Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dihla.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 23:25:59 UTC · ↺ Refresh
MX Hostnames
- dihla-de.mail.protection.outlook.com
- isp-backup.namemaster.de
MX Priorities
- isp-backup.namemaster.de: 99
- dihla-de.mail.protection.outlook.com: 10
A / AAAA Records
- 212.12.37.220 (no PTR)
Mail Server IPs
- 81.209.154.150 ↩ isp-backup.namemaster.de
- 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
- 52.101.170.1 ↩ 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
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.namemaster.de ns2.namemaster.de 2016061600 3600 901 1209600 86400
Primary NS (mname)
ns1.namemaster.de
Admin Email (rname)
ns2@namemaster.de
Serial
2016061600
Refresh
3600s
Retry
901s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.namemaster.de
ns4.namemaster.de
ns3.namemaster.de
ns2.namemaster.de
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
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms69641414
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for dihla.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits