Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dsm-contracting.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 09:09:15 UTC · ↺ Refresh
MX Hostnames
- mx2.emailsrvr.com
- mx1.emailsrvr.com
MX Priorities
- mx2.emailsrvr.com: 20
- mx1.emailsrvr.com: 10
A / AAAA Records
- 104.19.152.75 (no PTR)
- 104.19.153.75 (no PTR)
Mail Server IPs
- 146.20.161.2 ↩ mx2.emailsrvr.com
- 184.106.54.1 ↩ mx1.emailsrvr.com
- 173.203.187.1 ↩ mx1.emailsrvr.com
- 108.166.43.1 ↩ mx1.emailsrvr.com
- 146.20.161.1 ↩ mx1.emailsrvr.com
SOA Record
Raw SOA
ns1.dnsimple.com admin.dnsimple.com 2014010926 86400 10800 604800 300
Primary NS (mname)
ns1.dnsimple.com
Admin Email (rname)
admin@dnsimple.com
Serial
2014010926
Refresh
86400s
Retry
10800s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple.com
ns1.dnsimple.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:emailsrvr.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- SPFv=spf1 include:emailsrvr.com ~all
- MS=ms86413469
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