Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
rth.dk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-10-29 15:24:49 UTC · ↺ Refresh
MX Hostnames
- genome.ku.dk
MX Priorities
- genome.ku.dk: 10
A / AAAA Records
- 130.225.166.226 ↩ genome.ku.dk
Mail Server IPs
- 130.225.166.226 ↩ genome.ku.dk
SOA Record
Raw SOA
ns1.ku.dk hostmaster.adm.ku.dk 2026102201 7200 3600 604800 3600
Primary NS (mname)
ns1.ku.dk
Admin Email (rname)
hostmaster@adm.ku.dk
Serial
2026102201
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.ku.dk
ns1.ku.dk
SPF Record
✓ Strict (-all)
v=spf1 a mx a:genome.ku.dk -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1; ri=3600
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
↳ 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
2 records- Center for non-coding RNA in Technology and Health
- SPFv=spf1 a mx a:genome.ku.dk -all
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