Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
suffolk.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 23:16:44 UTC · ↺ Refresh
MX Hostnames
- suffolk-edu.mail.protection.outlook.com
MX Priorities
- suffolk-edu.mail.protection.outlook.com: 5
A / AAAA Records
- 67.214.138.13 ↩ cl138-013.invision.com
Mail Server IPs
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dnsauth1.suffolk.edu nsg.suffolk.edu 2010123508 10800 3600 2419200 900
Primary NS (mname)
dnsauth1.suffolk.edu
Admin Email (rname)
nsg@suffolk.edu
Serial
2010123508
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
auth2.dns.cogentco.com
auth1.dns.cogentco.com
dnsauth1.suffolk.edu
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.138.214.101 include:spf.protection.outlook.com include:app.sgizmo.com include:us-spf.email.litmos.com include:zcsend.net -all
📊 DNS lookups: 4/10
✓ 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
8 records- atlassian-domain-verification=XHg2v28KipOYPCthPGabaje5w7uVnbAS0dv1aSRwxQWyZawvccJ/AxGPnsXK4oop
- SPFv=spf1 ip4:192.138.214.101 include:spf.protection.outlook.com include:app.sgizmo.com include:us-spf.email.litmos.com include:zcsend.net -all
- wdr4CJgkpw95osss2L4Jhe01ICmLjHTnZ7DQplMzpgkuTC/0sVkoCsYVHnxBkrahZwGfYAlOnJH615kXQA31Wg==
- adobe-idp-site-verification=1661077ad84ba3c1cc937ce9d8864a4bd255b704971b57d8011c0669525bafdb
- MS=ms32471914
- eZNtxmbMWNDf1JyLj3MWwusJQWv3gHRlCkeuls7BsDB9A3b8AYdSmDO0xQZA3l5HTQd6k+oWz4jLIWA69do1DA==
- d365mktkey=D0YMbtN8za70RFuveXxL6SW1Vfx7MEiSEHiZ3FJma14x
- d365mktkey=4WTzUk0x4n4MioiMyMtqKS6c7hZtJw35OZW3QxQygpsx
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