Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
concordia-satx.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 14:04:36 UTC · ↺ Refresh
MX Hostnames
- aspmx3.googlemail.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- aspmx2.googlemail.com
- alt2.aspmx.l.google.com
MX Priorities
- aspmx2.googlemail.com: 40
- aspmx3.googlemail.com: 50
- aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 30
- alt1.aspmx.l.google.com: 20
A / AAAA Records
- 3.132.101.216 ↩ ec2-3-132-101-216.us-east-2.compute.amazonaws.com
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
SOA Record
Raw SOA
ns41.domaincontrol.com dns.jomax.net 2025061401 28800 7200 604800 3600
Primary NS (mname)
ns41.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025061401
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns42.domaincontrol.com
ns41.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.renweb.com include:_spf.google.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
k1._domainkey
✓ Public key: 392 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
4 records- apple-domain-verification=SCC4g5Mc7RSp61jy
- adobe-idp-site-verification=944f76625f4a06272d2fb6a3bbe77a0bba7c5c3e2d3c2c2c80335c7acab8c19b
- SPFv=spf1 include:spf.renweb.com include:_spf.google.com ~all
- google-site-verification=5P-tYmKs_1ZYFJ7OEObgDs3R3xsW0LRSzPFh9ME0MZw
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 concordia-satx.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits