glasscoltd.com

Valid Email Server
Domain Lookup › glasscoltd.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
glasscoltd.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 08:23:13 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

  • glasscoltd-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 185.158.133.1 ↩ lovable-app-cd-1-4.p.l5e.io

Mail Server IPs

  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com

SOA Record

Raw SOA jean.ns.cloudflare.com dns.cloudflare.com 2404045289 10000 2400 604800 1800
Primary NS (mname)
jean.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404045289
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

tanner.ns.cloudflare.com
jean.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

✗ Missing

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

DKIM Selectors

✓ 2 found
google._domainkey
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

6 records
  • ca3-71a8cb31087b4b2cb683bbdf897792b6
  • google-site-verification=6tTalLzrBXBO4Gy9700TAbpg2QTKzGYEuZ_Ls69jle8
  • google-site-verification=70R-knOkyILNIs4ZWvN69PKx_yXQ6Yq_XhM292SdVFg
  • google-site-verification=VOqHIydJdLu7SQcHmzGFJqtdhFXcHtRaqmB5Ez8ME_w
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms68849438
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 glasscoltd.com

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

No credit card required
Get 1,000 Free Credits