Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ddv-nr.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 12:42:52 UTC · ↺ Refresh
MX Hostnames
- ddvnr-de0i.mail.protection.outlook.com
MX Priorities
- ddvnr-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 92.205.186.188 ↩ 188.186.205.92.host.secureserver.net
- 2a00:1169:110:f1e0:: (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 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
- 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.ddv-nr.de info.ddv-nr.de 2025102701 10800 3600 604800 10800
Primary NS (mname)
ns1.ddv-nr.de
Admin Email (rname)
info@ddv-nr.de
Serial
2025102701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
pdns02.domaincontrol.com
ns1.ddv-nr.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfserver.auctores.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spfserver.auctores.de -all
- MS=ms55569386
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