Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swan.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 19:55:06 UTC · ↺ Refresh
MX Hostnames
- swan-de.mail.protection.outlook.com
MX Priorities
- swan-de.mail.protection.outlook.com: 10
A / AAAA Records
- 88.198.220.232 ↩ www353.your-server.de
- 2a01:4f8:d0a:528d::2 ↩ www353.your-server.de
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026022302 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026022302
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.166.242.166 ip4:92.204.33.134 ip4:52.232.1.120 ip4:23.88.111.42 include:spf.protection.outlook.com include:7094231.spf10.hubspotemail.net include:_spf.atlassian.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
4 records- google-site-verification=3AiTCQHd67xRxc5fWlzP04O7dXjDINkJ2K28AQtIOfQ
- SPFv=spf1 ip4:52.166.242.166 ip4:92.204.33.134 ip4:52.232.1.120 ip4:23.88.111.42 include:spf.protection.outlook.com include:7094231.spf10.hubspotemail.net include:_spf.atlassian.net -all
- atlassian-domain-verification=jU2WW7okyTqyhx5S8sMvWG1UrSKl12cpTf4fCZAyWqNC6iAgyu0jaUH6WUPWlWhV
- atlassian-sending-domain-verification=c8a43c30-78e5-4030-a3df-3df1df5a154d
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