Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
monitronics.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 06:43:45 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 209.17.116.163 (no PTR)
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns43.worldnic.com namehost.worldnic.com 125101702 10800 3600 604800 3600
Primary NS (mname)
ns43.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125101702
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns44.worldnic.com
ns43.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.alarm.com include:et._spf.pardot.com ip4:192.154.176.195 ip4:20.190.237.84 ip4:149.72.234.162 ip4:216.82.84.34 ip4:8.31.34.132 ip4:8.31.34.196 ip4:149.72.234.162 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
7 records- have-i-been-pwned-verification=99450d24f1b4e263353e2e8135950080
- fl90n2ndo540luhdssabg5g40p
- MS=ms98957038
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.alarm.com include:et._spf.pardot.com ip4:192.154.176.195 ip4:20.190.237.84 ip4:149.72.234.162 ip4:216.82.84.34 ip4:8.31.34.132 ip4:8.31.34.196 ip4:149.72.234.162 ~all
- MS=ms34485894
- 80KNMvoO3gvzeicz40zNxlSnBc+aYiJSHQ/Z1J0wEPwh7bafCIjW1Prw8AdVA5o1XLcVNonz/+e8Y1OJ7rp6KQ==
- docusign=c3489993-f4f8-4818-a7b1-485f58fe631a
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