codepen.io

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
codepen.io
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 05:51:15 UTC · ↺ Refresh

MX Hostnames

  • aspmx2.googlemail.com
  • aspmx3.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 104.16.147.32 (no PTR)
  • 104.16.163.32
  • 2606:4700::6810:9320
  • 2606:4700::6810:a320

Mail Server IPs

  • 142.250.31.27 ↩ bj-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA albert.ns.cloudflare.com dns.cloudflare.com 2399287351 10000 2400 604800 1800
Primary NS (mname)
albert.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399287351
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kristin.ns.cloudflare.com
albert.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:s43465759.fdmarc.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected],mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=3600;fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

2 records
  • google-site-verification=ee6yZSYLRMH7NdG8DSox4-fH0btH7GdMbMyY7zHenxY
  • SPFv=spf1 include:s43465759.fdmarc.net ~all
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