Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nationalcorporatehousing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 14:03:59 UTC · ↺ Refresh
MX Hostnames
- nationalcorporatehousing-com.mail.protection.outlook.com
MX Priorities
- nationalcorporatehousing-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.20.45.225 (no PTR)
- 172.66.146.233 (no PTR)
- 2606:4700:10::6814:2de1
- 2606:4700:10::ac42:92e9
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
brit.ns.cloudflare.com dns.cloudflare.com 2399353466 10000 2400 604800 1800
Primary NS (mname)
brit.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399353466
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
brit.ns.cloudflare.com
clint.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:20.65.55.151 include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:sendgrid.net include:spf.zohomail360.com include:_spf.salesforce.com mx ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate 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
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- msfpkey=3idb6sm8mqlyp9hpqn3977qdl
- pardot_361901_*=875656228b22a4bfa59aff070990ac1a6d9a9420ff7aecfca9edba3baa8d7b8e
- SPFv=spf1 ip4:20.65.55.151 include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:sendgrid.net include:spf.zohomail360.com include:_spf.salesforce.com mx ~all
- v=verifydomain MS=4959087
- vPjMAIo6wYkqMr8474dwTTNi8vLi5iQRdUPRxukeLaE8BVmBA2Sfafv9noFJq89tE31OmNcEF8tx4e9z+NSuzg==
- 96c6uce04os84fkan8t37h7r0n
- apple-domain-verification=BqSvbtBMEl5TJG4d
- atlassian-domain-verification=JETQZg77g27SI06aV5kaarl5HmSDKXuKHCSQ5qrQdNx2Uh9p8vtFifqaORFDJarU
- docusign=9f679e31-1b3e-4d16-b449-34ce7daac5a6
- google-site-verification=3wh6zUSx5AlUaqQl0HrlXAvIiYUJjUijajx7TBWEHpU
- google-site-verification=rTYLQSgmsUnhdXESHmRgLxYL_zk1GdqdRrf-HcJ20cQ
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for nationalcorporatehousing.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits