Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
happycog.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 07:22:50 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 104.26.6.203
- 172.67.72.228
- 104.26.7.203
- 2606:4700:20::681a:6cb
- 2606:4700:20::681a:7cb
- 2606:4700:20::ac43:48e4
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.179.26 ↩ pd-in-f26.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
noah.ns.cloudflare.com dns.cloudflare.com 2399526438 10000 2400 604800 1800
Primary NS (mname)
noah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399526438
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
noah.ns.cloudflare.com
val.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:servers.mcsv.net include:amazonses.com include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
16 records- anthropic-domain-verification-sb66rp=8eg7nCkR7M35MrUMk2Zpsophn
- atlassian-domain-verification=P8GL1Xb/kAJiDfQ0oUhSjnWC0Ru3IKtbEZxYJbK42c0xBHLp4yOPOlkuZnALwbZ1
- cursor-domain-verification-871xjg=meVesLqSzEHw6wHyp3pIZ0Mz6
- ZOOM_verify_4MdpbCCOQMaLIdvUMwAodw
- google-site-verification=6CWXaYYD7EU-44GUnfSFO6sy5dWc5s6OtOC4eK7RGLM
- apple-domain-verification=w6YihX5TeSrOHfbV
- SPFv=spf1 include:servers.mcsv.net include:amazonses.com include:_spf.google.com ~all
- stripe-verification=86f541fb272d12daa1567472260c2a61fd212f9d856e99e913082cb599456e6e
- jamf-site-verification=n4A6zUPEWlukBQoDHWgrRQ
- apple-domain-verification=XNe1SNwOMg3v3mkD5xCzgaTTySVMyWBG_wQ8vW2AYbE
- twilio-domain-verification=1889195ddd7db41d640dd9833b7116bc
- cloudflare_dashboard_sso=035587c22a3e69ec6c38e26b5d568177
- openai-domain-verification=dv-KFw7n8VjdShttqgDN8suNJnK
- jetbrains-domain-verification=2m926ax0i6x5oc2wyxl3jp7kf
- slack-domain-verification=C2OVq7zI90hafvXW714f30wNUGRcHmaDd7yemoJ0
- zapier-domain-verification-challenge=9d4939d1-bea6-49a0-8799-a49e172ec7d6
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 happycog.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits