Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnzentrum-frankfurter-bogen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 18:04:16 UTC · ↺ Refresh
MX Hostnames
- zahnzentrumfrankfurterbogen-de02i2i.mail.protection.outlook.com
MX Priorities
- zahnzentrumfrankfurterbogen-de02i2i.mail.protection.outlook.com: 20
A / AAAA Records
- 193.141.3.65 ↩ a01.rzone.de
- 2a01:238:20a:202:1065:: ↩ w01.rzone.de
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
docks17.rzone.de hostmaster.strato-rz.de 2020122994 86400 7200 604800 300
Primary NS (mname)
docks17.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020122994
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks17.rzone.de
shades16.rzone.de
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
✗ 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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