Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
customconcrete.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 06:15:19 UTC · ↺ Refresh
MX Hostnames
- customconcrete-com.mail.protection.outlook.com
MX Priorities
- customconcrete-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.209.120.207 ↩ 207.120.209.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns9.worldnic.com namehost.worldnic.com 126011611 10800 3600 604800 3600
Primary NS (mname)
ns9.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126011611
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns9.worldnic.com
ns10.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:208.38.233.165 a:mail.customconcrete.com include:spf.protection.outlook.com include:secureserver.net include:spf.emailsignatures365.com include:spf.sendinblue.com include:7083278.spf03.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
12 records- 3b5i53iim2lo4tk3q0jhg4lbkl
- bv6qjivtuhtakigon2o7nomoc2
- google-site-verification=-IGHChJ2ftK4rZ1dZPNuqEKUWuITuhbUtaMvWr0Vkik
- SPFv=spf1 ip4:208.38.233.165 a:mail.customconcrete.com include:spf.protection.outlook.com include:secureserver.net include:spf.emailsignatures365.com include:spf.sendinblue.com include:7083278.spf03.hubspotemail.net -all
- Sendinblue-code:741ec60e16b106862fc917de8562da06
- 5avgdgg5679tj63oeiq088k93
- kbk2suj03p6lg27gk840hf21jd
- 7NeCR3bUUS0dYSRrj6CiZWB9FEqj4UPZYLJ7pHFyaKPSm0ZgqToCeP6aCBCffzfw6kf+h2nBjvS66sxYitMFNw==
- 96t8t78v2kfqlpp48882rjrnou
- google-site-verification=WNEUPxCuiPO-noa-jgp09CiQHn8oSoA5oV0mIMHI1Rg
- 7frq5d4qe8hd4iicspdd0enurm
- pdonqrfsjmt4dj5jfh21bj857k
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