Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gustafsen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 10:32:02 UTC · ↺ Refresh
MX Hostnames
- m.gustafsen.de
- mail.gustafsen.de
MX Priorities
- m.gustafsen.de: 100
- mail.gustafsen.de: 50
A / AAAA Records
- 91.250.70.243 ↩ vwp11879.webpack.hosteurope.de
Mail Server IPs
- 212.80.250.91 ↩ mail.gustafsen.de
SOA Record
Raw SOA
ns75.domaincontrol.com dns.jomax.net 2026031201 28800 7200 604800 600
Primary NS (mname)
ns75.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns76.domaincontrol.com
ns75.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:89.246.242.4 ip4:104.151.127.91 ip4:212.36.148.148 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- 607r2kseo2hk3ubj74nleikl5a
- SPFv=spf1 a mx ip4:89.246.242.4 ip4:104.151.127.91 ip4:212.36.148.148 -all
- 6361n36d17smemk8fumlnrq8kq
- google-site-verification=ZfOY1j8ww_cTTy_Ci9YIVyiuflqOUdB1DjIluVehnbY
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