uglyduckmarketing.com

Valid Email Server
Domain Lookup › uglyduckmarketing.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
uglyduckmarketing.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 17:54:43 UTC · ↺ Refresh

MX Hostnames

  • aspmx3.googlemail.com
  • aspmx.l.google.com
  • aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

  • aspmx3.googlemail.com: 10
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 0
  • aspmx.l.google.com: 1

A / AAAA Records

  • 104.21.19.179 (no PTR)
  • 172.67.187.11 (no PTR)
  • 2606:4700:3032::ac43:bb0b (no PTR)
  • 2606:4700:3034::6815:13b3 (no PTR)

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 64.233.180.27 ↩ pe-in-f27.1e100.net
  • 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net

SOA Record

Raw SOA brenda.ns.cloudflare.com dns.cloudflare.com 2397974114 10000 2400 604800 1800
Primary NS (mname)
brenda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397974114
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

brenda.ns.cloudflare.com
david.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a mx include:_spf.google.com include:spf.protection.outlook.com include:u3449388.wl139.sendgrid.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • slack-domain-verification=pPUJ3phZ0Rqk2KkVnpYmxha5P1DJFvNiVWlkKXGh
  • SPFv=spf1 a mx include:_spf.google.com include:spf.protection.outlook.com include:u3449388.wl139.sendgrid.net -all
  • google-site-verification=yQLrAtC9XhvyJNvi3wjtfhgUm8PXSHYV6qLuiyPqFzI
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 uglyduckmarketing.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits