Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jackson.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 14:49:42 UTC · ↺ Refresh
MX Hostnames
- jackson-org.mail.protection.outlook.com
MX Priorities
- jackson-org.mail.protection.outlook.com: 10
A / AAAA Records
- 100.20.247.252 ↩ ec2-100-20-247-252.us-west-2.compute.amazonaws.com
- 100.20.245.150 ↩ ec2-100-20-245-150.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns43.domaincontrol.com dns.jomax.net 2026011201 28800 7200 604800 3600
Primary NS (mname)
ns43.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026011201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns44.domaincontrol.com
ns43.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:54.174.57.0/24 ip4:149.72.0.0/16 ip4:208.117.48.0/20 ip4:134.6.231.100 ip4:134.6.231.98 ip4:207.98.136.158 ip4:76.9.203.192/27 a:sendgrid.net include:ab.sendgrid.net include:_phishspf.knowbe4.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=75; ri=0
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 75% of failing messages only
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- SPFv=spf1 include:spf.protection.outlook.com ip4:54.174.57.0/24 ip4:149.72.0.0/16 ip4:208.117.48.0/20 ip4:134.6.231.100 ip4:134.6.231.98 ip4:207.98.136.158 ip4:76.9.203.192/27 a:sendgrid.net include:ab.sendgrid.net include:_phishspf.knowbe4.com -all
- MS=ms86936980
- OADeFui+hebnw2yeDgrN2/w+LQiImtUHWe+TpPF7hnuaulrJRQQjdEzFxGdV9YCuxmHvVjeUNvJ+wpOsAQS0wQ==
- 2h18g4hr0evkjgbjljo84o919t
- sophos-domain-verification=ba857e8ecf5c377684eb68751e56f16cb2d1753adb8addd0cd287ef8ab1cf33e
Full email verification for jackson.org
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