Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
richardson.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 10:31:24 UTC · ↺ Refresh
MX Hostnames
- richardson-com.mail.protection.outlook.com
MX Priorities
- richardson-com.mail.protection.outlook.com: 0
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1462.awsdns-54.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1462.awsdns-54.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-399.awsdns-49.com
ns-710.awsdns-24.net
ns-1462.awsdns-54.org
ns-2018.awsdns-60.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.qualtrics.com include:spf.mandrillapp.com include:aspmx.pardot.com include:4808822.spf05.hubspotemail.net include:mail.zendesk.com ip4:62.13.128.0/19 ip4:72.52.72.32/28
📊 DNS lookups: 6/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
18 records- spycloud-domain-verification=e108da35-42ea-4cbf-b189-274066a16b60
- knowbe4-site-verification=1de3ac128d89b36433c7b018865f464a
- include:_spf.psm.knowbe4.com -all
- MS=ms56385798
- google-gws-recovery-domain-verification=67780238
- slack-domain-verification=qSiBMBszmLCDo9qpVyOFBrVoLMweYsGZqg7G8kHg
- 7691C2AFD2docusign=9406c306-b078-4a88-897f-74dcfe85eda0
- cisco-ci-domain-verification=120bc466b1db415abc0a792c202926c80545b61a1178e3161ef2776ef32ee6d7
- as=1642613916
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.qualtrics.com include:spf.mandrillapp.com include:aspmx.pardot.com include:4808822.spf05.hubspotemail.net include:mail.zendesk.com ip4:62.13.128.0/19 ip4:72.52.72.32/28
- google-site-verification=LwljGH9VIFM-6ZZNs0EZOa2De-JvT66aZHucbhXx3V8
- MS=ms69627345
- pardot68
- pardot912921=8ac37592070a0718ca8ab8ef6378769aa92c258a2ff895fa25f849d280acf64c
- pardot912921=daa3ad4c8e6b1017bf7cf3eca07082a64cd85eb7f425c7f60661be290b671bd8
- include:4808822.spf05.hubspotemail.net
- pardot912921=3d5f60f5dcbb72949941f1ba9a864431699f8f1e940a8980d36b5a6e3fe2ca7e
- apple-domain-verification=W2tQ6QzLax1ED0uE
Full email verification for richardson.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits