disubco.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
disubco.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 17:08:32 UTC · ↺ Refresh

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MX Hostnames

  • mx2-dk.centerasecurity.dk
  • mx3-dk.centerasecurity.dk
  • mx1-dk.centerasecurity.dk

MX Priorities

  • mx2-dk.centerasecurity.dk: 10
  • mx1-dk.centerasecurity.dk: 10
  • mx3-dk.centerasecurity.dk: 20

A / AAAA Records

  • 185.21.41.111 ↩ linux17.curanet.dk

Mail Server IPs

  • 89.233.19.128 (no PTR)
  • 89.233.19.129 (no PTR)
  • 128.76.60.169 ↩ mx6.centerasecurity.dk
  • 128.76.60.168 ↩ mx6.centerasecurity.dk
  • 89.233.19.127 (no PTR)
  • 128.76.60.187 ↩ mx6.centerasecurity.dk
  • 128.76.60.167 ↩ mx6.centerasecurity.dk
  • 89.233.19.188 (no PTR)

SOA Record

Raw SOA a.portsdns.se registry.ports.net 2026032001 10800 3600 604800 3600
Primary NS (mname)
a.portsdns.se
Admin Email (rname)
registry@ports.net
Serial
2026032001
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

b.portsdns.net
a.portsdns.se

SPF Record

✓ Strict (-all)
v=spf1 +a include:_spf.centerasecurity.dk include:spf.protection.outlook.com +ip4:144.76.98.53 +include:spf.curanet.dk +ip4:185.21.41.184 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

3 records
  • MS=ms92778205
  • google-site-verification=lgFla5yYiWVQbFTZsRwmi0k7FBZCqfmILkXhkD_A25U
  • SPFv=spf1 +a include:_spf.centerasecurity.dk include:spf.protection.outlook.com +ip4:144.76.98.53 +include:spf.curanet.dk +ip4:185.21.41.184 -all
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