Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jenconbuilders.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:29:53 UTC · ↺ Refresh
MX Hostnames
- jenconbuilders-com.mail.protection.outlook.com
MX Priorities
- jenconbuilders-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.systemdns.com hostmaster.systemdns.com 1751988541 10800 3600 300 60
Primary NS (mname)
ns1.systemdns.com
Admin Email (rname)
hostmaster@systemdns.com
Serial
1751988541
Refresh
10800s
Retry
3600s
Expire
300s
Minimum TTL
60s
Nameservers (NS)
ns1.systemdns.com
ns2.systemdns.com
ns3.systemdns.com
SPF Record
✓ Strict (-all)
v=spf1 include:mailgun.org include:spf.protection.outlook.com include:spf.emailsignatures365.com include:44545225.spf05.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- pmr42on3ggrcs7sqs8h9hot77g
- docusign=6849c683-5711-4818-8fb2-25ee3e27454c
- SPFv=spf1 include:mailgun.org include:spf.protection.outlook.com include:spf.emailsignatures365.com include:44545225.spf05.hubspotemail.net -all
- h7v1ntfoanrqb2hmbriv1cf83d
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