valvesoftware.com

Valid Email Server
Domain Lookup › valvesoftware.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
valvesoftware.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 16:47:29 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • us-smtp-inbound-2.mimecast.com

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 10
  • us-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 184.31.66.9 ↩ a184-31-66-9.deploy.static.akamaitechnologies.com

Mail Server IPs

  • 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA a1-164.akam.net admin.valvesoftware.com 2025071293 3600 900 2419200 3600
Primary NS (mname)
a1-164.akam.net
Admin Email (rname)
admin@valvesoftware.com
Serial
2025071293
Refresh
3600s
Retry
900s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

a1-194.akam.net
a2-64.akam.net
a9-66.akam.net
a7-66.akam.net
a24-64.akam.net
a22-67.akam.net

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:72.165.61.134/31 ip4:216.207.205.96/28 ip4:208.64.203.142/31 ip4:208.64.203.180/30 ip4:208.64.202.36/28 ip6:2620:f9:1:1::/64 include:_netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; sp=quarantine; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✗ None detected

No 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

10 records
  • docker-verification=e2a4d858-9744-4422-be23-a5b603b7e2de
  • kgej9AWMUerpL+WGSyI2hN7b4FFcagAzRZvoHfCOMvhG+W+xaff9Smsq7vbPBdDoBh+hiWzkkBSVlgL2l47GgA==
  • CRu0do5v6lYoBQ/nLTsyB2MuSP9fnIzhFmpfJqmjJGNngkOR6QScH2mx4y+joM/S9Up5lFJRFnXMHEaZFuv8Ww==
  • slack-domain-verification=FUsmkusgwkLtI9MpPclkPJpnWvZeR55LRExH2Aae
  • logmein-verification-code=068f4cd3-ee6d-4546-b163-777e0b540571
  • h1-domain-verification=2rUfV6GURqrd473467gk3uWkiuVEpcfZBxtwFCZHyAbkfxP5
  • atlassian-domain-verification=8W72YZrigWSkrAXgYFb9cvpSo8ydO+mOsn4eGqOaBQvF3dbPdako8DVUoKFreZKO
  • SPFv=spf1 mx ip4:72.165.61.134/31 ip4:216.207.205.96/28 ip4:208.64.203.142/31 ip4:208.64.203.180/30 ip4:208.64.202.36/28 ip6:2620:f9:1:1::/64 include:_netblocks.mimecast.com -all
  • ZOOM_verify_6txb0CpTQ16fLBlTpAC9dQ
  • MS=ms61951141
Full email verification for valvesoftware.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits