Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schweikart-isolierung.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 06:47:48 UTC · ↺ Refresh
MX Hostnames
- schweikartisolierung-de02e.mail.protection.outlook.com
MX Priorities
- schweikartisolierung-de02e.mail.protection.outlook.com: 100
A / AAAA Records
- 89.63.1.201 ↩ web01.it4you.gmbh
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.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
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.mainns.de info.domains.resellerinterface.de 1774917211 14400 3600 604800 300
Primary NS (mname)
ns1.mainns.de
Admin Email (rname)
info@domains.resellerinterface.de
Serial
1774917211
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns3.mainns.net
ns1.mainns.de
ns2.mainns.eu
SPF Record
✓ Strict (-all)
v=spf1 mx a include:ispgateway.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ 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
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms43902464
- SPFv=spf1 mx a include:ispgateway.de include:spf.protection.outlook.com -all
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