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
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 detectedNo 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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