Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dolphins.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 22:44:50 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 151.101.130.110 (no PTR)
- 151.101.194.110 (no PTR)
- 151.101.2.110 (no PTR)
- 151.101.66.110 (no PTR)
Mail Server IPs
- 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
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
udns1.ultradns.net dm\.dnsrequest.nfl.com 2015071496 1800 600 3600000 86400
Primary NS (mname)
udns1.ultradns.net
Admin Email (rname)
dm\@dnsrequest.nfl.com
Serial
2015071496
Refresh
1800s
Retry
600s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
udns1.ultradns.net
udns2.ultradns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:spf.mandrillapp.com include:spf.protection.outlook.com ip4:148.163.148.194 ip4:148.163.152.194 ip4:129.145.16.107 ip4:129.145.16.108 ip4:129.145.16.109 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
26 records- yahoo-verification-key=yECW/bJAzU/koZzxcHjncZFXqZc4yHVXkYbNZvkpur4=
- autodesk-domain-verification=1iS7dGLncUQjeagFFVzT
- twilio-domain-verification=4d2a13ce1eff624f2845ed907ad9d6e8
- d365mktkey=6ny4wvoe58mqo108j7pjpdeuz
- ba6gciibuvp6vt6kp7cvh5vldi
- d365mktkey=50gw4u6lcm6bv0x9n2l53nfgp
- bw=3a4uofvcOR9A5ueU0NcKRDyGBNR9Y9kBSUKIvyzPgurK
- ug7np2595hajcu2q45lp4foenv
- cisco-ci-domain-verification=5da1760e4af07319a0eb3c2474be0177c81015afe7472fe06dd8dec3bffafb94
- rovag_verification_token=2D684708AA414261910139D49F361E8E
- ZOOM_verify_E3teKFGPHhD7JMpGY9yWk2
- wrike-verification=NTcwMzE3MDo5ZWFiOTM1MWE4Yjc5NzE1MDFkNWZlZjFiNTJkYTZiNTZmZjk1MDg4OGM3Y2M4YzNjNDRiMTAwOTE0ODRkMDhi
- apple-domain-verification=mw1rgXj9Q3lQffs_fLGHpfD7TGAahRruUtOP8I11GIo
- K8ucmhYW3HTSCkscRS03jGQV7sR93JpuYZHU7bWMSFglswYwgL0anucKVIS7+tP9w3C7PbfeNvweVAPN6HBNBQ==
- MS=ms57190751
- jamf-site-verification=dz6ug73Ig15q_PvlHM-tSQ
- 1r2i2vjbbl0mff23tnfpcu7e53
- box-domain-verification=c4b59aa9638ef2e9a1333da9d43749cc1579290e92e4b5860d15e141386a4199
- ln9KKjV0HWUbIUdAqnakLZWGxwdKyHf3hcJf8EZzJZNtgYenXWZ9uF3rhdXiEpWoQILYo5KME9wOiwYnBiC3vg==
- dropbox-domain-verification=h1n2mxw7f03e
- apple-domain-verification=TmAHisacAiCPwoNn
- google-site-verification=HpYjMCg7QrHCz3OA7-ISTui_JoGyaNBJlKr4eBnYE5E
- apple-domain-verification=d6klTCVeaFAjvjcLfns7vuJJWVc9dn5HL8dWi_RmCUg
- google-site-verification=7YVjz9uLlP6W_xGrAKlDeOHQ0G8rGtz4RvzHPZ19-yE
- d365mktkey=vcDCb0GXE4VaTXNcI0xqAZGuEOXUVwG6Q07sGwMxveQx
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf.mandrillapp.com include:spf.protection.outlook.com ip4:148.163.148.194 ip4:148.163.152.194 ip4:129.145.16.107 ip4:129.145.16.108 ip4:129.145.16.109 ~all
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