lunes.io

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
lunes.io
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 03:01:23 UTC · ↺ Refresh

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MX Hostnames

  • mx364.umbler.com
  • mx128.umbler.in
  • mx783.umbler.com.br
  • mx240.umbler.co.uk

MX Priorities

  • mx783.umbler.com.br: 30
  • mx240.umbler.co.uk: 40
  • mx364.umbler.com: 10
  • mx128.umbler.in: 20

A / AAAA Records

  • 172.67.184.87 (no PTR)
  • 104.21.36.33 (no PTR)
  • 2606:4700:3036::6815:2421 (no PTR)
  • 2606:4700:3031::ac43:b857 (no PTR)

Mail Server IPs

  • 177.55.120.53 ↩ mx.umbler.com
  • 177.55.120.51 ↩ mx.umbler.com
  • 187.84.237.180 ↩ mx.umbler.com
  • 187.84.237.189 ↩ mx.umbler.com

SOA Record

Raw SOA amir.ns.cloudflare.com dns.cloudflare.com 2399928710 10000 2400 604800 1800
Primary NS (mname)
amir.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399928710
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

amir.ns.cloudflare.com
kristin.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.umbler.com ~all
📊 DNS lookups: 1/10
~ 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

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

3 records
  • dns_cloudflare_api_token=0123456789abcdef0123456789abcdef01234567
  • SPFv=spf1 include:spf.umbler.com ~all
  • brevo-code:0b92b4e3027aff77a428d9bda566f1cd
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