Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
customcolo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 15:41:56 UTC · ↺ Refresh
MX Hostnames
- mx.nmmn.com
MX Priorities
- mx.nmmn.com: 10
A / AAAA Records
- 217.114.70.21 ↩ web01.nmmn.com
- 2a01:688:4:69:1::4 ↩ web01.nmmn.com
Mail Server IPs
- 217.114.77.12 ↩ mx03.nmmn.com
- 217.114.70.6 ↩ mx01.nmmn.com
- 217.114.77.14 ↩ mx02.nmmn.com
- 2a01:688:2:4:2:2::2 ↩ mx02.nmmn.com
- 2a01:688:2:4:2:2::3 ↩ mx03.nmmn.com
- 2a01:688:4:69:1::11 ↩ mx01.nmmn.com
SOA Record
Raw SOA
ns2.nmmn.com service.nmmn.com 2024052202 10800 3600 1209600 10800
Primary NS (mname)
ns2.nmmn.com
Admin Email (rname)
service@nmmn.com
Serial
2024052202
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns3.nmmn.de
ns2.nmmn.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:_spf.nmmn.com +a:web01.nmmn.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 +a +mx include:_spf.nmmn.com +a:web01.nmmn.com ~all
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