Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alsterradio.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 20:53:24 UTC · ↺ Refresh
MX Hostnames
- alsterradio-de.mail.protection.outlook.com
MX Priorities
- alsterradio-de.mail.protection.outlook.com: 0
A / AAAA Records
- 194.97.153.175 ↩ sites-web.antenne.de
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.space.net hostmaster.space.net 2026032003 28800 3600 864000 86400
Primary NS (mname)
ns.space.net
Admin Email (rname)
hostmaster@space.net
Serial
2026032003
Refresh
28800s
Retry
3600s
Expire
864000s
Minimum TTL
86400s
Nameservers (NS)
ns.space.net
ns3.dns.space.net
ns4.dns.space.net
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.antenne.de include:amazonses.com -all
📊 DNS lookups: 4/10
✓ 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: 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- MS=ms85471879
- DMARCv=DMARC1; p=none; rua=mailto:[email protected]; adkim=r; aspf=s
- SPFv=spf1 mx a include:spf.antenne.de include:amazonses.com -all
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