Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crnrstone.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 03:51:10 UTC · ↺ Refresh
MX Hostnames
- crnrstone-com.mail.protection.outlook.com
MX Priorities
- crnrstone-com.mail.protection.outlook.com: 10
A / AAAA Records
- 199.60.103.143 (no PTR)
- 199.60.103.43 (no PTR)
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
dns3.cloudns.net support.cloudns.net 2026030203 7200 1800 1209600 3600
Primary NS (mname)
dns3.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026030203
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns8.cloudns.net
dns3.cloudns.net
dns7.cloudns.net
dns4.cloudns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:72.214.213.146 ip4:159.183.117.181 include:_spf.alchemer.com include:docusign.net include:sendgrid.net include:amazonses.com include:one.zoho.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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- MS=ms51650132
- dtm-domain-verification=9oBN9ooNA521cX2QoTD2RVPg1zy7Vpyh2ePWzuUouEc
- openai-domain-verification=dv-Cc7tDkzDvyOk8h7o6xTs2st4
- anthropic-domain-verification-rvgefc=hrXU9N1JYuIrKOAB1QN30u5it
- MS=ms48256538
- d365mktkey=ysN0rujw79YIIDvU6TbTCAGC5whbGEdEWdJqjoLwQmcx
- cisco-ci-domain-verification=511e34acbcfc18a336ded75cb15ba08afc2306acdbb351a9d94c011526038707
- canva-site-verification=xh_D3kLOXb5e_WVUoF-P1A
- apple-domain-verification=o4R3Va8tKty81S76
- google-site-verification=SEB5IrPOFKs_VCjw7fP9CBCJey9vbJ_wNI0993tkB-c
- SPFv=spf1 include:spf.protection.outlook.com ip4:72.214.213.146 ip4:159.183.117.181 include:_spf.alchemer.com include:docusign.net include:sendgrid.net include:amazonses.com include:one.zoho.com -all
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