Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
computerworld.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:19:03 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 10
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 192.0.66.81 (no PTR)
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
boyd.ns.cloudflare.com dns.cloudflare.com 2398209236 10000 2400 604800 1800
Primary NS (mname)
boyd.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398209236
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kara.ns.cloudflare.com
boyd.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailgun.org include:spf.protection.outlook.com include:_spf.salesforce.com include:msgfocus.com include:spfa.cpmails.com include:usb._netblocks.mimecast.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 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
9 records- SPFv=spf1 include:mailgun.org include:spf.protection.outlook.com include:_spf.salesforce.com include:msgfocus.com include:spfa.cpmails.com include:usb._netblocks.mimecast.com ~all
- 0ed1fe018a28ed84ace139492d8ef54e1f4054c900
- MS=ms66123137
- e6C3N0aieu+XdIQhUmF/SmaMOKJC/gxJgHqFKzZmBGDqesnZf8rSI4NhVc0AN7FsdBdQV8TuldSWQmmAoV4Asw==
- facebook-domain-verification=wzat0koa4aba1q51ty07mi7y491bz9
- google-site-verification=CUoUFH9gl5SHcqauL2Q8LL1tb4GAHt3rtM1eylRn1oU
- google-site-verification=jVBJ5LCccE6b_eBWq5avL6XrxmSaskWwGHgNl_Qoc7c
- google-site-verification=pFi2HYqvPt_p7xidvBu22igkOQSZoYmi4X3t0WBAV9o
- s70o5707qhkik3emq7air2118n
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