Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grandislandpt.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 02:56:24 UTC · ↺ Refresh
MX Hostnames
- smtp1-msp.securence.com
- smtp1-mke.securence.com
MX Priorities
- smtp1-mke.securence.com: 10
- smtp1-msp.securence.com: 10
A / AAAA Records
- 172.67.170.17 (no PTR)
- 104.21.47.25 (no PTR)
- 2606:4700:3036::6815:2f19 (no PTR)
- 2606:4700:3031::ac43:aa11 (no PTR)
Mail Server IPs
- 216.17.3.48 ↩ smtp1.msp.securence.com
SOA Record
Raw SOA
chan.ns.cloudflare.com dns.cloudflare.com 2397070707 10000 2400 604800 1800
Primary NS (mname)
chan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397070707
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
chan.ns.cloudflare.com
clark.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:199.36.116.209 include:spf.zixsmbhosted.com include:spf.securence.com include:spf.protection.outlook.com include:edgepilot.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- a92e9651-5b7e-4220-94fb-4aac9ec776b9
- SPFv=spf1 ip4:199.36.116.209 include:spf.zixsmbhosted.com include:spf.securence.com include:spf.protection.outlook.com include:edgepilot.com ~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 grandislandpt.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits