Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
simplon.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 20:33:41 UTC · ↺ Refresh
MX Hostnames
- ALT1.ASPMX.L.GOOGLE.COM
- ASPMX.L.GOOGLE.COM
- ASPMX3.GOOGLEMAIL.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ASPMX2.GOOGLEMAIL.COM
MX Priorities
- alt1.aspmx.l.google.com: 5
- aspmx3.googlemail.com: 10
- aspmx.l.google.com: 1
- aspmx2.googlemail.com: 10
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 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
- 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
SOA Record
Raw SOA
ns1.gandi.net hostmaster.gandi.net 1773878400 10800 3600 604800 10800
Primary NS (mname)
ns1.gandi.net
Admin Email (rname)
hostmaster@gandi.net
Serial
1773878400
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns-51-c.gandi.net
ns-87-b.gandi.net
ns-178-a.gandi.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:2902314.spf06.hubspotemail.net include:spf.mandrillapp.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
14 records- www=e7b6b03f79a1a3dee84f12ac85b8abb1
- ref-digital=7966905e07fc74e8021d597852ef27d3
- hubspot-domain-verification=ODA2NGYyZWUtOGU5Ny00NDg5LWIzZWUtYmM2MDUwOGVlNDNh
- 00D5J000000EO37=1TBSb00000007r8
- brevo-code:b5aa195e86a6ce6625966f3b4abdb71e
- @=c4d7d70637f254cf3b5054bdc5cbc756
- apple-domain-verification=8dsf2o1d3klzDUB5
- MS=64719F66A1BB4A81E44C69B32F1C57611AEDAE84
- google-site-verification=JEfWq48ynH-OqMQOgcNhMiYjzwF4A_GeqsWNy5TLJag
- google-site-verification=zeph94RXT2GHmQKB4NfXH7S_wLOLc2G07b4qtewTPx8
- hubspot-domain-verification=Y2NlOTQ1NjYtZTU2MS00MmU5LTk3ZTgtZTExMzczYmU2YjMw
- SPFv=spf1 include:_spf.google.com include:2902314.spf06.hubspotemail.net include:spf.mandrillapp.com ~all
- facebook-domain-verification=accinmpua3qlckmo1jpqwu5iq7vzqe
- MS=ms44820016
Full email verification for simplon.co
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits