Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dallasmedcenter.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 08:21:21 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 192.124.249.88 ↩ cloudproxy10088.sucuri.net
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
dns1.p02.nsone.net hostmaster.nsone.net 1646323607 43200 7200 1209600 3600
Primary NS (mname)
dns1.p02.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1646323607
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns2.p02.nsone.net
dns3.p02.nsone.net
dns4.p02.nsone.net
dns1.p02.nsone.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- 05zf48qb6l9k5m3p7lnbd858975yh69r
- google-site-verification=z1ogQtLNUtXpKixwa1yrQd5ZAxG6pk5Zhb4TN8v1n-M
- MS=ms53749430
- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
- v=verifydomain MS=2357072
- facebook-domain-verification=hmb45ezyywobl07h4bn7pnn5bbetdl
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