Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mccarter.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 02:35:59 UTC · ↺ Refresh
MX Hostnames
- mccarter-org.mail.protection.outlook.com
MX Priorities
- mccarter-org.mail.protection.outlook.com: 0
A / AAAA Records
- 198.49.23.144 (no PTR)
- 198.185.159.145 (no PTR)
- 198.49.23.145
- 198.185.159.144
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
iblox-external.princeton.edu helpdesk.princeton.edu 54 10800 3600 2419200 900
Primary NS (mname)
iblox-external.princeton.edu
Admin Email (rname)
helpdesk@princeton.edu
Serial
54
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
a20-65.akam.net
a7-65.akam.net
a1-158.akam.net
ns5.dnsmadeeasy.com
a3-67.akam.net
ns6.dnsmadeeasy.com
a24-66.akam.net
ns7.dnsmadeeasy.com
a6-64.akam.net
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:140.180.220.25 include:em1441.artsvision.net include:spf.mandrillapp.com include:spf.protection.outlook.com include:rp.oracleemaildelivery.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 mx a ip4:140.180.220.25 include:em1441.artsvision.net include:spf.mandrillapp.com include:spf.protection.outlook.com include:rp.oracleemaildelivery.com -all
Full email verification for mccarter.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits