yellowsquare.it

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
yellowsquare.it
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 06:31:13 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 3.120.195.173 ↩ ec2-3-120-195-173.eu-central-1.compute.amazonaws.com

Mail Server IPs

  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net

SOA Record

Raw SOA ns-1166.awsdns-17.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1166.awsdns-17.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-92.awsdns-11.com
ns-1166.awsdns-17.org
ns-1859.awsdns-40.co.uk
ns-646.awsdns-16.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:mailgun.org include:_spf.google.com include:_028af38f8425c35fa58ba9f93938f15d.spf.dnssmarthost.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=r; aspf=r; pct=8; fo=0; rf=afrf; ri=86400; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 8% of failing messages only

DKIM Selectors

✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

5 records
  • google-site-verification=a9KfzlguvMRoLW-HVHy8JH2KQihTz2aNiu_py2hvJvE
  • linkedin-site-verification=dd9c4aed-9dc8-446a-a18a-d3d46a2712cb
  • SPFv=spf1 include:mailgun.org include:_spf.google.com include:_028af38f8425c35fa58ba9f93938f15d.spf.dnssmarthost.net ~all
  • asv=90f7eb2b54a2f0eb19423c522967f193
  • google-site-verification=IKkFG6CDdm4__A8JRDut_BoRNJyAo41Ctlb-NzsNEZA
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