Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pos.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 10:41:45 UTC · ↺ Refresh
MX Hostnames
- mail.pos.de
MX Priorities
- mail.pos.de: 10
A / AAAA Records
- 49.12.146.167 ↩ ispc.pos.de
Mail Server IPs
- 49.12.146.167 ↩ ispc.pos.de
- 2a01:4f8:172:1a8f::2 ↩ ispc.pos.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026031101 7200 1800 2419200 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026031101
Refresh
7200s
Retry
1800s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de
SPF Record
✓ Strict (-all)
v=spf1 a:mail.pos.de a:pos.de ip4:49.12.146.167 ip6:2a01:4f8:172:1a8f::2 include:spf.sendinblue.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
default._domainkey
mail._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
3 records- Sendinblue-code:85cf1ad09d5696c7731419920a789e7f
- google-site-verification=BeQkA0MnvYBm2o_R5yusyZmenr7ahZLTy15jitEiQo0
- SPFv=spf1 a:mail.pos.de a:pos.de ip4:49.12.146.167 ip6:2a01:4f8:172:1a8f::2 include:spf.sendinblue.com -all
Full email verification for pos.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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