Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mercadobitcoin.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 03:50:24 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
- 104.17.24.105
- 104.17.25.105
- 2606:4700::6811:1969
- 2606:4700::6811:1869
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.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::1a (no PTR)
SOA Record
Raw SOA
cortney.ns.cloudflare.com dns.cloudflare.com 2399339941 10000 2400 604800 1800
Primary NS (mname)
cortney.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399339941
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cortney.ns.cloudflare.com
dean.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf.google.com include:amazonses.com include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.goskope.com include:8541319.spf05.hubspotemail.net ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
19 records- SPFv=spf1 mx include:_spf.google.com include:amazonses.com include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.goskope.com include:8541319.spf05.hubspotemail.net ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 -all
- _globalsign-domain-verification=zKVbQI48jSMel_2W3Yg5-TF2qgmzlTPu_MPteHvu9C
- google-site-verification=qCdvOE2xYmSsESIBYgv6iboX5FHc7oLutrRfZcLBf00
- _globalsign-domain-verification=yjclcBLWvLdx_QR7gZy70smGRvdFUYaV5txaY5Ay9f
- apple-domain-verification=cLsSvXGtljvMHmqB
- google-site-verification=W6Wgqndgmpq0Qoae7M2Vpd0w7q26sGzolt0DHiPcPW4
- avmuglppg7vdctnqj2nh5e9s2e
- openai-domain-verification=dv-viCdC4YWHE9YuAUJdpSAPffT
- miro-verification=7194cd72153081aa56b2a3d0691493fb597e5480
- _globalsign-domain-verification=noomzpE0yBumL3o0gGqDb_mqHqf1t1vb2Jq6jMPP0F
- google-site-verification=VLAwN4sE4Llxy4oXBjZcOljG-h9pfTYOAgw48S8_xlM
- atlassian-domain-verification=v8QItNRWD5FqAUDbSepubuqcQt2ExB/R9MXO5q6K93VPGVHNfI32EBNmaQ1BnZvP
- google-site-verification=tlMCAApBVykreEcJwgx4v7tW7CWosdiZ9j9c5Qr046k
- fqkhbbd0npalen75084k89f6u0
- h7go5kbb5avro9mvks6easposg
- _globalsign-domain-verification=RSPuQMr-01KvtH8E-12oLiiTtHbiCOycbITcp8jxZ8
- 60estvip478sp8oo5btg94f302
- google-site-verification=YKD6M6UsLsgwpdqNr8M7oN3dDFzCz9F0fcdfNwhXYZo
- _globalsign-domain-verification=F3uRG1Hl-M83GlCrOAyYLogMHckl-erebJMkxagj2e
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