zertior.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
zertior.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 07:08:39 UTC · ↺ Refresh

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MX Hostnames

  • smtp.zertior.com
  • mx2.acens.net
  • zertior-com.mail.protection.outlook.com

MX Priorities

  • smtp.zertior.com: 10
  • mx2.acens.net: 20
  • zertior-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 91.99.79.215

Mail Server IPs

  • 217.116.0.227 ↩ relaysin.dominioabsoluto.net
  • 217.116.0.162 ↩ rs-0-162.acens.net
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:c967::a ↩ mail-cpjpr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::a ↩ mail-maspr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dondominio.com dnsadmin.dondominio.com 2026070537 10800 1800 691200 3600
Primary NS (mname)
ns1.dondominio.com
Admin Email (rname)
dnsadmin@dondominio.com
Serial
2026070537
Refresh
10800s
Retry
1800s
Expire
691200s
Minimum TTL
3600s

Nameservers (NS)

ns2.dondominio.com
ns1.dondominio.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

3 records
  • MS=ms64832195
  • google-site-verification=PHriqboxG9XkwY_gPq_HSirvXR9TiUcStZwv7M8sI4A
  • SPFv=spf1 include:spf.protection.outlook.com -all
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