Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spi-paderborn.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 15:24:34 UTC · ↺ Refresh
MX Hostnames
- spipaderborn-de0i.mail.protection.outlook.com
MX Priorities
- spipaderborn-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 85.13.156.26 ↩ dd34700.kasserver.com
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ 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:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns4.stratoserver.net hostmaster.strato-rz.de 2020051422 86400 7200 604800 300
Primary NS (mname)
ns4.stratoserver.net
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051422
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns3.stratoserver.net
ns4.stratoserver.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- MS=ms16598468
- SPFv=spf1 include:spf.protection.outlook.com -all
- verifyvs=2019052808270175a3dae3a5090ad11fac620c7e41fcc3
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