grstechnologysolutions.com

Valid Email Server

Domain Overview

DNS: ✓ 17h ago Checker: ✓ 17h ago
grstechnologysolutions.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-02 02:30:08 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • grstechnologysolutions-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 162.159.135.42 (no PTR)

Mail Server IPs

  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns09.domaincontrol.com dns.jomax.net 2026050400 28800 7200 604800 600
Primary NS (mname)
ns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026050400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns09.domaincontrol.com
ns10.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:smtp.smileback.com ip4:174.64.50.102 include:spf.protection.outlook.com include:45011484.spf05.hubspotemail.net include:spf.myconnectwise.net include:amazonses.com include:sendgrid.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

10 records
  • SPFv=spf1 include:smtp.smileback.com ip4:174.64.50.102 include:spf.protection.outlook.com include:45011484.spf05.hubspotemail.net include:spf.myconnectwise.net include:amazonses.com include:sendgrid.net -all
  • anthropic-domain-verification-j4x75w=BQO2jSKfWe9bFEDykAJ39hULV
  • v=verifydomain MS=9200120
  • amazonses:2obTyOMIjvhJ6//SLDqYfhlZCjLJzzJgUSXdWBfPkBc=
  • openai-domain-verification=dv-lBZqLdHQPc7uLQTdoQNcmmeY
  • apple-domain-verification=JjDEA73H9zdtEi8k
  • pax8-verification=7e925694-26c0-3f31-99e2-c899426feddd
  • mandrill_verify.uT2o-W-PRES57B6TMeQlJQ
  • logmein-verification-code=54c15088-6b64-464d-9c26-19e1f62e946c
  • google-site-verification=Bv67zDGeFXYFe84r4te8TmEvJWIDp9N8-zVYBg7Nhok
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for grstechnologysolutions.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits