Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colum.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 04:07:46 UTC · ↺ Refresh
MX Hostnames
- colum-edu.mail.protection.outlook.com
MX Priorities
- colum-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 216.146.221.38 ↩ blogs.colum.edu.pairsite.com
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2016061249 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2016061249
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns3.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns0.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:199.168.239.33 ip4:199.168.238.100 ip4:199.168.236.6 ip4:147.154.114.30 ip4:138.1.32.22 ip4:192.29.100.108 ip4:147.154.103.124 ip4:192.29.100.157 ip4:147.154.118.190 ip4:138.1.123.26 ip4:138.1.127.67 ip4:63.143.57.204/31 ip4:66.240.227.76/31 include:servers.mcsv.net include:spf.protection.outlook.com include:verifymyfafsa.com include:everbridge.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- SPFv=spf1 mx a ip4:199.168.239.33 ip4:199.168.238.100 ip4:199.168.236.6 ip4:147.154.114.30 ip4:138.1.32.22 ip4:192.29.100.108 ip4:147.154.103.124 ip4:192.29.100.157 ip4:147.154.118.190 ip4:138.1.123.26 ip4:138.1.127.67 ip4:63.143.57.204/31 ip4:66.240.227.76/31 include:servers.mcsv.net include:spf.protection.outlook.com include:verifymyfafsa.com include:everbridge.net ~all
- MS=ms95371918
- apple-domain-verification=FZWUVLCpIilOisfc
- ugtjdu7e1daene6m5ghl82koi4
- ebjpqh98kbmul3nq9hne2e2a5b
- adobe-idp-site-verification=19f93aab09d9f352a0f6fab31215ec70dc41107b9c6b42e599a0462ade8ce2cb
- google-site-verification=84uAgsZYwGkeEiMhcAmB3TBx6P7eXp8CNt8Y4kWKVHg
- v=msv1 t=A2EEDB8A-C958-487E-9968-7012714F2406
- yJ3krjfRwBmHMZAMYnnmUDmVSRMXRPBc4QH0fsRks4phGcRXFKfwAXNuGXLaftOxwIZMT1ZSQ8t2w6IkQeD7nQ==
- duo_sso_verification=JBrbqYLbTKggLLE6lTxrZ9cISjSS5zlZerbUNNZD053VuE3kvQKpvHE9dIdN9tuk
Full email verification for colum.edu
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