Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
m-r-n.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 07:14:49 UTC · ↺ Refresh
MX Hostnames
- mrn-com0k.mail.protection.outlook.com
MX Priorities
- mrn-com0k.mail.protection.outlook.com: 0
A / AAAA Records
- 78.46.179.123 ↩ dedi6291.your-server.de
- 2a01:4f8:d0a:66c8::2 ↩ dedi6291.your-server.de
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026031601 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026031601
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.mailjet.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
5 records- SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all
- apple-domain-verification=z2KhfmZWmnF7Ay0Z
- brevo-code:46d9aea169af514c79ad3264d42d0be8
- cisco-ci-domain-verification=5c2c8d379ed9e246948a9c6727ceabb5734356d1ce47fca69d9ac7657980cc43
- hkmU3YfmNVMXqQhTl627Mx+yL+T6GRDZG+a8hkqVlNdqj4grArrh7OjXjBvV0g4sWMRSJ+G4uR4r5ZOih+IrYQ==
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