Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
starkht.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 02:23:56 UTC · ↺ Refresh
MX Hostnames
- starkht-de.mail.protection.outlook.com
MX Priorities
- starkht-de.mail.protection.outlook.com: 10
A / AAAA Records
- 18.199.31.89 ↩ ec2-18-199-31-89.eu-central-1.compute.amazonaws.com
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.rrpproxy.net tech.rrpproxy.net 2026035133 10800 3600 604800 3600
Primary NS (mname)
ns1.rrpproxy.net
Admin Email (rname)
tech@rrpproxy.net
Serial
2026035133
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.rrpproxy.net
ns1.rrpproxy.net
ns2.rrpproxy.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.snwlhostedeu.com include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr ip4:51.68.189.137 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ 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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.snwlhostedeu.com include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr ip4:51.68.189.137 -all
- MS=ms30978427
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