Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marbleconstruction.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 13:14:36 UTC · ↺ Refresh
MX Hostnames
- marbleconstruction-net.mail.protection.outlook.com
MX Priorities
- marbleconstruction-net.mail.protection.outlook.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
janet.ns.cloudflare.com dns.cloudflare.com 2397643748 10000 2400 604800 1800
Primary NS (mname)
janet.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397643748
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
janet.ns.cloudflare.com
khalid.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf.mandrillapp.com include:spf.protection.outlook.com ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a include:spf.mandrillapp.com include:spf.protection.outlook.com ?all
- mscid=xZ3+e0Q6ZI59fAAI6fR0PFao0+eztq/mLbajDKr7I5fy/3CKrsNcfQ2glw4Xpw2rpbo2sdlzFHboMQe5LLDA4A==
- SPFv=spf1 +a +mx +ip4:67.227.193.202 include:mailgun.org ~all
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