Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fed.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 00:27:07 UTC · ↺ Refresh
MX Hostnames
- FED-de.mail.protection.outlook.com
MX Priorities
- fed-de.mail.protection.outlook.com: 0
A / AAAA Records
- 88.198.220.203 ↩ dedi3695.your-server.de
- 2a01:4f8:d0a:5383::2 ↩ dedi3695.your-server.de
Mail Server IPs
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2025121834 28800 7200 1209600 600
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2025121834
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
root-dns.netcup.net
third-dns.netcup.net
second-dns.netcup.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip6:2a00:1158:400:407::572 ip6:2a00:1158:400:407::324 ip4:134.119.225.36 ip4:88.198.220.203 ip4:213.109.163.253 ip6:2a03:4000:36:167:78f8:d8ff:fe12:fe1b include:spf.crsend.com 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
✓ 1 found
default._domainkey
✓ Public key: 392 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
2 records- google-site-verification=sKrh7LzhvYZfvHMMtqjVpwrR3z2BisuDFIZpRBxfDS0
- SPFv=spf1 a mx ip6:2a00:1158:400:407::572 ip6:2a00:1158:400:407::324 ip4:134.119.225.36 ip4:88.198.220.203 ip4:213.109.163.253 ip6:2a03:4000:36:167:78f8:d8ff:fe12:fe1b include:spf.crsend.com include:spf.protection.outlook.com -all
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