Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
alcatraz.dk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-10-30 07:33:12 UTC · ↺ Refresh
MX Hostnames
- mx1.onlinemail.io
- mx2.onlinemail.io
MX Priorities
- mx2.onlinemail.io: 20
- mx1.onlinemail.io: 10
A / AAAA Records
- 94.231.109.52 ↩ web12.curanet.dk
Mail Server IPs
- 46.36.208.16 ↩ mx2.onlinemail.io
- 185.21.42.12 ↩ mx1.onlinemail.io
SOA Record
Raw SOA
ns1.123hotel.dk hostmaster.curanet.dk 2026082401 14400 3600 1209600 300
Primary NS (mname)
ns1.123hotel.dk
Admin Email (rname)
hostmaster@curanet.dk
Serial
2026082401
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns2.123hotel.dk
ns1.123hotel.dk
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf.curanet.dk include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=r; aspf=r; fo=1;ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
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
1 record- SPFv=spf1 a include:spf.curanet.dk include:mailgun.org ~all
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