gupy.io

Valid Email Server
Domain Lookup › gupy.io

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gupy.io
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 00:11:58 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

  • mx783.umbler.com.br
  • mx128.umbler.in
  • mx240.umbler.co.uk
  • mx364.umbler.com

MX Priorities

  • mx783.umbler.com.br: 30
  • mx240.umbler.co.uk: 40
  • mx364.umbler.com: 10
  • mx128.umbler.in: 20

A / AAAA Records

  • 13.32.241.66 ↩ server-13-32-241-66.jfk50.r.cloudfront.net
  • 13.32.241.76 ↩ server-13-32-241-76.jfk50.r.cloudfront.net
  • 13.32.241.90 ↩ server-13-32-241-90.jfk50.r.cloudfront.net
  • 13.32.241.17 ↩ server-13-32-241-17.jfk50.r.cloudfront.net
  • 2600:9000:2032:2c00:10:cab0:c00:93a1 (no PTR)
  • 2600:9000:2032:1c00:10:cab0:c00:93a1 (no PTR)
  • 2600:9000:2032:a000:10:cab0:c00:93a1
  • 2600:9000:2032:c000:10:cab0:c00:93a1
  • 2600:9000:2032:7c00:10:cab0:c00:93a1
  • 2600:9000:2032:9a00:10:cab0:c00:93a1
  • 2600:9000:2032:c600:10:cab0:c00:93a1
  • 2600:9000:2032:8800:10:cab0:c00:93a1

Mail Server IPs

  • 177.55.120.51 ↩ mx.umbler.com
  • 187.84.237.180 ↩ mx.umbler.com
  • 187.84.237.189 ↩ mx.umbler.com
  • 177.55.120.53 ↩ mx.umbler.com

SOA Record

Raw SOA karsyn.ns.cloudflare.com dns.cloudflare.com 2400054059 10000 2400 604800 1800
Primary NS (mname)
karsyn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400054059
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lars.ns.cloudflare.com
karsyn.ns.cloudflare.com

SPF Record

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

DMARC Record

✗ Missing
v=DMARC1; p=quarentine; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google

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

All TXT Records

9 records
  • google-site-verification=vPIuW64NFL9aWf_Y1vYbr5qPyfBFB65prhgF7aacnDM
  • privacytools-domain-verification=bd4e2b3f1f3e7fad2762498550b13a35ac929f0a66d959b0ff96f9bf048ed7c4
  • SPFv=spf1 include:spf.umbler.com -all
  • 1password-site-verification=76HVG2F5KRCBVOJXSXUAKXGJ5M
  • ca3-0e40b8abb8a64f4f88e998f0fa8cf0b2
  • facebook-domain-verification=urlcld2dyhvnhvxq3gzacqu38ikdf9
  • google-site-verification=W5jRp4pGAXyeus94lFetnt1Hk5GWIfJL_-Syan58e20
  • google-site-verification=ZjhFcFqhGuxRJrrjBjNMDfyQIHdl1xII3bOGOtNp5dU
  • google-site-verification=oBdfkLra6pmoEdeAfqIAoYOWpMy9dvz-9eluCy8WIPA
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 gupy.io

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

No credit card required
Get 1,000 Free Credits