keystoneadvisers.uk

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
keystoneadvisers.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 10:51:51 UTC · ↺ Refresh

MX Hostnames

  • keystoneadvisers-uk.mail.protection.outlook.com

MX Priorities

  • keystoneadvisers-uk.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.193.69 (no PTR)
  • 104.21.20.176 (no PTR)
  • 2606:4700:3035::6815:14b0
  • 2606:4700:3037::ac43:c145

Mail Server IPs

  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA carl.ns.cloudflare.com dns.cloudflare.com 2397286308 10000 2400 604800 1800
Primary NS (mname)
carl.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397286308
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

carl.ns.cloudflare.com
zara.ns.cloudflare.com

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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