Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
volckerts.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:43:34 UTC · ↺ Refresh
MX Hostnames
- volckerts-de.mail.protection.outlook.com
MX Priorities
- volckerts-de.mail.protection.outlook.com: 0
A / AAAA Records
- 85.13.156.165 ↩ dd20104.kasserver.com
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1037.ui-dns.biz hostmaster.1und1.de 2015081916 28800 7200 604800 300
Primary NS (mname)
ns1037.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2015081916
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1037.ui-dns.de
ns1037.ui-dns.biz
ns1037.ui-dns.org
ns1037.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; fo=1; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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
2 records- MS=ms18030132
- SPFv=spf1 a include:spf.protection.outlook.com -all
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