underdog.co.uk

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
underdog.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-01 22:03:44 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • underdog-co-uk.mail.protection.outlook.com: 10

A / AAAA Records

  • 45.60.123.37 (no PTR)
  • 45.60.129.37 (no PTR)

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com

SOA Record

Raw SOA ns-444.awsdns-55.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-444.awsdns-55.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-444.awsdns-55.com
ns-952.awsdns-55.net
ns-1145.awsdns-15.org
ns-1988.awsdns-56.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net include:mailgun.org ip4:195.224.117.12 -all
📊 DNS lookups: 3/10
✓ 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

✗ 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
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net include:mailgun.org ip4:195.224.117.12 -all
  • MS=ms24793174
  • globalsign-domain-verification=77128CEEA66A98E082F36BFCA3CDF413
  • google-site-verification=fQKZj_X1inl8syOEnlIeDp9BjXgt2a4nClbEWq7Fl5k
  • ppe-2b43c4aa0a0080a9b915
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