sthelens.k12.or.us

Valid Email Server
Domain Lookup › sthelens.k12.or.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sthelens.k12.or.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 06:00:04 UTC · ↺ Refresh

MX Hostnames

  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com

MX Priorities

  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1

A / AAAA Records

  • 104.17.71.73 (no PTR)

Mail Server IPs

  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net

SOA Record

Raw SOA ns-345.awsdns-43.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-345.awsdns-43.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1342.awsdns-39.org
ns-1753.awsdns-27.co.uk
ns-345.awsdns-43.com
ns-621.awsdns-13.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:52.206.191.226 include:_spf.google.com include:aspmx.googlemail.com include:_spf.cascadetech.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

7 records
  • Foxit-domain-verification=0604e301c6a67e86ad173e7b48acbcf6
  • adobe-idp-site-verification=b1a98ce91aeb003ab790e6cf941b39b4aa9a180e6a1024db59d3a3a9bbc9be6e
  • apple-domain-verification=hP5FDUyu2lJDtJx6
  • duo_sso_verification=TejGtFYscndofyN9dk480WyvsO5udijLMVC9bMl3iLSlyoUXvsHVGR9SmrfqxCJy
  • google-site-verification=3zdEFZvv-FqAcTE13uc8rmLFYBDPVlHRUwY6Xcost2g
  • ujrke76m3a4n74iep5hajlkrco
  • SPFv=spf1 ip4:52.206.191.226 include:_spf.google.com include:aspmx.googlemail.com include:_spf.cascadetech.org -all
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