Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mrpfd.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 13:29:21 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
- 54.243.57.23 ↩ ec2-54-243-57-23.compute-1.amazonaws.com
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1-04.azure-dns.com abuse.marketresourcepartners.com 133 900 600 86400 3600
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
abuse@marketresourcepartners.com
Serial
133
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns3-32.azure-dns.org
ns4-32.azure-dns.info
ns1-32.azure-dns.com
ns2-32.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com a:mail.mrpfd.com a:dm.mrpdata.net a:njutil.firstderivatives.com ip4:38.98.196.227 ip4:38.98.196.229 ip4:195.89.161.2 ip4:62.254.174.98 ip4:178.255.65.58 include:_spf.ultipro.com include:spf.protection.outlook.com include:_spf.sendergen.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; sp=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
9 records- duo_sso_verification=Ys0O2LGxgAczkEaXlej1Fv7vLCuqtsRe5LKvoA0tvn8MRXxOCt9LIFA6uuX2R2sP
- cisco-ci-domain-verification=e76f9f9f1ee348402058525b279dc9ae860a143d48082d6daea61a2f274a2c3
- ZOOM_verify_32QHpwRF0KvkYpLhYP73Go
- MS=ms34746448
- SPFv=spf1 include:us._netblocks.mimecast.com a:mail.mrpfd.com a:dm.mrpdata.net a:njutil.firstderivatives.com ip4:38.98.196.227 ip4:38.98.196.229 ip4:195.89.161.2 ip4:62.254.174.98 ip4:178.255.65.58 include:_spf.ultipro.com include:spf.protection.outlook.com include:_spf.sendergen.com -all
- w4FQOgaEMwowoY76Qcz6wlSMHy0KVXBUvP7bKAdCuwXVlKo7l8HLcoxFJ4Tll/AxgesPgubErXRC/9xyK6vCNQ==
- logmein-verification-code=8ec493af-4348-4899-86f9-c5d04272fa53
- 0ed1fe018a7dd71ce34f804490967517
- atlassian-domain-verification=JsKwG9ukD0JKypUuDMiJ2dStafFNh3tWwBMzk5pDB92eHaU7tELYxdhlLz253D3P
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