Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
messmer-pen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 21:36:55 UTC · ↺ Refresh
MX Hostnames
- mail.messmer-pen.com
MX Priorities
- mail.messmer-pen.com: 10
A / AAAA Records
- 217.160.0.235 ↩ 217-160-0-235.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::26c ↩ 2001-08d8-100f-f000-0000-0000-0000-026c.elastic-ssl.ui-r.com
Mail Server IPs
- 217.86.187.21 ↩ mail.messmer-pen.com
SOA Record
Raw SOA
ns3.kundenserver.de hostmaster.1und1.com 2017060160 28800 7200 604800 600
Primary NS (mname)
ns3.kundenserver.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060160
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns4.kundenserver.de
ns3.kundenserver.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:217.86.187.21 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=V9NaQXCXdBNL9BJux5rY3OQIS_Szm544nwj71Bt8-7Q
- SPFv=spf1 a mx ip4:217.86.187.21 -all
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