Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
landmarkcpas.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 07:56:14 UTC · ↺ Refresh
MX Hostnames
- landmarkcpas-com.mail.protection.outlook.com
MX Priorities
- landmarkcpas-com.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.66.159 (no PTR)
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns47.worldnic.com namehost.worldnic.com 125121015 10800 3600 604800 3600
Primary NS (mname)
ns47.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121015
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns48.worldnic.com
ns47.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:40.133.38.90 ip4:12.2.109.50 ip4:64.19.116.74 ip4:74.220.135.14 ip4:24.144.62.10 ip4:67.231.41.42 include:spf.us.exclaimer.net include:8982235.spf04.hubspotemail.net include:email01.fmgsuite.com include:cch.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
7 records- facebook-domain-verification=jipvplcod4u7142e040a1io3xjkk4f
- SPFv=spf1 ip4:40.133.38.90 ip4:12.2.109.50 ip4:64.19.116.74 ip4:74.220.135.14 ip4:24.144.62.10 ip4:67.231.41.42 include:spf.us.exclaimer.net include:8982235.spf04.hubspotemail.net include:email01.fmgsuite.com include:cch.com -all
- apple-domain-verification=OMHSyecXqx5rAS5jCUvo9uLawqqNMWSsoFEljc-vmGI
- nh22rp33e2vgi70k7j6eer4tiu
- qSE/7ZwRL9WiFHg7QKfyC4gZFufZGInws4W8sUw6g1uhRlgW73LHsdpco387WWtVG+cg5cZK9MZ1yAw0ICbF5g==
- ciscocidomainverification=690bbb117e7e67f5d791a020f996cc44bc3c047ff0c4eab960c67f643a870cc7
- google-site-verification=hFX34kNjYGH43erexXVgIiCVqZTQm4PH31m6VkT3rM4
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