Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
whiteduck.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 18:27:10 UTC · ↺ Refresh
MX Hostnames
- whiteduck-de.mail.protection.outlook.com
MX Priorities
- whiteduck-de.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.71.158 (no PTR)
- 104.26.15.43 (no PTR)
- 104.26.14.43
- 2606:4700:20::681a:f2b
- 2606:4700:20::ac43:479e
- 2606:4700:20::681a:e2b
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
dexter.ns.cloudflare.com dns.cloudflare.com 2400128504 10000 2400 604800 1800
Primary NS (mname)
dexter.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400128504
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dexter.ns.cloudflare.com
melody.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
5 records- bw=kh50nm3j4w5cgwvcSB21QadFyXuVl79wWWBpVgavXWZD
- google-site-verification=f6wjy5H2QbWIJYKTQOi-dm36qJa04-GiSLwKoAEbOig
- ms-domain-verification=8e4b15b3-53dc-459f-90be-8fe144c5042a
- SPFv=spf1 include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all
- xgp6j2pkxvp0c29z6hc4frwwf6gck9km
Full email verification for whiteduck.de
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