Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ottosystem.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 03:11:11 UTC · ↺ Refresh
MX Hostnames
- swh14.cmpsrv.com
MX Priorities
- swh14.cmpsrv.com: 10
A / AAAA Records
- 212.53.206.65 ↩ swh14.cmpsrv.com
Mail Server IPs
- 212.53.206.65 ↩ swh14.cmpsrv.com
SOA Record
Raw SOA
ns.compositiv.com info.compositiv.com 2023062600 10000 1800 604800 180
Primary NS (mname)
ns.compositiv.com
Admin Email (rname)
info@compositiv.com
Serial
2023062600
Refresh
10000s
Retry
1800s
Expire
604800s
Minimum TTL
180s
Nameservers (NS)
ns03.compositiv.com
ns02.compositiv.com
ns04.compositiv.com
ns.compositiv.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=reject;pct=100;rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 a mx ~all
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