bluevalley.ed.cr

Valid Email Server
Domain Lookup › bluevalley.ed.cr

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bluevalley.ed.cr
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 06:06:57 UTC · ↺ Refresh

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MX Hostnames

  • smtp.google.com
  • mx-02-eu-west-1.prod.hydra.sophos.com
  • mx-01-eu-west-1.prod.hydra.sophos.com

MX Priorities

  • mx-01-eu-west-1.prod.hydra.sophos.com: 10
  • mx-02-eu-west-1.prod.hydra.sophos.com: 20
  • smtp.google.com: 0

A / AAAA Records

  • 35.179.227.71
  • 18.135.119.149
  • 13.135.183.132

Mail Server IPs

  • 34.248.96.114 ↩ ec2-34-248-96-114.eu-west-1.compute.amazonaws.com
  • 52.17.155.28 ↩ ec2-52-17-155-28.eu-west-1.compute.amazonaws.com
  • 54.76.166.245 ↩ ec2-54-76-166-245.eu-west-1.compute.amazonaws.com
  • 142.250.31.27 ↩ bj-in-f27.1e100.net
  • 142.251.111.27 ↩ bk-in-f27.1e100.net
  • 142.251.111.26 ↩ bk-in-f26.1e100.net
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 142.251.16.27 ↩ bl-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
  • 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1b
  • 2607:f8b0:4004:c19::1a

SOA Record

Raw SOA ns-1290.awsdns-33.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1290.awsdns-33.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1823.awsdns-35.co.uk
ns-347.awsdns-43.com
ns-739.awsdns-28.net
ns-1290.awsdns-33.org

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
google._domainkey
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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

6 records
  • apple-domain-verification=JPcuojL4lVG0j9wY
  • d365mktkey=vkMuy8aKsBno0RnJXWSWA0FSPuxYZ4KePFn4MTU2oRox
  • sophos-domain-verification=d47e5fb0af996ffbd8e05b869844a262d49ee60b
  • SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com -all
  • work-accounts-domain-verification=Et78rgVn2RSkHgyfnS7maVbBVcKmQu
  • MS=ms11302908
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