Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
necc.mass.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 21:59:48 UTC · ↺ Refresh
MX Hostnames
- necc-mass-edu.mail.protection.outlook.com
MX Priorities
- necc-mass-edu.mail.protection.outlook.com: 1
A / AAAA Records
- 23.185.0.1 (no PTR)
- 2620:12a:8000::1 (no PTR)
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
a1-104.akam.net hostmaster.necc.mass.edu 945 300 600 1209600 720
Primary NS (mname)
a1-104.akam.net
Admin Email (rname)
hostmaster@necc.mass.edu
Serial
945
Refresh
300s
Retry
600s
Expire
1209600s
Minimum TTL
720s
Nameservers (NS)
a11-66.akam.net
a3-64.akam.net
mailgw2.necc.mass.edu
mailgw1.necc.mass.edu
a24-64.akam.net
a1-104.akam.net
a10-66.akam.net
a14-64.akam.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:167.224.111.68 ip4:134.241.28.90 ip4:134.241.1.131 ip4:129.33.243.30 include:spf2.necc.mass.edu include:_spf.regroupcloud.com include:spf.protection.outlook.com include:_spf.academicworks.com include:_spf.explore-blue.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
11 records- MS=ms66182117
- detectify-verification=d9b26322ec490fbd463fa2852dba00f9
- SPFv=spf1 ip4:167.224.111.68 ip4:134.241.28.90 ip4:134.241.1.131 ip4:129.33.243.30 include:spf2.necc.mass.edu include:_spf.regroupcloud.com include:spf.protection.outlook.com include:_spf.academicworks.com include:_spf.explore-blue.com -all
- apple-domain-verification=qsqY839pbEFx6j5C
- bw=DB9VsMzLL9TM50xEnOUPJB43uY9Kn4o7VRcQ45K9bpEr
- apple-domain-verification=1MByquoQ3Wv36TXX
- R6hE4f1+hDiC9snYP2yZm8CSAKJkUWSdoMF15nLMs3AkgMpyzm418Na8cVO7ykAzxBh37+Nu4hKVtTFdOVupbA==
- atlassian-domain-verification=w8y1jK4cgRSNS9OgHRz86gatG/KX6m8iclhRWjFb3ujGaAQA5jXOBavNesIFy9cg
- adobe-idp-site-verification=7d686b4a4762b2a1cf5150ede322736b282524b4d82d1d67d2454ae7168ca160
- google-gws-recovery-domain-verification=41945737
- asv=c3602496c7d0f5cfc4eed56538e88131
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