Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heartland-derm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 11:30:02 UTC · ↺ Refresh
MX Hostnames
- heartlandderm-com02c.mail.protection.outlook.com
MX Priorities
- heartlandderm-com02c.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.66.170 (no PTR)
- 172.67.162.111 (no PTR)
- 2606:4700:3036::ac43:a26f
- 2606:4700:3037::6815:42aa
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
dina.ns.cloudflare.com dns.cloudflare.com 2396435540 10000 2400 604800 1800
Primary NS (mname)
dina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396435540
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nitin.ns.cloudflare.com
dina.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.bill.com include:_spf.psm.knowbe4.com ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ 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: 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- PfZMnelu9EkH4/IDcNy5Hw==
- PfZMnelu9EkH4/lDcNy5Hw==
- ppe-64a6642b85d6d7601ccb71703865e46681e1e8c2
- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.bill.com include:_spf.psm.knowbe4.com ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 -all
- MS=ms52345787
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