Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
productschool.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 06:09:50 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt1.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
- 216.150.1.1
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.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-x1b.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
elinore.ns.cloudflare.com dns.cloudflare.com 2399490494 10000 2400 604800 1800
Primary NS (mname)
elinore.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399490494
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
vick.ns.cloudflare.com
elinore.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:docebosaas.com include:mail.zendesk.com include:mktomail.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._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
12 records- google-site-verification=oiuhAiXKohiEwoNCu6OhOZWxiwFOvoKbriEuWpLuUe8
- stripe-verification=f4b2b0bfd514de9b1ce7e00b1a08b477b736f98c7f4654de86a8d4416d54370f
- DMARCv=DMARC1; p=none; rua=mailto:[email protected]
- DMARCv=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];fo=1
- SPFv=spf1 include:_spf.google.com include:docebosaas.com include:mail.zendesk.com include:mktomail.com ~all
- 02oaavayqurqnsbw7g49
- apple-domain-verification=cmUcLNzJhDWKReGE
- atlassian-domain-verification=TYDIKUBSJA9loFWbiLyAC0nrmVQHpWIvSNQ4Ivz8TYQJCZOgFnei0ub6aN3R7TRa
- facebook-domain-verification=delssxg0dh37okp94bgsy3fasjoc70
- google-site-verification=-ooowts_AmIdio1YltsiL-xSyImgbMOAvzWL0sunxug
- google-site-verification=9kSNXoCoOjHaf6lrL8GDYUir-WceeVa82TzvtR3v-Sg
- google-site-verification=Wi3s-1cDvGjTQk2CxwUso0K-HreVS1azZR-6NqgkO40
Full email verification for productschool.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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