Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
codecycle.com.br
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 20:55:19 UTC · ↺ Refresh
MX Hostnames
- mxa.mailgun.org
- codecycle-com-br.mail.protection.outlook.com
- mxb.mailgun.org
MX Priorities
- mxa.mailgun.org: 10
- mxb.mailgun.org: 10
- codecycle-com-br.mail.protection.outlook.com: 1
A / AAAA Records
- 195.200.1.136
Mail Server IPs
- 34.160.13.42 ↩ 42.13.160.34.bc.googleusercontent.com
- 34.160.157.95 ↩ 95.157.160.34.bc.googleusercontent.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-05.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-05.azure-dns.org
ns4-05.azure-dns.info
ns1-05.azure-dns.com
ns2-05.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 include:mailgun.org include:spf.protection.outlook.com include:_spf.firebasemail.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; adkim=r; aspf=r; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- google-site-verification=Kwg8CqQMmcK4tOMDSVEJ7yZkVCH1HskCoux-o1o09U
- DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDfuaMWivNHIP05XRInvNX9Hqi/3bBAHXll0c2J5kXupPNOC1lbUECXmXgZZR6mbdwNdW3ZKKhp0ux/rLM93nOr3jkLLx7Y8K0xqCeh7iiloYHyEFYZn6PPfEsDZ7sD+DVT/f/GSHCIxOAmzw86JtiNXbP7uUCZ4sbreWHdKNTdqIDAQAB
- FCHUe4HTzG2mvLcNqEYmBDrEfapcZpR06MqF3NxNSJo
- facebook-domain-verification=0d6p7miyuew64f1hctu5mgra50ivp3
- MS=ms86775589
- firebase=codechutebr
- firebase=plataformacodecy-1524606797573
- hosting-site=websitecodecycle
- SPFv=spf1 include:mailgun.org include:spf.protection.outlook.com include:_spf.firebasemail.com -all
- google-site-verification=K6rkk2ueCF0Tcj95DrfvEPUzVizFyU046iHChDP2gYA
- MS=ms66896402
Full email verification for codecycle.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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