Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
jsbclabs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 17:13:17 UTC · ↺ Refresh
MX Hostnames
- jsbclabs-com.mail.protection.outlook.com
MX Priorities
- jsbclabs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 129.232.204.130 ↩ 130.204.232.129.reverse.xneelo.net
Mail Server IPs
- 52.101.162.0 ↩ mail-ct2p275cu01000.inbound.protection.outlook.com
- 52.101.160.1 ↩ mail-jn3p275cu00401.inbound.protection.outlook.com
- 52.101.162.1 ↩ mail-ct2p275cu01101.inbound.protection.outlook.com
- 52.101.160.0 ↩ mail-jnyp275cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca2a::1 ↩ mail-ct2p275cu01101.inbound.protection.outlook.com
- 2a01:111:f403:ca28::1 ↩ mail-jn3p275cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca28:: ↩ mail-jnyp275cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca2a:: ↩ mail-ct2p275cu01000.inbound.protection.outlook.com
SOA Record
Raw SOA
monroe.ns.cloudflare.com dns.cloudflare.com 2400680516 10000 2400 604800 1800
Primary NS (mname)
monroe.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400680516
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
moura.ns.cloudflare.com
monroe.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- brevo-code:c9a472679a26301e4128650fdff0b532
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