Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blue-puls.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:06:27 UTC · ↺ Refresh
MX Hostnames
- bluepuls-de01b.mail.protection.outlook.com
MX Priorities
- bluepuls-de01b.mail.protection.outlook.com: 0
A / AAAA Records
- 78.46.156.197 ↩ www291.your-server.de
- 2a01:4f8:d0a:126c::2 ↩ www291.your-server.de
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026021400 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026021400
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns.second-ns.com
ns1.your-server.de
ns3.second-ns.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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms60326179
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