Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
citadel-trading.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 18:02:20 UTC · ↺ Refresh
MX Hostnames
- mx14-1.sherwebcloud.com
- mx14-2.sherwebcloud.com
MX Priorities
- mx14-2.sherwebcloud.com: 4
- mx14-1.sherwebcloud.com: 5
A / AAAA Records
- 64.29.151.221 ↩ hostedc40.carrierzone.com
Mail Server IPs
- 207.126.101.115 ↩ mx14-1.sherwebcloud.com
- 207.126.101.114 ↩ mx14-1.sherwebcloud.com
SOA Record
Raw SOA
ns1.aplus.net hostmaster.aplus.net 2022011211 7200 86400 3600000 86400
Primary NS (mname)
ns1.aplus.net
Admin Email (rname)
hostmaster@aplus.net
Serial
2022011211
Refresh
7200s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.aplus.net
ns1.aplus.net
ns3.aplus.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:207.126.101.0/24 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms81243546
- google-site-verification=P9R31tsIwi1UJvY8JwtlS5Ewfy0yuqzjBYezUmiAEq0
- SPFv=spf1 ip4:207.126.101.0/24 -all
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
See demo & docs
Deep verification
Full email verification for citadel-trading.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits