Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
deltagroup.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 06:00:52 UTC · ↺ Refresh
MX Hostnames
- cloud16.spamtitan.com
- cloud15.spamtitan.com
MX Priorities
- cloud16.spamtitan.com: 0
- cloud15.spamtitan.com: 0
A / AAAA Records
- 199.255.84.136 (no PTR)
Mail Server IPs
- 18.188.207.172 ↩ cloud15.spamtitan.com
- 18.216.101.235 ↩ cloud15.spamtitan.com
- 18.190.56.214 ↩ cloud15.spamtitan.com
SOA Record
Raw SOA
ns1.deltagroup.com root.ns1.deltagroup.com 976558043 10800 3600 432000 38400
Primary NS (mname)
ns1.deltagroup.com
Admin Email (rname)
root@ns1.deltagroup.com
Serial
976558043
Refresh
10800s
Retry
3600s
Expire
432000s
Minimum TTL
38400s
Nameservers (NS)
ns1.deltagroup.com
pns72.cloudns.com
pns73.cloudns.net
pns71.cloudns.net
pns74.cloudns.uk
ns2.deltagroup.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:69.212.176.0/21 ip4:198.167.185.192/27 ip4:199.255.84.0/24 include:spf.protection.outlook.com include:spf.dynect.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- apple-domain-verification=v4TldenGmIl6YrIU
- google-site-verification=y4sdIkPip9ObK4JBXq59gIFgxSkjzUldjnTjeldGa5E
- google-site-verification=fWLODgph4YGgq3B0DMJUj0XJopFLcsYGYT3rDLjKAi4
- google-site-verification=9xKDToZy_MMbOqwXuqqHEPK6wjxAcX87m8-hWpYWh08
- twilio-domain-verification=6d5eafc5bac5842b807b7e1e1c0d0aab
- SPFv=spf1 ip4:69.212.176.0/21 ip4:198.167.185.192/27 ip4:199.255.84.0/24 include:spf.protection.outlook.com include:spf.dynect.net -all
- od4cbjg10g2b430qgkeebt5qgd
- google-gws-recovery-domain-verification=47668592
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 deltagroup.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits