w3schools.com

Valid Email Server
Domain Lookup › w3schools.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
w3schools.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-17 16:08:11 UTC · ↺ Refresh

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MX Hostnames

  • alt2.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • aspmx.l.google.com
  • feedback-smtp.eu-west-1.amazonses.com
  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • feedback-smtp.eu-west-1.amazonses.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

  • 13.248.240.135
  • 76.223.115.82

Mail Server IPs

  • 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
  • 2a00:1450:400c:c23::1a ↩ yubrupd-in-f26.1e100.net
  • 34.243.41.226 ↩ ec2-34-243-41-226.eu-west-1.compute.amazonaws.com
  • 34.250.195.198 ↩ ec2-34-250-195-198.eu-west-1.compute.amazonaws.com
  • 18.200.42.95 ↩ ec2-18-200-42-95.eu-west-1.compute.amazonaws.com
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.111.26 ↩ bk-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1a

SOA Record

Raw SOA ns-769.awsdns-32.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-769.awsdns-32.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-769.awsdns-32.net
ns-1409.awsdns-48.org
ns-1939.awsdns-50.co.uk
ns-314.awsdns-39.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com include:amazonses.com include:spf.sendinblue.com include:shops.shopify.com include:mail.zendesk.com ip4:148.122.215.227 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100; adkim=r; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
google._domainkey
mail._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

7 records
  • amazonses:9O9JMU+QwMbQv3k+hYpAmauno4fuJMUcWephofXN0yc=
  • apple-domain-verification=iGza4rmAk4yMj4vi
  • google-site-verification=9Wi0rp8KXQ3oB2KWvpcLIbwMdqFvyZe8QmOH0YnON4g
  • linkedin-site-verification=d7833fa0-3fe5-49fb-ab0e-f34e3749c6f5
  • SPFv=spf1 include:_spf.google.com include:amazonses.com include:spf.sendinblue.com include:shops.shopify.com include:mail.zendesk.com ip4:148.122.215.227 -all
  • MS=338A1134735F428FF6729DDF746385742F152781
  • Sendinblue-code:c1cb221c990a3b197b84632af64eb12a
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