Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sustainment.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 05:37:42 UTC · ↺ Refresh
MX Hostnames
- mail1.greensta.de
- mx1.greensta.de
- mx2.greensta.de
MX Priorities
- mail1.greensta.de: 15
- mx2.greensta.de: 11
- mx1.greensta.de: 9
A / AAAA Records
- 212.8.207.3 ↩ web4.greensta.de
- 2001:ae2:207::2:eb:4 ↩ web4.greensta.de
Mail Server IPs
- 212.8.207.202 ↩ mail1.greensta.de
- 2001:ae2:207::2:a:1 ↩ mail1.greensta.de
- 212.8.207.205 ↩ mx2.greensta.de
- 2001:ae2:207::2:0:2 ↩ mx2.greensta.de
- 212.15.214.248 ↩ mx1.greensta.de
SOA Record
Raw SOA
ns1.teuto.net hostmaster.teuto.net 2026040102 28000 7200 604800 86400
Primary NS (mname)
ns1.teuto.net
Admin Email (rname)
hostmaster@teuto.net
Serial
2026040102
Refresh
28000s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.teuto.net
ns3.teuto.net
ns2.teuto.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.greensta.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 include:spf.greensta.de -all
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