Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
steamcommunity.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:30:06 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 23.54.184.97 ↩ a23-54-184-97.deploy.static.akamaitechnologies.com
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.valvesoftware.com admin.valvesoftware.com 2025070760 3600 900 2419200 43200
Primary NS (mname)
ns1.valvesoftware.com
Admin Email (rname)
admin@valvesoftware.com
Serial
2025070760
Refresh
3600s
Retry
900s
Expire
2419200s
Minimum TTL
43200s
Nameservers (NS)
a9-66.akam.net
a2-64.akam.net
a7-66.akam.net
a1-194.akam.net
a24-64.akam.net
a22-67.akam.net
SPF Record
✓ Strict (-all)
v=spf1 mx include:_netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; sp=reject; adkim=s; aspf=s; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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 mx include:_netblocks.mimecast.com -all
- google-site-verification=vsUrXpDBPSpF6cqB24j-eo8q-GgNzs7MbSUP-6Ch8kc
Full email verification for steamcommunity.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits