Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
b-mg.berlin
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 16:29:36 UTC · ↺ Refresh
MX Hostnames
- mx1.krystal.io
- mx2.krystal.io
MX Priorities
- mx1.krystal.io: 10
- mx2.krystal.io: 20
A / AAAA Records
- 141.98.26.37 ↩ p2.ams.krystal.io
Mail Server IPs
- 185.53.56.46 ↩ mx1.strikemail.co.uk
- 185.53.56.44 ↩ mx1.strikemail.co.uk
- 185.53.56.47 ↩ mx2.strikemail.co.uk
- 185.53.56.45 ↩ mx2.strikemail.co.uk
SOA Record
Raw SOA
ns1.krystal.uk admin.demo.p2.ams.krystal.io 2026050901 3600 1800 1209600 86400
Primary NS (mname)
ns1.krystal.uk
Admin Email (rname)
admin@demo.p2.ams.krystal.io
Serial
2026050901
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.krystal.uk
ns2.krystal.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 +ip4:141.98.26.37 +include:agenturserver.de ~undefined
📊 DNS lookups: 1/10
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
default._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
2 records- SPFv=spf1 +ip4:141.98.26.37 +include:agenturserver.de ~undefined
- google-site-verification=n4lPkRgl4wHRlwOR5lwWtMlseOBZL6nFqOfZiVRv-3Q
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