Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cn-bus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:48:04 UTC · ↺ Refresh
MX Hostnames
- cnbus-com0e.mail.protection.outlook.com
MX Priorities
- cnbus-com0e.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns5.worldnic.com namehost.worldnic.com 125100311 10800 3600 604800 3600
Primary NS (mname)
ns5.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125100311
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns5.worldnic.com
ns6.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:68.109.249.105 ip4:98.172.4.202 ip4:192.254.121.248 ip4:23.21.109.197 ip4:23.21.109.212 ip4:198.21.6.113 ip4:168.245.40.179 ip4:216.16.137.26 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.dynect.net include:_spf.psm.knowbe4.com include:_spf.salesforce.com include:spf_c.oraclecloud.com include:one.zoho.com include:sendgrid.net include:_netblocks.mimecast.com -all
📊 DNS lookups: 10/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; rf=afrf; pct=50
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
11 records- apple-domain-verification=ESU6s3dNfs97yeIA
- MS=ms36046469
- adobe-idp-site-verification=eb53fa9dc84672de436c39e479d683e7a561c3a7dbf0cb8957a4bbc4508e5bcd
- SPFv=spf1 mx ip4:68.109.249.105 ip4:98.172.4.202 ip4:192.254.121.248 ip4:23.21.109.197 ip4:23.21.109.212 ip4:198.21.6.113 ip4:168.245.40.179 ip4:216.16.137.26 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.dynect.net include:_spf.psm.knowbe4.com include:_spf.salesforce.com include:spf_c.oraclecloud.com include:one.zoho.com include:sendgrid.net include:_netblocks.mimecast.com -all
- ciscocidomainverification=16330741eada6cfc3ba662009d0f12a1499e40be3aade1ecebcd6d0b07a5ebfe
- intersight=57d5480e8792537b366ff8a4a58b888803dca90ab5e442cf8e85c5e41bb8a5f3
- box-domain-verification=5657f7998a7b73d78c0478239c1fa274adb7189281019edf6f17508bb9fbca38
- duo_sso_verification=DvK0GJsLrv4RmwasC1Z94j1JizRiIulfCAg4uPNpJR0YsdZwJpHbtL2WT52E6Di5
- google-site-verification=QgjZPwx7wVNKRYpXrLRDGL4C13P6KhCqZkR60O4qcrY
- docusign=4d845acb-0d52-4f33-979e-9dd0befbd9a2
- dell-technologies-domain-verification=cn-bus.com_aa25951e-d24f-43eb-9890-8b5996912e8c_1697735199
Full email verification for cn-bus.com
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