jsr-strategies.com

Valid Email Server
Domain Lookup › jsr-strategies.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jsr-strategies.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 02:01:04 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 162.159.135.42

Mail Server IPs

  • 142.251.179.26 ↩ pd-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA ns-1566.awsdns-03.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1566.awsdns-03.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1566.awsdns-03.co.uk
ns-473.awsdns-59.com
ns-959.awsdns-55.net
ns-1197.awsdns-21.org

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:35.209.181.42 include:_spf.mailspamprotection.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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

6 records
  • google-site-verification=elTtDAnjdP4vdP7NTn4Fq5ek27nbP7KDn8gcElAyv3Q
  • google-site-verification=rlNpnMR5u5gW4XhCRQnX287RZXXzzmppTPA3W0qNyHc
  • SPFv=spf1 +a +mx +ip4:35.209.181.42 include:_spf.mailspamprotection.com ~all
  • SPFv=spf1 include:_spf.google.com ~all
  • 1password-site-verification=JP3WFVB2T5FHPEDLD4HYHQPWBY
  • ca3-3d4d184b0d154948a3eab1f7af00e3a5
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