Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
iob.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-07 13:28:23 UTC · ↺ Refresh
MX Hostnames
- mx1.hc4633-92.iphmx.com
- mx2.hc4633-92.iphmx.com
MX Priorities
- mx1.hc4633-92.iphmx.com: 10
- mx2.hc4633-92.iphmx.com: 20
A / AAAA Records
- 3.95.81.247 ↩ ec2-3-95-81-247.compute-1.amazonaws.com
- 98.95.206.213 ↩ ec2-98-95-206-213.compute-1.amazonaws.com
Mail Server IPs
- 68.232.153.93 ↩ esa1.hc4633-92.iphmx.com
- 139.138.46.245 ↩ esa2.hc4633-92.iphmx.com
SOA Record
Raw SOA
ns-1309.awsdns-35.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1309.awsdns-35.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1309.awsdns-35.org
ns-1543.awsdns-00.co.uk
ns-505.awsdns-63.com
ns-824.awsdns-39.net
SPF Record
✓ Strict (-all)
v=spf1 include:spfd.iob.com.br include:sendgrid.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
10 records- google-site-verification=Lq1-IYZauzO-7ExOKCVnqgcdMIm5eyZiP_M_q5cq_fg
- miro-verification=3879216f89872191b7a7d9af43e20ad0263f2b2f
- oto0m050daha9v4qfpnepe9ns
- rhp3bdounkq1olol03ekob728l
- SPFv=spf1 include:spfd.iob.com.br include:sendgrid.net include:spf.protection.outlook.com -all
- MS=ms14645197 ocOUDHQI7tZ1CtdfWigFcdLWJF2YICdOZUo+EfDcX6AzWAi9oHrxEy3eyvEbMIYZR+Ug1+z45lrMT5o5PhfNag==
- MS=ms40091760
- anthropic-domain-verification-ckk9wc=RYxjX1agGYW8LWZkkybO40aJM
- ca3-24254bc6800c491bd1f96d66e2ac594F1EP8URKHX0NNCYVQ6V48QW9VGMW3HCYMWR012SX8A2TM6DFBB2MYCSU4Y0NSNWWAQR3Y66OUNFSSHHO
- facebook-domain-verification=1vgvki9mwyikyssrxu8cti4ab6b4yv
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