Domain Overview
DNS: ✓ just now
Checker: ✓ just now
colingardner.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-01 20:17:43 UTC · ↺ Refresh
MX Hostnames
- mx2.simplelogin.co
- mx1.simplelogin.co
MX Priorities
- mx2.simplelogin.co: 20
- mx1.simplelogin.co: 10
A / AAAA Records
- 104.21.19.14 (no PTR)
- 172.67.184.113 (no PTR)
- 2606:4700:3036::ac43:b871 (no PTR)
- 2606:4700:3037::6815:130e (no PTR)
Mail Server IPs
- 185.205.70.136 ↩ mx1.simplelogin.co
- 176.119.200.136 ↩ mx1.simplelogin.co
SOA Record
Raw SOA
giancarlo.ns.cloudflare.com dns.cloudflare.com 2405067811 10000 2400 604800 1800
Primary NS (mname)
giancarlo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405067811
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
giancarlo.ns.cloudflare.com
vita.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:simplelogin.co -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:simplelogin.co -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 · Customize →
See demo & docs
Deep verification
Full email verification for colingardner.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits