sii-group.co

Valid Email Server

Domain Overview

DNS: ✓ 22h ago Checker: ✓ 22h ago
sii-group.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 21:24:11 UTC · ↺ Refresh

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MX Hostnames

  • siigroup-co0i.mail.protection.outlook.com

MX Priorities

  • siigroup-co0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.166.195 (no PTR)
  • 104.21.83.11 (no PTR)
  • 2606:4700:3035::6815:530b
  • 2606:4700:3032::ac43:a6c3

Mail Server IPs

  • 52.101.164.0 ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
  • 52.101.166.2 ↩ mail-paup264cu00202.inbound.protection.outlook.com
  • 52.101.166.1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
  • 52.101.166.0 ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca1e:: ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca25::1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
  • 2a01:111:f403:ca25:: ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca25::2 ↩ mail-paup264cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA selah.ns.cloudflare.com dns.cloudflare.com 2404942796 10000 2400 604800 1800
Primary NS (mname)
selah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404942796
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

todd.ns.cloudflare.com
selah.ns.cloudflare.com

SPF Record

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

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=5; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 5% of failing messages only

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=ms40793023
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=49558D4B6C1A456C7912A75FB595C60A9F501695
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