Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caspercollege.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 18:46:06 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx.l.google.com
- aspmx3.googlemail.com
- alt1.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- aspmx3.googlemail.com: 30
- aspmx2.googlemail.com: 30
- aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 20
- alt2.aspmx.l.google.com: 20
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:12a:8000::3 (no PTR)
- 2620:12a:8001::3
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
- 2607:f8b0:4020:c07::1a ↩ lcyulk-in-f26.1e100.net
- 172.217.197.26 ↩ qa-in-f26.1e100.net
- 2607:f8b0:400d:c03::1b ↩ qu-in-x1b.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
echo1.caspercollege.edu justinpederson.caspercollege.edu 643 28800 3600 604800 86400
Primary NS (mname)
echo1.caspercollege.edu
Admin Email (rname)
justinpederson@caspercollege.edu
Serial
643
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
echo1.caspercollege.edu
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.watermarkinsights.com include:_spf.psm.knowbe4.com include:mx.collegenet.com ip4:137.84.64.0/24 ip4:184.106.13.89 ip4:216.17.93.137 ip4:216.69.109.5 ip4:216.69.103.84 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected], mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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
9 records- MS=ms71394603
- SPFv=spf1 include:_spf.google.com include:spf.watermarkinsights.com include:_spf.psm.knowbe4.com include:mx.collegenet.com ip4:137.84.64.0/24 ip4:184.106.13.89 ip4:216.17.93.137 ip4:216.69.109.5 ip4:216.69.103.84 -all
- apple-domain-verification=rAs4zMDt9i3LptHz
- duo_sso_verification=mmeAeEJOzMz2YPgTg0mEwBe2T0VYdyVYVlanJYZBL0bCqAXAlztqHq5nFVotM3yM
- sophos-domain-verification=04caedf887701f37745aa18f7d8aad8f95f50458ca0298a2183c8f4623f068a7
- atlassian-domain-verification=ljIIVMdDQIKxpJVjgGFdZ21KhK/O3fK5MMFavCxvdgjm7oCnjxULRyxQKfLIDDfQ
- adobe-idp-site-verification=8e7324f93df78b1308a7ab26af515df9968970bf3fda817f436ede29d7ce1537
- bw=EVAkM7AjqGnAVNFOJFLhaxa8aCt1efm17Pine1ReZ15J
- jamf-site-verification=q_9_sZlLC8qlDY0SDlSi4A
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