Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kaplan.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 03:20:19 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 52.162.238.127
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
ns-1710.awsdns-21.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1710.awsdns-21.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-448.awsdns-56.com
ns-565.awsdns-06.net
ns-1252.awsdns-28.org
ns-1710.awsdns-21.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:_u.kaplan.edu._spf.smart.ondmarc.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=1; sp=reject; fo=1; ri=43200; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
⚠ Policy applies to 1% of failing messages only
DKIM Selectors
✓ 3 found
google._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
17 records- mixpanel-domain-verify=137525be-652c-42e2-a7ae-cb02cfa226dc
- sending_domain504051=ee2be816ddddf5c9db616a1a16afec3a50dfa63664aeb3a78433bd3c590a9e32
- MS=ms53168176
- google-site-verification=4cObpATAFAIo-VUu6Pr_AcCyAp43TdXCd_-u-7iBMsk
- _kadaa57wk3olreeqfxsg89au4ref784
- ReleaseWLIDNamespace=true
- google-site-verification=j2uSS63hKFpMYKGrc8FYvf5KM90bBqrzj-9_GtbUYQ0
- google-site-verification=nKRDOukxVZ30MQIsRb3eT72bx9JgE6OKS9-hqfIXNSc
- smartsheet-site-validation=m1P0q9Bnw6oL8OvOq3lXeGsDI9FirMLt
- docusign=2c9f7efc-8a02-4484-afb2-021b59763303
- _us82jqiwer6h6q0gmrz8vzulm1zkoet
- atlassian-domain-verification=RtXv6uaEMMbRyleHa5jMbQmiUCVy0CxH4Qf3lF/s3fImwTlXN0Cda4AoqkamJwM2
- docusign=ca544efe-3e5e-4c69-8c1a-935cc84f5eb6
- Dynatrace-site-verification=83662c85-e2e1-4c5f-9e7e-2a17ea221205__dq5n9p20o3qv5be2ka93geommb
- 5055-AF1A-CDEA-74DA-686D-C18D-FFA4-D19E
- SPFv=spf1 include:_u.kaplan.edu._spf.smart.ondmarc.com -all
- onetrust-domain-verification=cce982e721e84df0bbfa882c1ab05d76
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