estr.dk

Valid Email Server
Domain Lookup › estr.dk

Domain Overview

DNS: ✓ 10h ago Checker: ✓ 10h ago
estr.dk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 17:46:30 UTC · ↺ Refresh

MX Hostnames

  • estr-dk.mail.protection.outlook.com

MX Priorities

  • estr-dk.mail.protection.outlook.com: 0

A / AAAA Records

  • 193.8.37.83 (no PTR)

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.curanet.dk hostmaster.curanet.dk 2025021801 14400 3600 1209600 300
Primary NS (mname)
ns1.curanet.dk
Admin Email (rname)
hostmaster@curanet.dk
Serial
2025021801
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns2.curanet.dk
ns1.curanet.dk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=quarantine; rua=mailto:[email protected]; fo=0
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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=ms69168795
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