Domain Overview
DNS: ✓ 13d ago
Checker: ✓ 13d ago
jdgc.dev
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-31 01:04:33 UTC · ↺ Refresh
MX Hostnames
- mx2.improvmx.com
- mail.protonmail.ch
- mailsec.protonmail.ch
- mx1.improvmx.com
MX Priorities
- mail.protonmail.ch: 10
- mailsec.protonmail.ch: 20
- mx1.improvmx.com: 30
- mx2.improvmx.com: 30
A / AAAA Records
- 18.173.132.60
- 18.173.132.2
- 18.173.132.56
- 18.173.132.108
- 2600:9000:247b:800:11:ada2:3900:93a1
- 2600:9000:247b:2600:11:ada2:3900:93a1
- 2600:9000:247b:a600:11:ada2:3900:93a1
- 2600:9000:247b:8e00:11:ada2:3900:93a1
- 2600:9000:247b:7a00:11:ada2:3900:93a1
- 2600:9000:247b:6e00:11:ada2:3900:93a1
- 2600:9000:247b:3200:11:ada2:3900:93a1
- 2600:9000:247b:a800:11:ada2:3900:93a1
Mail Server IPs
- 176.119.200.128 ↩ mail.protonmail.ch
- 185.70.42.128 ↩ mail.protonmail.ch
- 185.205.70.128 ↩ mail.protonmail.ch
- 185.205.70.129 ↩ mailsec.protonmail.ch
- 185.70.42.129 ↩ mailsec.protonmail.ch
- 176.119.200.129 ↩ mailsec.protonmail.ch
- 35.181.18.45 ↩ ec2-35-181-18-45.eu-west-3.compute.amazonaws.com
- 13.37.195.136 ↩ ec2-13-37-195-136.eu-west-3.compute.amazonaws.com
- 15.236.236.160 ↩ ec2-15-236-236-160.eu-west-3.compute.amazonaws.com
- 2a05:d012:412:e203:373a:f51a:4a85:1d25 (no PTR)
- 2a05:d012:412:e202:f36:2c1f:1a49:d38a
- 2a05:d012:412:e201:88aa:e7b9:7a43:12d7
- 13.36.222.39
- 13.36.107.63
- 15.236.61.92
- 2a05:d012:412:e203:7e33:3d9c:28d7:ee20
- 2a05:d012:412:e202:e81e:cc44:3b53:8a3d
- 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678
SOA Record
Raw SOA
ns-550.awsdns-04.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-550.awsdns-04.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-550.awsdns-04.net
ns-102.awsdns-12.com
ns-1142.awsdns-14.org
ns-1747.awsdns-26.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.protonmail.ch mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 include:_spf.protonmail.ch mx ~all
- protonmail-verification=670a824a369788c031cbaeb2de40b8f21eb2d94c
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 jdgc.dev
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits