Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jacobsongrp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 16:41:11 UTC · ↺ Refresh
MX Hostnames
- jacobsongrp-com.mail.protection.outlook.com
MX Priorities
- jacobsongrp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.216.23 (no PTR)
- 104.21.53.177 (no PTR)
- 2606:4700:3036::ac43:d817
- 2606:4700:3036::6815:35b1
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
alec.ns.cloudflare.com dns.cloudflare.com 2395603811 10000 2400 604800 1800
Primary NS (mname)
alec.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2395603811
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
alec.ns.cloudflare.com
gloria.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:207.178.252.106/32 ip4:108.178.142.18/32 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx ip4:207.178.252.106/32 ip4:108.178.142.18/32 include:spf.protection.outlook.com ~all
- MS=ms89108767
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