rackroom.com

Valid Email Server
Domain Lookup › rackroom.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rackroom.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 22:13:42 UTC · ↺ Refresh

MX Hostnames

  • mx2.hc1977.iphmx.com
  • mx1.hc1977.iphmx.com

MX Priorities

  • mx2.hc1977.iphmx.com: 15
  • mx1.hc1977.iphmx.com: 15

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 216.71.150.110 ↩ esa1.hc1977.iphmx.com
  • 216.71.154.189 ↩ esa2.hc1977.iphmx.com

SOA Record

Raw SOA ns3.level3.net dnsteam.level3.com 2025120500 86400 3600 604800 900
Primary NS (mname)
ns3.level3.net
Admin Email (rname)
dnsteam@level3.com
Serial
2025120500
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns3.level3.net
ns4.level3.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:138.1.124.188 ip4:138.1.122.229 ip4:138.1.37.172 ip4:216.71.150.110 ip4:68.232.143.152 ip4:68.232.142.21 ip4:66.193.6.39 include:_spf.google.com include:_spf.concurcompleat.com include:spf.protection.outlook.com exists:%{i}.spf.hc1977.iphmx.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

11 records
  • MS=ms56450920
  • SPFv=spf1 mx ip4:138.1.124.188 ip4:138.1.122.229 ip4:138.1.37.172 ip4:216.71.150.110 ip4:68.232.143.152 ip4:68.232.142.21 ip4:66.193.6.39 include:_spf.google.com include:_spf.concurcompleat.com include:spf.protection.outlook.com exists:%{i}.spf.hc1977.iphmx.com ~all
  • docusign=fdc512c7-10dd-42f0-86bb-43141c161d6d
  • docusign=b521a355-0893-4c0c-a489-6512cad80b05
  • mpcmhq0ljc1ljv35x7vx63wycz0qvj6m
  • Dynatrace-site-verification=e5a2dcbf-4ccd-4613-9ddd-57279e041158__h80e5j2cmql1rnavgmag12556m
  • MS=ms50226833
  • zg1kxf5rwwpf1w0pvmk80mj5dcbsgq1x
  • ciscocidomainverification=73198e254b8aca1f367a4fd9f2b9cf454eb876e81f78c9bcbe801a93386f1212
  • google-site-verification=Jl43-9tGrjrcM2FIQiIVz70carU-kzHK2HwOoaB8aHs
  • atlassian-domain-verification=MDq1NxE/75aUDBJk6AZNamm4qaP1gxRavqksMiCaoSs9pIh2MXPoFv6cSfJVj4Dn
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