rfsmart.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rfsmart.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 03:05:35 UTC · ↺ Refresh

MX Hostnames

  • rfsmart-com.mail.protection.outlook.com

MX Priorities

  • rfsmart-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 199.60.103.61 (no PTR)

Mail Server IPs

  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns-329.awsdns-41.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-329.awsdns-41.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-329.awsdns-41.com
ns-847.awsdns-41.net
ns-1396.awsdns-46.org
ns-2019.awsdns-60.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:107.23.96.140 include:spf.protection.outlook.com include:4114160.spf10.hubspotemail.net include:amazonses.com include:spf.openair.com include:spf.openair1.com include:_spf.atlassian.net include:_spf.ultipro.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

22 records
  • site24x7-signals-domain-verification=f723e9e99e5686873f86f1e684d5071f
  • apple-domain-verification=2lOSn5Ky2BG9mryx
  • SPFv=spf1 mx ip4:107.23.96.140 include:spf.protection.outlook.com include:4114160.spf10.hubspotemail.net include:amazonses.com include:spf.openair.com include:spf.openair1.com include:_spf.atlassian.net include:_spf.ultipro.com ~all
  • anthropic-domain-verification-g7pyyt=Rqa5nVLGFrsegf8ZNRVuIAxUJ
  • atlassian-domain-verification=RvIKBqoEkwhEXPK67x58Wh8FP1jGCPn04bxdHSGeddvqQ1giokUnSnS3cFFgPgHt
  • atlassian-sending-domain-verification=6f3f523a-6905-4367-9ce6-068b3a4ad111
  • google-site-verification=fI4u4BDTG43k35IMh2-lTBgM2xGaN6zknO9L1E1HSKM
  • _et98kyusgxlhxhlom8lenzzs642mc2x
  • cursor-domain-verification-5rper4=ZWoRydPnVquP1jyHJvylcmbdE
  • google-site-verification=ibWIC_W9gom43Uzs0VsyAWw3ThlnYiBivlF1_dZmZB0
  • _ylx847grt84yo7mvh9wgg97w1n73dm5
  • _78ers6susairy8neba3tuuefw6n577f
  • YA6uZ1uxtpgQK4+JMHh1qAq4aCH1cKXj6JPbOUMRjZ3g3bOFM33YY28vSkJCXhnXg2Xhe1tH8SDm1X+RDaUfBQ==
  • docusign=6842828c-af3f-45df-a50d-687b0e39d7dd
  • google-site-verification=2SkCEHVaMa3Dzebke15PDJ4QE6D8ITsWCgoyJHp2Vbg
  • smartsheet-site-validation=X5_pv6CNPG-3rh7xwEve4wCNsjRZsXwN
  • amazonses:ol57fWC/OTEroTDFimlpRnF76GwyPoQLVQeVbwfSImA=
  • MS=ms22669332
  • google-site-verification=AIzaSyA9AicSJpKAT-CW-UUxuQL4kYn_57U6ugM
  • atlassian-domain-verification=raAaB3T/yZIZ8cV72/C5B/hvBMgZhPkrYeyaZVj6A1yQOgy8Ht1zxmBatxtipNrj
  • gamma-domain-verification-6b9hqy=MkCnYxH0uFkAYdKwlbyf9b2yc
  • bw=7LKvdwMarKVJyqbGGNN3xGPo9ouzEOVkbzSRa/Ak2Uxl
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