russellsimpson.co.uk

Valid Email Server
Domain Lookup › russellsimpson.co.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
russellsimpson.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 15:04:30 UTC · ↺ Refresh

MX Hostnames

  • russellsimpson-co-uk.mail.protection.outlook.com

MX Priorities

  • russellsimpson-co-uk.mail.protection.outlook.com: 1

A / AAAA Records

  • 3.171.117.73 ↩ server-3-171-117-73.jfk50.r.cloudfront.net
  • 3.171.117.127 ↩ server-3-171-117-127.jfk50.r.cloudfront.net
  • 3.171.117.10
  • 3.171.117.107
  • 2600:9000:28af:f400:4:c9b:5ec0:93a1
  • 2600:9000:28af:ae00:4:c9b:5ec0:93a1
  • 2600:9000:28af:e200:4:c9b:5ec0:93a1
  • 2600:9000:28af:7c00:4:c9b:5ec0:93a1
  • 2600:9000:28af:b000:4:c9b:5ec0:93a1
  • 2600:9000:28af:2c00:4:c9b:5ec0:93a1
  • 2600:9000:28af:6800:4:c9b:5ec0:93a1
  • 2600:9000:28af:1000:4:c9b:5ec0:93a1

Mail Server IPs

  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1122.awsdns-12.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1122.awsdns-12.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1122.awsdns-12.org
ns-1600.awsdns-08.co.uk
ns-430.awsdns-53.com
ns-603.awsdns-11.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.brandingserver.net include:25748581.spf07.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; ri=84600;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

5 records
  • Y65hSUPTGXNvLupUfnFh+n15IYSp1ihDOB2OflT2aTYb5XZHclYwLns2OO7NOLO+ozE7QxhYoFZhryRWiI10og==
  • google-site-verification=zNHl9QomISRzLXb-Gck7i8iyiUfXSj2mvg8cQUF30UI
  • ms=ms57866833
  • sbXybya
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.brandingserver.net include:25748581.spf07.hubspotemail.net -all
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