pennglobal.biz

Valid Email Server
Domain Lookup › pennglobal.biz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
pennglobal.biz
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 21:51:13 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

  • 104.21.6.222 (no PTR)
  • 172.67.155.45 (no PTR)
  • 2606:4700:3030::ac43:9b2d (no PTR)
  • 2606:4700:3035::6815:6de (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ian.ns.cloudflare.com dns.cloudflare.com 2397610831 10000 2400 604800 1800
Primary NS (mname)
ian.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397610831
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ines.ns.cloudflare.com
ian.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com ip4:99.11.6.59/29 ip4:71.86.139.164/28 -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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • 0ed1fe018a4d26f994872e483c86e0773667860ec0
  • MS=ms74385734
  • ZOOM_verify_OPE0045012
  • google-site-verification=dzP3hKQh4QqDYyH26OXSSxs056NQm3Tij3r7FWrF1vc
  • knowbe4-site-verification=86a75b8dc92b1ec1608688c1210af9d6
  • v=msv1 t=012EB23F-DEA6-4EF2-952C-D9FA6DCCA558
  • SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com ip4:99.11.6.59/29 ip4:71.86.139.164/28 -all
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