firehow.co.uk

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-26 13:28:09 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • firehow-co-uk.mail.protection.outlook.com: 0

A / AAAA Records

  • 116.202.181.135 ↩ static.135.181.202.116.clients.your-server.de

Mail Server IPs

  • 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
  • 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1035.ui-dns.biz hostmaster.1und1.com 2017060111 28800 7200 604800 600
Primary NS (mname)
ns1035.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060111
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1114.ui-dns.org
ns1035.ui-dns.biz
ns1045.ui-dns.com
ns1043.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.uk.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • k=rsa;p=MIGfMAOGCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCapll16fCNOWJVL1iSQxgA9bhY+iM4jbtOFN5xSOECCW8SX+0L196TkKUDOldqbl4WQMakO3JkSLQLYvSvvMgBHcl3ZyUng5x/AwKYZOekmHfgjCXDEgiDnSE8RjnVFYLw4xfCe0z9nQOUWjdgM2pZW1PSo1sXRyMCQpfs/glajwiIDAQAB
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.uk.barracudanetworks.com -all
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