Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
doppeld.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 09:56:18 UTC · ↺ Refresh
MX Hostnames
- doppeld-de.mail.protection.outlook.com
MX Priorities
- doppeld-de.mail.protection.outlook.com: 10
A / AAAA Records
- 185.175.199.9 (no PTR)
- 2a00:1c98:60:1181::c123:ca1b (no PTR)
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.raidboxes.net hostmaster.raidboxes.net 2025102105 43200 7200 1209600 86400
Primary NS (mname)
ns1.raidboxes.net
Admin Email (rname)
hostmaster@raidboxes.net
Serial
2025102105
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.raidboxes.net
ns4.raidboxes.net
ns2.raidboxes.net
ns1.raidboxes.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.nl2go.com include:spf.sendinblue.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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- Sendinblue-code:8578b5032268d7aea6c0e31d6d13113d
- SPFv=spf1 include:spf.protection.outlook.com include:spf.nl2go.com include:spf.sendinblue.com -all
- MS=ms57147887
Full email verification for doppeld.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits