penguin.academy

Valid Email Server
Domain Lookup › penguin.academy
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
penguin.academy
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 01:47:17 UTC · ↺ Refresh

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MX Hostnames

  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • i27ebascjqs3wluq4lepp7i7m5ltvc3uog3abmxxlkrdn3csgama.mx-verification.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • i27ebascjqs3wluq4lepp7i7m5ltvc3uog3abmxxlkrdn3csgama.mx-verification.google.com: 15

A / AAAA Records

  • 172.66.2.12

Mail Server IPs

  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.251.167.26 ↩ ww-in-f26.1e100.net
  • 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 172.253.157.26 ↩ yubrupd-in-f26.1e100.net
  • 2a00:1450:400c:c23::1b ↩ yubrupd-in-f27.1e100.net

SOA Record

Raw SOA grace.ns.cloudflare.com dns.cloudflare.com 2415491191 10000 2400 604800 1800
Primary NS (mname)
grace.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415491191
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

grace.ns.cloudflare.com
karl.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.mailjet.com include:transmail.net include:_spf.google.com include:sendgrid.net include:emsd1.com ?all
📊 DNS lookups: 5/10
? Neutral (?all) — no enforcement

DMARC Record

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

DKIM Selectors

✓ 1 found
google._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

5 records
  • facebook-domain-verification=tu8qdl0y0orndog6kzdbv37gt5kz09
  • google-site-verification=HVzTHauvf-6hh40z-j96ZRippgtu5cTvW_y--hZxlC8
  • google-site-verification=K7L6VP5N7zZ3_m885SvROb1HYAoQLDhQR28n0juJGyc
  • SPFv=spf1 include:spf.mailjet.com include:transmail.net include:_spf.google.com include:sendgrid.net include:emsd1.com ?all
  • zoho-verification=zb77176927.zmverify.zoho.com
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