guidelinegroup.com

Valid Email Server
Domain Lookup › guidelinegroup.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 04:54:54 UTC · ↺ Refresh

MX Hostnames

  • guidelinegroup-com.mail.protection.outlook.com

MX Priorities

  • guidelinegroup-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 51.104.28.78 (no PTR)

Mail Server IPs

  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns27.domaincontrol.com dns.jomax.net 2024031800 28800 7200 604800 600
Primary NS (mname)
ns27.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024031800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns28.domaincontrol.com
ns27.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com Include:_spf.bullhornmail.com include:spf.uk.exclaimer.net include:venndigital.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

5 records
  • ca3-9cdbf25caca247aca1cc6540e7127a18
  • google-site-verification=OxQxO6WMCMAVgJck9xjI6Abk4aLDdio8uyhWzw5X48o
  • MS=ms55028626
  • SPFv=spf1 include:spf.protection.outlook.com Include:_spf.bullhornmail.com include:spf.uk.exclaimer.net include:venndigital.com -all
  • XWT8OOZSY57TUAVXJWKTU3ZMKD9TCZP8RKMXIXZJ
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