Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
natus.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 00:02:26 UTC · ↺ Refresh
MX Hostnames
- tr-gw-natus-1.natus.de
- tr-gw-natus-2.natus.de
MX Priorities
- tr-gw-natus-2.natus.de: 10
- tr-gw-natus-1.natus.de: 20
A / AAAA Records
- 109.237.140.49 ↩ alfa3202.alfahosting-server.de
Mail Server IPs
- 87.128.43.104 ↩ tr-gw-natus.natus.de
- 2003:a:37f:ab3d::1:1 ↩ tr-gw-natus.natus.de
- 217.7.66.190 ↩ tr-gw-natus.natus.de
SOA Record
Raw SOA
ns1.telekom-domains.de dns.telekom.de 2026022703 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2026022703
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s
Nameservers (NS)
ns2.telekom-domains.de
ns1.telekom-domains.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.7.66.190 ip4:87.128.43.104 ip4:217.7.66.188 ip6:2003:a:37f:ab3d::1:1 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=s; adkim=s; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 64 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=0DB6F912047189B9B196627B0DE923295A4B5D41
- SPFv=spf1 ip4:217.7.66.190 ip4:87.128.43.104 ip4:217.7.66.188 ip6:2003:a:37f:ab3d::1:1 -all
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