massman.net

Valid Email Server
Domain Lookup › massman.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
massman.net
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 08:25:28 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 198.49.23.145 (no PTR)
  • 198.185.159.145 (no PTR)
  • 198.49.23.144 (no PTR)
  • 198.185.159.144 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.ispn.net servers.ispn.net 2025031802 3600 600 1209600 600
Primary NS (mname)
ns1.ispn.net
Admin Email (rname)
servers@ispn.net
Serial
2025031802
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns1.ispn.net
ns2.ispn.net

SPF Record

✓ Strict (-all)
v=spf1 include:_netblocks.mimecast.com include:86204f.workshop-spf.net ip4:208.185.229.0/24 ip4:208.185.235.0/24 ip4:148.59.108.0/23 ip4:148.59.106.0/23 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

7 records
  • MS=ms33589994
  • CF1D-2111-07B7-CB49-B069-D2DE-38C4-11C2
  • SPFv=spf1 include:_netblocks.mimecast.com include:86204f.workshop-spf.net ip4:208.185.229.0/24 ip4:208.185.235.0/24 ip4:148.59.108.0/23 ip4:148.59.106.0/23 -all
  • apple-domain-verification=nuiDr6FJq9Vow0U4
  • msfpkey=4tomsh32k7iob8dxn7lc0fpm4
  • 0bdUwfiI45SdbGWBCaGrQKaiwHpHbo6UzxbtFonrvkFhg02U9NwUBS/L6VfEP7/oWNZre3wukQPVdGwWZRZHZw==
  • google-site-verification=wsdbQFlxx4yeVpNPmt7Bjc29Lc6LYE6Cqw4srO2Rqvw
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