Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dm-stahl.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 23:42:36 UTC · ↺ Refresh
MX Hostnames
- dmstahl-de0e.mail.protection.outlook.com
MX Priorities
- dmstahl-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 88.99.165.7 ↩ mail.sds-computer.de
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 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
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.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:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.sds-computer.de administrator.sds-computer.de 1772328145 10800 3600 604800 10800
Primary NS (mname)
ns1.sds-computer.de
Admin Email (rname)
administrator@sds-computer.de
Serial
1772328145
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns1.sds-computer.de
ns2.sds-computer.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms76255469
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=4474769304399E1650723B33EE9FC320C060002E
- google-site-verification=tuhWvCAcTXaPrL2ep7BVHR_i34ugJzP4ltzyybm5j88
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