49ers.com

Valid Email Server
Domain Lookup › 49ers.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
49ers.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 11:08:08 UTC · ↺ Refresh

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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

  • 151.101.130.110 (no PTR)
  • 151.101.66.110 (no PTR)
  • 151.101.2.110 (no PTR)
  • 151.101.194.110 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA udns1.ultradns.net dns_admin.nfl.com 2017061594 60 60 3600000 300
Primary NS (mname)
udns1.ultradns.net
Admin Email (rname)
dns_admin@nfl.com
Serial
2017061594
Refresh
60s
Retry
60s
Expire
3600000s
Minimum TTL
300s

Nameservers (NS)

udns1.ultradns.net
udns2.ultradns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:mktomail.com include:spf.mandrillapp.com include:_spf.qualtrics.com include:_spf.createsend.com include:_spf-dc4.sapsf.com ip4:209.222.25.117 ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

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

All TXT Records

8 records
  • google-site-verification=2FEfHSZIkJXA59bm8MciYI3cgnBEpCafqWGRREbGSww
  • SPFv=spf1 mx include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:mktomail.com include:spf.mandrillapp.com include:_spf.qualtrics.com include:_spf.createsend.com include:_spf-dc4.sapsf.com ip4:209.222.25.117 ~all
  • MS=ms25421821
  • 5smvrp091j27qyilnb7sn4
  • 5m5isd5r7r1flvbqje0qt7lsuj
  • ZOOM_verify_NDl1UA73jdRilSXCX4Qy5E
  • apple-domain-verification=sitN2JrdwugR2RPs
  • facebook-domain-verification=vwwo1rtnu8zw3orqt3ok0ky0ebi739
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