grupoarcoiris.com.mx

Valid Email Server
Domain Lookup › grupoarcoiris.com.mx

Domain Overview

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

Checked via [email protected] · 2026-04-01 02:42:07 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • grupoarcoiris-com-mx.mail.protection.outlook.com: 10

A / AAAA Records

  • 217.160.0.54 ↩ 217-160-0-54.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1045.ui-dns.com hostmaster.1und1.com 2017060145 28800 7200 604800 600
Primary NS (mname)
ns1045.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060145
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1045.ui-dns.de
ns1045.ui-dns.org
ns1045.ui-dns.com
ns1045.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

4 records
  • SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com -all
  • MS=B39C5A6B31E30D69F71BA703A4ADB127B0CCE768
  • e3e846ec-2154-4fc6-80c8-e2a7c0662360
  • MS=ms38820041
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