Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
harburg21.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 16:08:29 UTC · ↺ Refresh
MX Hostnames
- mx0.harburg21.de
MX Priorities
- mx0.harburg21.de: 50
A / AAAA Records
- 202.61.232.124 ↩ ae87c.netcup.net
Mail Server IPs
- 80.237.138.5 ↩ mx0.webpack.hosteurope.de
SOA Record
Raw SOA
ns29.domaincontrol.com dns.jomax.net 2025081400 28800 7200 604800 600
Primary NS (mname)
ns29.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025081400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns30.domaincontrol.com
ns29.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:wp10836629.mailout.server-he.de ip6:2a01:488:42:1000:50ed:8492:: include:spf.protection.outlook.com include:srv.webcoast.dk include:_spf.webhosting.systems ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- 6v8s08fs8e4hcg2vfrlavm8ova
- SPFv=spf1 a mx a:wp10836629.mailout.server-he.de ip6:2a01:488:42:1000:50ed:8492:: include:spf.protection.outlook.com include:srv.webcoast.dk include:_spf.webhosting.systems ~all
- MS=ms22328509
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