petromayab.com.mx

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
petromayab.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 10:54:40 UTC · ↺ Refresh

MX Hostnames

  • petromayab-com-mx.mail.protection.outlook.com

MX Priorities

  • petromayab-com-mx.mail.protection.outlook.com: 0

A / AAAA Records

  • 74.208.236.93 ↩ 74-208-236-93.elastic-ssl.ui-r.com
  • 2607:f1c0:100f:f000::2d0 ↩ 2607-f1c0-100f-f000-0000-0000-0000-02d0.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com

SOA Record

Raw SOA ns-mx.1and1-dns.biz hostmaster.1und1.com 2017060114 28800 7200 604800 600
Primary NS (mname)
ns-mx.1and1-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060114
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns-mx.1and1-dns.biz
ns-mx.1and1-dns.com
ns-mx.1and1-dns.mx
ns-mx.1and1-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.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

✗ 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

5 records
  • 04d29b0a43f6ef1502b358ef6a48c9
  • fortinet-fortiphish-site-verification=eoVeeLGrHvzWVQvS6biJY5
  • MS=5BC7EAC05B7EE2B9D40A4B9722046ACD93F34E12
  • cisco-ci-domain-verification=718834d831f79a0b6e7127dc3ad77c358598b99723f79b763433210df27d140b
  • SPFv=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
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