coastline.edu

Valid Email Server
Domain Lookup › coastline.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coastline.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 05:41:59 UTC · ↺ Refresh

MX Hostnames

  • mx0b-003bd502.pphosted.com
  • mx0a-003bd502.pphosted.com

MX Priorities

  • mx0a-003bd502.pphosted.com: 10
  • mx0b-003bd502.pphosted.com: 10

A / AAAA Records

  • 20.228.114.202 (no PTR)

Mail Server IPs

  • 148.163.145.139 ↩ mx0a-003bd502.pphosted.com
  • 148.163.141.139 ↩ mx0b-003bd502.pphosted.com

SOA Record

Raw SOA ns1-06.azure-dns.com hostmaster.cccd.edu 2024101600 3600 900 604800 14400
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
hostmaster@cccd.edu
Serial
2024101600
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
14400s

Nameservers (NS)

ns4-06.azure-dns.info
ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf-003bd502.pphosted.com include:servers.mcsv.net include:spf.elluciancloud.com include:6780401.spf05.hubspotemail.net ip4:107.20.210.250 ip4:52.1.14.157 include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

15 records
  • XVubJ5locbiycGtkqEnimEHs6YnHkokiVBWThre7Ytiw8Ppi7Gf/QoCiFKrm2rMnGf/9qcUe2o+x0EtSDysz5A==
  • adobe-idp-site-verification=84342ca5-3d81-4a2d-a2ca-49c5fed42b21
  • 0ed1fe018a34584050a73f4603a12c4d
  • knowbe4-site-verification=495173e9fc761f4fb381767e3e2fadd8
  • SPFv=spf1 include:spf-003bd502.pphosted.com include:servers.mcsv.net include:spf.elluciancloud.com include:6780401.spf05.hubspotemail.net ip4:107.20.210.250 ip4:52.1.14.157 include:spf.protection.outlook.com -all
  • atlassian-domain-verification=jSCz1HVU3spR4cx1sCw8UUyS8yEdofSJseA7uDlFSULYUL6FPUMVJMbz2LdXV0VL
  • apple-domain-verification=pfzHS8uwXsSaHKoN
  • ZOOM_verify_cW4mHm7qRaewjOhTHhj6sQ
  • atlassian-domain-verification=oOTuBKDkTgF5/WO89LQTXEay8Jiw9D597UnqIB2IK9xnTIG9BaTMCnkGxmFPpmb/
  • atlassian-sending-domain-verification=8db99e85-c9d4-4646-af07-ba536c348a3c
  • google-site-verification=H43GCvRyacjOVc3GfTKRVYWyJP3oylVnj8u0Iz8Goh0
  • 104.40.34.163
  • google-site-verification=IaeNsho9jWOww38X6Xdh3SDBSi-WGSmO4J_d6eDR0ec
  • MS=ms58896774
  • sg.technolutions.net
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