Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lakemichigancollege.edu
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 21:55:39 UTC · ↺ Refresh
MX Hostnames
- d222248b.ess.barracudanetworks.com
- d222248a.ess.barracudanetworks.com
MX Priorities
- d222248a.ess.barracudanetworks.com: 5
- d222248b.ess.barracudanetworks.com: 10
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:12a:8000::3 (no PTR)
- 2620:12a:8001::3 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns-1044.awsdns-02.org awsdns-hostmaster.amazon.com 2020042801 7200 900 1209600 86400
Primary NS (mname)
ns-1044.awsdns-02.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2020042801
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-555.awsdns-05.net
ns-1044.awsdns-02.org
ns-1908.awsdns-46.co.uk
ns-354.awsdns-44.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:lakemichigancollege.edu._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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
7 records- apple-domain-verification=vtVaJDq7jRteL1ml
- atlassian-domain-verification=9a9hDF7BFRDexUTCoUa/RJHBEIY9ax0MCiphc5M2/h7haAS0BB8zD9xJKfEagXcV
- benq-domain-verification=eyJpdiI6ImlEeG1ZM2lKcExXemVzVFk1RUVyUEE9PSIsInZhbHVlIjoibXd5VmQ1bkFHT0FiSUNIZ1Y2cVA5ajZLR24xalc3cmpLUEFPYnBHQUkycz0iLCJtYWMiOiJiNzc1ZDI1MzE5OTRmMjI4ZWQwZTZiN2I4ZmUyNmRmNmYyMzA0ZTAxYzgyNTE2ODc2ZDZjOTI4NmViMzZlYmQ3IiwidGFnIjoiIn0=
- jamf-site-verification=CGy6q-bc2rTLWNnOJtEdbA
- SPFv=spf1 include:lakemichigancollege.edu._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- BPL=4551701
- HmByttulTWGUP6kDR0ESOMe6+BkbxQMFJTPdH3LHW1C+IKsC2JALnE4gPCawnsHGdbnVkKYW/zLfzbeOpLYRKw==
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