rrsimmons.com

Valid Email Server
Domain Lookup › rrsimmons.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rrsimmons.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 11:04:18 UTC · ↺ Refresh

MX Hostnames

  • rrsimmons-com.mail.protection.outlook.com

MX Priorities

  • rrsimmons-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 208.91.197.27 (no PTR)

Mail Server IPs

  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns73.worldnic.com namehost.worldnic.com 126031305 10800 3600 604800 3600
Primary NS (mname)
ns73.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031305
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns74.worldnic.com
ns73.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:47.207.3.216 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

3 records
  • SPFv=spf1 include:spf.protection.outlook.com ip4:47.207.3.216 -all
  • MS=ms13127770
  • google-site-verification=7KNM3GsIkZXeaq3qoJC9rrvhYOzSi-NLEZ8y4eiBFMc
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