coupled.com.br

Valid Email Server
Domain Lookup › coupled.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coupled.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 00:05:32 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 18.238.55.78
  • 18.238.55.93
  • 18.238.55.101
  • 18.238.55.18
  • 2600:9000:211c:8400:b:a7dc:ec80:93a1
  • 2600:9000:211c:c800:b:a7dc:ec80:93a1
  • 2600:9000:211c:c600:b:a7dc:ec80:93a1
  • 2600:9000:211c:9e00:b:a7dc:ec80:93a1
  • 2600:9000:211c:b200:b:a7dc:ec80:93a1
  • 2600:9000:211c:e000:b:a7dc:ec80:93a1
  • 2600:9000:211c:2a00:b:a7dc:ec80:93a1
  • 2600:9000:211c:8e00:b:a7dc:ec80:93a1

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.167.26 ↩ ww-in-f26.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net

SOA Record

Raw SOA isla.ns.cloudflare.com dns.cloudflare.com 2397499274 10000 2400 604800 1800
Primary NS (mname)
isla.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397499274
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

isla.ns.cloudflare.com
trey.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

4 records
  • google-site-verification=Ff-4Qt6WRp1bS5_vadY4MFiGgqj3vEUvboihpNSW9g4
  • google-site-verification=aJPuopPCUBr4j63BqzvhYXyzhPEmPrWjmXQm8D0L94c
  • SPFv=spf1 include:_spf.google.com -all
  • google-gws-recovery-domain-verification=39767406
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