Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
herlufsholm.dk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 17:24:22 UTC · ↺ Refresh
MX Hostnames
- herlufsholm-dk.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 212.98.104.19
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns-soa.darenet.dk
orion.i2.dk
mimer.deic.dk
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.98.104.16/28 ip4:185.158.60.51 include:spf.protection.outlook.com include:dedicated.mysmtp.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine;
~ 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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- MS=ms82020657
- SOA=1769153408
- MS=C45CC33A0BEBC06535B594A98845D0E66EA98F89
- msfpkey=7bcz9f4hjlrzgdtqc0m9b1n3k
- inst=Herlufsholm Kostskole
- SPFv=spf1 ip4:212.98.104.16/28 ip4:185.158.60.51 include:spf.protection.outlook.com include:dedicated.mysmtp.com -all
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