ulb.be

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ulb.be
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-27 19:59:23 UTC · ↺ Refresh

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MX Hostnames

  • ulb-be.mail.protection.outlook.com

MX Priorities

  • ulb-be.mail.protection.outlook.com: 0

A / AAAA Records

  • 164.15.242.30 ↩ *.ksproda6k.ulb.be

Mail Server IPs

  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.ulb.be resulb.ulb.ac.be 35306 10800 3600 604800 300
Primary NS (mname)
ns1.ulb.be
Admin Email (rname)
resulb@ulb.ac.be
Serial
35306
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.ulb.ac.be
ns1.ulb.be
ns1.ulb.ac.be
ns2.ulb.be

SPF Record

✓ Strict (-all)
v=spf1 ip4:164.15.72.253 ip4:109.109.202.25 include:spf.protection.outlook.com include:amazonses.com include:spf-eu.exlibrisgroup.com include:servers.etarget-emailing.com include:25168807.spf01.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=reject;rua=mailto:[email protected];ruf=mailto:[email protected];rf=afrf;pct=100;ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

18 records
  • MS=ms83593679
  • SPFv=spf1 ip4:164.15.72.253 ip4:109.109.202.25 include:spf.protection.outlook.com include:amazonses.com include:spf-eu.exlibrisgroup.com include:servers.etarget-emailing.com include:25168807.spf01.hubspotemail.net -all
  • druide-validation-domaine=bbb2e5385605b56cc70951b9f61b112d
  • work-accounts-domain-verification=v4JL2M9dtzkCMd48vIDHQaJ1d4NhxC
  • HARICA-wsluGdta3vOq70Bpasx
  • google-site-verification=hfcFQGj6kTHEOa4C5vRX-DWvXebEmTvmufZmDudSd_k
  • brevo-code:91810f4b5e72385ca81ea093d3c7f53f
  • z6nphg60xz5r7qjkxdph826vfvg3f985
  • HARICA-wt4iQuHvgkmZpnJ7gAK
  • brevo-code:b1414e0a234265a2faa294058248ae06
  • sendinblue-code:b0a0844f581f3b6067b4b293e028c3b9
  • brevo-code:f21a06cd41810a30fc6a7917a17b9a0e
  • google-site-verification=AsBUfojgi7ORnI8joM4DwnkOZDAPBxKj65u2RcZIK0s
  • brevo-code:e056adff02575bd8914df99f7ccb52f9
  • HARICA-3wmYhsUvUv3iXw0sj8J
  • D4SHHxmeR3C6+tJPd1HxUcNGDOl6wvGqMYohL9f0dFpPvzxyu/rPR4qJCIJqrkpy70+Wuj6Oe5uqE6+T6Io8wg==
  • amazonses:TnLaCcpyKs0Jq8PsLK66/NjYIb2UOYivrewlD92OqZU=
  • brevo-code:5679c50f66ebb144072857fd9e86b184
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