horizm.com

Valid Email Server

Domain Overview

DNS: ✓ 1h ago Checker: ✓ 1h ago
horizm.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 10:15:16 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 35.214.133.43

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 172.253.157.26 ↩ yubrupd-in-f26.1e100.net
  • 2a00:1450:400c:c23::1a ↩ yubrupd-in-f26.1e100.net
  • 192.178.234.27 ↩ ncsclj-in-f27.1e100.net
  • 2800:3f0:4003:c14::1b (no PTR)

SOA Record

Raw SOA ns-373.awsdns-46.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-373.awsdns-46.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1856.awsdns-40.co.uk
ns-373.awsdns-46.com
ns-952.awsdns-55.net
ns-1084.awsdns-07.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.ipzmarketing.com include:_u.horizm.com._spf.smart.ondmarc.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=80; sp=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=r; fo=d:s:0:1; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
⚠ Policy applies to 80% of failing messages only

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

8 records
  • postman-domain-verification=2ab5727dae02167fb1acc82209196330af6878ed3933cc7f0ad3a1279c672c927faa562ca8af2e49019f1dade8bc528f94153a2b3f233ad74032eea65f1e2a62
  • tiktok-developers-site-verification=ylGwzbvbSWpK6b1pX9PwTsUzUC76saGg
  • SPFv=spf1 include:spf.ipzmarketing.com include:_u.horizm.com._spf.smart.ondmarc.com ~all
  • MS=BE868E0CC27FC73448B8A2C7F334EFC6E00E65AA
  • amazonses:ImYFVGI36LbZxZ3nC7i6EFWwHNDp7RUzJ3q5z+ev818=
  • google-site-verification=AWShSdx2SZzS5nTAf5B5xcOmhxfBsp09Eaxqat-taCQ
  • google-site-verification=VCzUSusBAVU7kltkyQZ2Ax6Ff32vtWi0YJgyLnzPBHk
  • google-site-verification=cjKGRn1dt93k-jSqunkEoZeeWTwTEssFuErSX-uDcxA
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