Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
deltaconcrete.com
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-30 19:20:12 UTC ยท โบ Refresh
MX Hostnames
- smtp1-mke.securence.com
- smtp1-msp.securence.com
MX Priorities
- smtp1-msp.securence.com: 0
- smtp1-mke.securence.com: 10
A / AAAA Records
- 18.218.83.113 โฉ apex.nsgroupllc.com
Mail Server IPs
- 216.17.3.48 โฉ smtp1.msp.securence.com
SOA Record
Raw SOA
jimmy.ns.cloudflare.com dns.cloudflare.com 2397737473 10000 2400 604800 1800
Primary NS (mname)
jimmy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397737473
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sky.ns.cloudflare.com
jimmy.ns.cloudflare.com
SPF Record
โ Strict (-all)
v=spf1 a mx include:spf.securence.com include:spf.protection.outlook.com include:spf.nsgroupllc.com ip4:74.94.228.120/29 -all
๐ DNS lookups: 5/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx include:spf.securence.com include:spf.protection.outlook.com include:spf.nsgroupllc.com ip4:74.94.228.120/29 -all
- MS=ms27039272
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for deltaconcrete.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits