Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
planb-ruhr.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 19:55:18 UTC · ↺ Refresh
MX Hostnames
- planbruhr-de01c.mail.protection.outlook.com
MX Priorities
- planbruhr-de01c.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.208 ↩ 217-160-0-208.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::241 ↩ 2001-08d8-100f-f000-0000-0000-0000-0241.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1086.ui-dns.org hostmaster.1und1.com 2017060196 28800 7200 604800 600
Primary NS (mname)
ns1086.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060196
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1083.ui-dns.de
ns1086.ui-dns.org
ns1115.ui-dns.com
ns1086.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:79.140.182.217 ip4:80.147.33.111 ip4:78.94.7.114 ip4:5.63.63.60 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- apple-domain-verification=t3CSeKvWjZ9sbbBo
- SPFv=spf1 a mx ip4:79.140.182.217 ip4:80.147.33.111 ip4:78.94.7.114 ip4:5.63.63.60 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de -all
- MS=ms19920458
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