Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
realfm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:30:27 UTC · ↺ Refresh
MX Hostnames
- www243.your-server.de
MX Priorities
- www243.your-server.de: 10
A / AAAA Records
- 188.40.28.23 ↩ www243.your-server.de
Mail Server IPs
- 188.40.28.23 ↩ www243.your-server.de
- 2a01:4f8:d0a:1211::2 ↩ www243.your-server.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026011200 86400 10800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026011200
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
7200s
Nameservers (NS)
ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:217.113.184.128/28 include:spf.sendinblue.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
3 records- Sendinblue-code:0e98e49256df7d432811a5e43d8171ab
- SPFv=spf1 a mx ip4:217.113.184.128/28 include:spf.sendinblue.com ~all
- MS=BF711E5649B1DB5F2FF145684F4EC81435089817
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