building.it

Valid Email Server
Domain Lookup › building.it

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
building.it
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 07:53:09 UTC · ↺ Refresh

MX Hostnames

  • d223525.b.ess.uk.barracudanetworks.com
  • d223525.a.ess.uk.barracudanetworks.com
  • building-it.mail.protection.outlook.com

MX Priorities

  • building-it.mail.protection.outlook.com: 30
  • d223525.b.ess.uk.barracudanetworks.com: 20
  • d223525.a.ess.uk.barracudanetworks.com: 10

A / AAAA Records

  • 178.255.72.84

Mail Server IPs

  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 18.133.136.186 ↩ mail.ess.uk.barracuda.com
  • 18.133.136.188 ↩ mail.ess.uk.barracuda.com
  • 18.133.136.187

SOA Record

Raw SOA ns1.openprovider.nl dns.openprovider.eu 2025111801 10800 3600 604800 3600
Primary NS (mname)
ns1.openprovider.nl
Admin Email (rname)
dns@openprovider.eu
Serial
2025111801
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.openprovider.be
ns3.openprovider.eu
ns1.openprovider.nl

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:178.255.72.84 include:spf.protection.outlook.com include:spf.ess.uk.barracudanetworks.com include:spf.ess.barracudanetworks.com include:spf.ess.de.barracudanetworks.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

4 records
  • 9i4u58s223kafjdrehsc5hilnr
  • MS=ms69312817
  • openai-domain-verification=dv-0xtMFqc5t7HKMyZCXMwhiIDM
  • SPFv=spf1 ip4:178.255.72.84 include:spf.protection.outlook.com include:spf.ess.uk.barracudanetworks.com include:spf.ess.barracudanetworks.com include:spf.ess.de.barracudanetworks.com ~all
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