Domain Overview
DNS: ✓ just now
Checker: ✓ just now
tmlbyg.dk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-02 01:45:42 UTC · ↺ Refresh
MX Hostnames
- mx2.onlinemail.io
- mx1.onlinemail.io
MX Priorities
- mx1.onlinemail.io: 10
- mx2.onlinemail.io: 20
A / AAAA Records
- 212.97.141.26 ↩ web03.webtohosting.dk
Mail Server IPs
- 185.21.42.12 ↩ mx1.onlinemail.io
- 46.36.208.16 ↩ mx2.onlinemail.io
SOA Record
Raw SOA
ns1.curanet.dk hostmaster.curanet.dk 2026032611 14400 3600 1209600 300
Primary NS (mname)
ns1.curanet.dk
Admin Email (rname)
hostmaster@curanet.dk
Serial
2026032611
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns1.curanet.dk
ns2.curanet.dk
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.curanet.dk -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:spf.curanet.dk -all
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