lothianmonoblocks.com

Valid Email Server
Domain Lookup › lothianmonoblocks.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
lothianmonoblocks.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 14:02:21 UTC · ↺ Refresh

MX Hostnames

  • uk-esec-01.heimdalsecurity.com
  • uk-esec-02.heimdalsecurity.com

MX Priorities

  • uk-esec-02.heimdalsecurity.com: 1
  • uk-esec-01.heimdalsecurity.com: 0

A / AAAA Records

  • 185.151.30.123 ↩ 185-151-30-123.ptr4.stackcp.net
  • 2a07:7800::123 (no PTR)

Mail Server IPs

  • 172.166.114.49 ↩ uk-esec-01.heimdalsecurity.com
  • 172.166.114.48 ↩ uk-esec-01.heimdalsecurity.com

SOA Record

Raw SOA ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-esec-uk.heimdalsecurity.com include:spf.stackmail.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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 include:spf-esec-uk.heimdalsecurity.com include:spf.stackmail.com -all
  • _b94rr3zx5krb52k62ethbfe4q279d2p
  • mscid=XTaQJQ7tE/ncaRSvTU4CPUuWk533QIO9ZMRZZ9LsC1rlJBPDQbNwtn8mU6iXycyLq99fui5OcPMhyFBTjG0ikA==
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