Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
programmers.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 20:09:36 UTC · ↺ Refresh
MX Hostnames
- programmers-com-br.mail.protection.outlook.com
MX Priorities
- programmers-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 20.122.46.54 (no PTR)
Mail Server IPs
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-08.azure-dns.com coreteam.programmers.com.br 2010053694 1800 600 1209600 3600
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
coreteam@programmers.com.br
Serial
2010053694
Refresh
1800s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns4-08.azure-dns.info
ns1-08.azure-dns.com
ns2-08.azure-dns.net
ns3-08.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net -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]; rf=afrf; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
13 records- apple-domain-verification=Il75O3tdv5WhGu0O
- 48lyk645dwj2s597628skb6nmc4c2b02
- btssdp11tfxf2vhzc1tk20jxqchw48x6
- d4sign-domain-verification=ef37f576-2355-439e-9192-bc33aefa21c3
- _1lh913fewwr3j7zbg6jdup74cqdj0tq
- google-site-verification=-YQm-Ctc0tpjzrBE4yjJYIvgdQKaRQBzxQBzyNQSIU4
- perplexity-ai-domain-verification-rjx89w=qzXzPRYy4X1akz7bdeivgRWDK
- anthropic-domain-verification-mkm0h2=lzxHGBuoRYHAu00Fl8golimsi
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net -all
- google-site-verification=ko7DDZxpnH9Dzlo__qhRZwii6aYAee5VyedzyhwY1Sg
- docusign=9f5322cc-633c-4470-972b-bc4439216b95
- logmein-verification-code=55120622-b2cb-4869-b70e-68a17b28a8a1
- mv9756tgdktbjst1ngzt1zht0f03dhdt
Full email verification for programmers.com.br
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