Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cambridgecollege.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 07:26:13 UTC · ↺ Refresh
MX Hostnames
- cambridgecollege-edu.mail.protection.outlook.com
MX Priorities
- cambridgecollege-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 107.21.104.61 ↩ ec2-107-21-104-61.compute-1.amazonaws.com
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1697.awsdns-20.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1697.awsdns-20.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1697.awsdns-20.co.uk
ns-441.awsdns-55.com
ns-624.awsdns-14.net
ns-1187.awsdns-20.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:35.162.60.147 ip4:184.75.192.206 ip4:4.78.167.0/24 ip4:209.10.16.209 include:spf01.cambridgecollege.edu ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=0:1:s; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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- SPFv=spf1 include:spf.protection.outlook.com ip4:35.162.60.147 ip4:184.75.192.206 ip4:4.78.167.0/24 ip4:209.10.16.209 include:spf01.cambridgecollege.edu ~all
- 3cv96ufqhli9hjd91gkf5s54c8
- PLYGoOT+apkwmyAujbeoI5eWVgTteJ0F+VUFBGTo1WPN431Gj4CBUEdcb4MmNqqZKxUt5DRYD9UnNuROXd2Gtw==
- adobe-idp-site-verification=6d2cfe4ec576c16fa5e45f3f41549352df1771df50eb34f403f4d0d1d259835c
- apple-domain-verification=HyKwB8bBBvm0cDFy
- apple-domain-verification=PSuGhOrlLCsyZYbi
- facebook-domain-verification=09ht5y53h0s3boogzgaqg7a2vf5sm5
- google-site-verification=arf1XaqT10iNyrO1ZuWUlBFtr7ZRPoZzo4dG042KcbY
- google-site-verification=eSX0cmVrC6vPfBFbUn1AP75ovU5lWMYcLYTQ1vJLI3o
- google-site-verification=km8zwhBHATIx782WYu2F9TR3xNQVHtq2zajHQfA8aM8
- k/xA2GcfyYMzpCWzWWK2Ngq7XgkeDpRutDrnXgu7QOtO5sz0LuO13+tqz4aHxkz0Wp0AwpU1kjgYmrVGNbGGSA==
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