Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fc-mettmann.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 16:30:47 UTC · ↺ Refresh
MX Hostnames
- fcmettmann-de0e.mail.protection.outlook.com
MX Priorities
- fcmettmann-de0e.mail.protection.outlook.com: 10
A / AAAA Records
- 104.21.29.146 (no PTR)
- 172.67.149.100 (no PTR)
- 2606:4700:3035::6815:1d92
- 2606:4700:3030::ac43:9564
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ram.ns.cloudflare.com dns.cloudflare.com 2399258646 10000 2400 604800 1800
Primary NS (mname)
ram.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399258646
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
savanna.ns.cloudflare.com
ram.ns.cloudflare.com
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: 216 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
2 records- MS=ms82122521
- SPFv=spf1 include:spf.protection.outlook.com -all
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