Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cambridge-housing.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:29:57 UTC · ↺ Refresh
MX Hostnames
- cambridgehousing-org02c.mail.protection.outlook.com
MX Priorities
- cambridgehousing-org02c.mail.protection.outlook.com: 0
A / AAAA Records
- 35.212.36.93 ↩ 93.36.212.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
SOA Record
Raw SOA
ns21.worldnic.com namehost.worldnic.com 126031015 10800 3600 604800 3600
Primary NS (mname)
ns21.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031015
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns21.worldnic.com
ns22.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:usa.o365.crossware.co.nz include:asp-spf1.yardi.com include:mailgun.org include:sendgrid.net ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:104.156.178.224/29 ip4:104.156.179.224/29 ip4:104.156.160.224/29 ip4:104.156.170.224/29 ip4:103.170.76.224/29 ip4:193.240.191.224/29 ip4:94.127.118.224/29 ip4:94.205.15.224/30 ip4:183.177.48.74 ip4:168.245.4.116 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
3 records- apple-domain-verification=tC4JDxTIwBFvG4My
- SPFv=spf1 include:spf.protection.outlook.com include:usa.o365.crossware.co.nz include:asp-spf1.yardi.com include:mailgun.org include:sendgrid.net ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:104.156.178.224/29 ip4:104.156.179.224/29 ip4:104.156.160.224/29 ip4:104.156.170.224/29 ip4:103.170.76.224/29 ip4:193.240.191.224/29 ip4:94.127.118.224/29 ip4:94.205.15.224/30 ip4:183.177.48.74 ip4:168.245.4.116 -all
- MS=ms18792216
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 · Customize →
See demo & docs
Deep verification
Full email verification for cambridge-housing.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits