Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cumc.columbia.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 15:12:35 UTC · ↺ Refresh
MX Hostnames
- cumc-columbia-edu.mail.protection.outlook.com
MX Priorities
- cumc-columbia-edu.mail.protection.outlook.com: 5
A / AAAA Records
- 151.101.2.228 (no PTR)
- 151.101.194.228 (no PTR)
- 151.101.130.228
- 151.101.66.228
Mail Server IPs
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.nyp.org domainservices.nyp.org 455318960 10800 3600 2419200 300
Primary NS (mname)
ns1.nyp.org
Admin Email (rname)
domainservices@nyp.org
Serial
455318960
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2.nyp.org
ns1.nyp.org
ext-ns1.columbia.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com a:jamf.cumc.columbia.edu ip4:143.104.3.230 ip4:143.104.3.138 ip4:143.104.3.139 ip4:128.59.72.0/24 ip4:207.10.139.0/24 ip4:148.163.139.74 ip4:148.163.135.74 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
15 records- MS=194BFAC0F5A418C4C8B3367E353D3FEBFD748857
- duo_sso_verification=14XG7P5d4rSEACHyZpEPvaVZh5v9kPtRbd4AKNNTgdrVfjgBtOH4FLJ3xXE8WS8T
- cisco-ci-domain-verification=26ea101398e17aa69f12f77735f28a869f2fc738c986e7ac11aee8cbef8a3bd
- adobe-idp-site-verification=ab985885b3f98a093a81aa4fcfc7f05e82027a44ca33d447d49bb98814c5c844
- apple-domain-verification=M2dZ6fd8hK5FrBaP
- ajuZYuD/HmcuM/VUgCbV6xjYZt4aubcu/Pl4dDvhuD/rfsSpFvWTY0DLh0l3/qzRZJrcdPX5yJ4KIc/7pIsNmQ==
- logmein-verification-code=61329dcb-2d55-473c-b498-e053482439d6
- onetrust-domain-verification=bef4337d47ea41debd087345dfdb1505
- logmein-verification-code=28655a84-1202-468b-b6f2-08f0ec35be53
- google-site-verification=4qNWC4xQn00znaHRCe-SOeIG1M7MRJekVw4ILCgtMjY
- vosaic-verification=VcBdIf5PDsf3coZ
- atlassian-domain-verification=b0HMVQLkb2vwMIDTVOlnpuVHKBO5uGUcpmXZmbohycknGXWsxbGTCMa2TiHVEkB8
- SPFv=spf1 include:spf.protection.outlook.com a:jamf.cumc.columbia.edu ip4:143.104.3.230 ip4:143.104.3.138 ip4:143.104.3.139 ip4:128.59.72.0/24 ip4:207.10.139.0/24 ip4:148.163.139.74 ip4:148.163.135.74 ~all
- jamf-site-verification=X-R3XyJqzjPbPAhwO1sQRQ
- box-domain-verification=c7e93554101dc1367999c4f82e4cf3abd89f2d11a437c85988092ffb956983a0
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