Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
rotterdam.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 18:42:32 UTC · ↺ Refresh
MX Hostnames
- rotterdam-de.mail.protection.outlook.com
MX Priorities
- rotterdam-de.mail.protection.outlook.com: 10
A / AAAA Records
- 34.111.179.208 ↩ 208.179.111.34.bc.googleusercontent.com
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.91.159 ↩ mail-matpr04cu00207.inbound.protection.outlook.com
- 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca48::c ↩ mail-miypr03cu00104.inbound.protection.outlook.com
SOA Record
Raw SOA
ns15.domserver.de diego.diego.de 2021052802 43200 7200 1209600 86400
Primary NS (mname)
ns15.domserver.de
Admin Email (rname)
diego@diego.de
Serial
2021052802
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns16.domserver.de
ns17.domserver.de
ns15.domserver.de
ns18.domserver.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
✗ 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
3 records- replit-verify=0a679a26-d9a2-4e19-b5e8-e20a38fbe466
- MS=ms20263604
- SPFv=spf1 include:spf.protection.outlook.com -all
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