Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
gsmorg.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-09 12:00:50 UTC · ↺ Refresh
MX Hostnames
- d301691a.ess.barracudanetworks.com
- d301691b.ess.barracudanetworks.com
- gsmorg-com.mail.protection.outlook.com
MX Priorities
- d301691a.ess.barracudanetworks.com: 5
- d301691b.ess.barracudanetworks.com: 10
- gsmorg-com.mail.protection.outlook.com: 15
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c931::
SOA Record
Raw SOA
adel.ns.cloudflare.com dns.cloudflare.com 2406150426 10000 2400 604800 1800
Primary NS (mname)
adel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2406150426
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
mustafa.ns.cloudflare.com
adel.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.redpoints.com include:spf.ess.barracudanetworks.com include:mail.zendesk.com include:gsmoutdoorshelp.zendesk.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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
8 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.redpoints.com include:spf.ess.barracudanetworks.com include:mail.zendesk.com include:gsmoutdoorshelp.zendesk.com -all
- v=verifydomain MS=4959626
- 5f5iv13ap1q1bg1il2bjf2g99i
- 5oakerqrp7ueis6475njn99lj
- apple-domain-verification=9tnChn9KcC7QsRmv
- atlassian-domain-verification=sE1rlAiszWjqndlwyW5sSReEg9hgli2aOGntUvcWjrjatcZOrNvIUd2IrUDprHiD
- atlassian-sending-domain-verification=8cbfe18c-a310-4973-a1a8-9d2c15f64cd7
- mixpanel-domain-verify=7b8debd2-6c36-46a5-a711-1bbd0e663764
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 gsmorg.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits