::1 (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.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
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa9.schlundtech.de do-not-reply.asb-bremen.de 2024122001 43200 7200 1209600 300
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
do-not-reply@asb-bremen.de
Serial
2024122001
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
nsb9.schlundtech.de
nsa9.schlundtech.de
nsc9.schlundtech.de
nsd9.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:cdc-s-mxgw02.comramo.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected]; sp=none; aspf=r; adkim=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
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
5 records- google-site-verification=EaJ9tw6z_lYSlyc4ph6uMFfsl4HUjuPhW8VNjeFHTME
- apple-domain-verification=VTIOm1gPtjZFFFU7
- SPFv=spf1 include:spf.protection.outlook.com include:cdc-s-mxgw02.comramo.net -all
- NnKZnj4nTkrDBp+ak8mM5doIu9RYwpPac/ckF+rZbVfdPE6y6DgQnxNFQQgQY0YfdhQJ5NvO5OrCm170zWP08g==
- MS=ms43388763
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