Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lbc.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 03:52:43 UTC · ↺ Refresh
MX Hostnames
- fcb9a12f81d5ce4299d0b6c316d61c.mail.outlook.com
- 303000094.mail.outlook.com
- lbc-edu.mail.eo.outlook.com
- lbc-edu.mail.protection.outlook.com
MX Priorities
- lbc-edu.mail.eo.outlook.com: 10
- lbc-edu.mail.protection.outlook.com: 0
- 303000094.mail.outlook.com: 30
- fcb9a12f81d5ce4299d0b6c316d61c.mail.outlook.com: 20
A / AAAA Records
- 34.196.114.201
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.41.183
- 52.101.194.4
- 2a01:111:f403:c902::7
- 2a01:111:f403:c802::
- 2a01:111:f403:f901::
- 2a01:111:f403:c902::14
- 52.101.40.2
- 52.101.11.19
- 40.93.192.4
- 52.101.50.7
- 2a01:111:f403:c91d::
- 2a01:111:f403:f913::1
- 2a01:111:f403:f902::1
- 52.101.194.17
- 52.101.41.26
- 52.101.8.51
- 2a01:111:f403:c927::
- 2a01:111:f403:c931::1
- 2a01:111:f403:f908::
- 2a01:111:f403:c946::2
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009059500 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009059500
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns11.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns10.dnsmadeeasy.com
ns13.dnsmadeeasy.com
ns12.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:email-od.com include:_u.lbc.edu._spf.dmarclf.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- SPFv=spf1 include:spf.protection.outlook.com include:email-od.com include:_u.lbc.edu._spf.dmarclf.com -all
- V01LVM5XJ2ZJDKMVDVRZKJ7MMJ5OMVD0DE21YJKP5
- openai-domain-verification=dv-zSWjdTEr2xqNfNOxGBiXGqtu
- formstack-domain-verification=f4ffaded9ee9767e2fcc846e360be913
- ZOOM_verify_Jc9V-xbJSemyVlhlJX9QTQ
- adobe-idp-site-verification=8e9fd7fc7d67b3865d21980001e4d13b4c90e03a77b5c5a36cb77882a6df526d
- v=msv1 t=fcb9a12f81d5ce4299d0b6c316d61c
- 236465ac-d26f-4679-8e50-eced12ee088a
- google-site-verification=2v1NONhkWgLefOWOtWaYYig7iV6elWOc6Nyuwd16ZxA
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