Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colby.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 22:00:26 UTC · ↺ Refresh
MX Hostnames
- mxb-0088f501.gslb.pphosted.com
- mxa-0088f501.gslb.pphosted.com
MX Priorities
- mxa-0088f501.gslb.pphosted.com: 0
- mxb-0088f501.gslb.pphosted.com: 0
A / AAAA Records
- 137.146.24.72 ↩ museum.colby.edu
Mail Server IPs
- 67.231.144.31 ↩ mx0a-0088f501.pphosted.com
- 67.231.152.79 ↩ mx0b-0088f501.pphosted.com
SOA Record
Raw SOA
ns14.colby.edu name-master.colby.edu 2019031747 10800 3600 1209600 600
Primary NS (mname)
ns14.colby.edu
Admin Email (rname)
name-master@colby.edu
Serial
2019031747
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns0036.secondary.cloudflare.com
ns0210.secondary.cloudflare.com
ns0004.secondary.cloudflare.com
ns0209.secondary.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_s69287787.fdmarc.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;sp=reject;rua=mailto:[email protected],mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=3600;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- status-page-domain-verification=7ngz1cvw4zvf
- SPFv=spf1 include:_s69287787.fdmarc.net ~all
- MS=0DE56432CF3E34060131F1C2F214F98E5A0448A0
- adobe-idp-site-verification=7d28e2a4-5a78-43d9-92bf-a890687e8f89
- apple-domain-verification=PlPX65r9PA8HOF37
- asv=eaa032f72846cb307c3aaecf92d66f6e
- atlassian-domain-verification=CjaaHRfEAtav2dgpp8xM0c7I9xAFm86QaKC0KJmD2BftbaIuGyWS6KX6f6sFAbq0
- atlassian-domain-verification=k1EJRpt9ni21/VUVZ2cdJedXHZ5jBtddLXZgEwbm7aol/WbWBPUIuobyaLU06a/e
- google-site-verification=VTB_Ekob0EuddNWqSBLLUpMVNOUBwT4gUGu6jQRCTSA
- google-site-verification=mmKDfm---j2_EBtuXcTW0Gy43jfRypwF2NwQrfcyFGs
- google-site-verification=vQX6BCoQ4JCrlbeWmXFPxkJ-2UtL5NHu0UGeLhEib40
- jamf-site-verification=eQNCMKiNbiE5LqgVixuqEA
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