Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holwick.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 09:38:14 UTC · ↺ Refresh
MX Hostnames
- holwick-biz.mail.protection.outlook.com
- mxa.mailgun.org
- mxb.mailgun.org
MX Priorities
- holwick-biz.mail.protection.outlook.com: 0
- mxa.mailgun.org: 10
- mxb.mailgun.org: 10
A / AAAA Records
- 40.83.174.47
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 34.160.13.42 ↩ 42.13.160.34.bc.googleusercontent.com
- 34.149.236.64 ↩ 64.236.149.34.bc.googleusercontent.com
SOA Record
Raw SOA
ns37.domaincontrol.com dns.jomax.net 2026010800 28800 7200 604800 600
Primary NS (mname)
ns37.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026010800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns38.domaincontrol.com
ns37.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:mailgun.org include:_spf.psm.knowbe4.com a:dispatch-us.ppe-hosted.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
7 records- MS=ms62325945
- _globalsign-domain-verification=z6gUh2vcmtfnFoMv3faOCyewH5YBeLrUcb7spQkira
- ppe-9d0e444e399c45e9002d
- ppe-e27984e659243199e86c
- google-site-verification=mbfHg1mruVlG2Gm8nmAFmc2n6-c7bynMz7bHv3iJ-JQ
- apple-domain-verification=OzLVlmJWjTIQ63Lh
- SPFv=spf1 mx include:spf.protection.outlook.com include:mailgun.org include:_spf.psm.knowbe4.com a:dispatch-us.ppe-hosted.com -all
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