Domain Overview
DNS: ✓ 4d ago
Checker: ✓ 4d ago
ritterundfrank.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 03:06:47 UTC · ↺ Refresh
MX Hostnames
- ritterundfrank-de.mail.protection.outlook.com
MX Priorities
- ritterundfrank-de.mail.protection.outlook.com: 0
A / AAAA Records
- 168.119.251.94 ↩ srv23.ondics.de
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net domain.ondics.de 2023111300 10800 3600 604800 10800
Primary NS (mname)
a.ns14.net
Admin Email (rname)
domain@ondics.de
Serial
2023111300
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
b.ns14.net
d.ns14.net
c.ns14.net
a.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
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=nQH0w2zOLIV5Q9TusgLsFNjRLbZORb7KIrDQPeB9YrY
- MS=ms46899435
- apple-domain-verification=puhlMuWvWpxbib1n
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