Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
derdom.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 14:47:18 UTC · ↺ Refresh
MX Hostnames
- derdom-de.mail.protection.outlook.com
MX Priorities
- derdom-de.mail.protection.outlook.com: 10
A / AAAA Records
- 20.56.92.85 (no PTR)
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net domain.nacura.de 2025100100 43200 7200 604800 3600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
domain@nacura.de
Serial
2025100100
Refresh
43200s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
d.ns14.net
a.ns14.net
b.ns14.net
c.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
5 records- google-site-verification=pATdL63qHPG9iwK_t_LBgNwHVioTo2dqyjSjYlgr3yk
- google-site-verification=-HysHfoAyoL3NYUx4I7C4flqtvSAXE73Q9sFrlc9xkk
- SPFv=spf1 include:spf.protection.outlook.com -all
- 201705150959002ve2wz9rp33f8yyi93my3cmuxdt0rxmfrrei800x2tnvx433f9
- MS=ms92672722
Full email verification for derdom.de
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