Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cornerstonebuildingbrands.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 18:46:00 UTC · ↺ Refresh
MX Hostnames
- cornerstonebuildingbrands-com.mail.protection.outlook.com
MX Priorities
- cornerstonebuildingbrands-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns27.worldnic.com namehost.worldnic.com 126021614 10800 3600 604800 3600
Primary NS (mname)
ns27.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021614
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns27.worldnic.com
ns28.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:198.246.150.18/28 ip4:198.246.150.19/28 ip4:198.246.150.131/28 ip4:198.246.150.132/28 ip4:198.246.150.133/28 ip4:198.246.150.134/28 ip4:198.246.150.135/28 ip4:198.246.150.136/28 ip4:205.167.42.14/32 ip4:64.128.23.133/32 ip4:205.167.43.192/32 ip4:64.128.23.192/32 IP4:35.80.141.6/28 ip4:44.229.121.55/28 ip4:148.59.100.16/28 include:ncigroup.com include:_spf.q4press.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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- google-site-verificatigoogle-site-verification=1ut1PGWpcDI0Xf94H9KAkccn3K2E2YTHmy_96k7ZTgI
- MS=ms93292129
- ms0hivgcdbpc9g6csos78on2sd
- uotm13otjn6hqrbdtup9oee8a5
- dkvaea1j1q2be0nhsqre3rvkt7
- 1ii0spr285mm626m5satf5cror
- SPFv=spf1 mx ip4:198.246.150.18/28 ip4:198.246.150.19/28 ip4:198.246.150.131/28 ip4:198.246.150.132/28 ip4:198.246.150.133/28 ip4:198.246.150.134/28 ip4:198.246.150.135/28 ip4:198.246.150.136/28 ip4:205.167.42.14/32 ip4:64.128.23.133/32 ip4:205.167.43.192/32 ip4:64.128.23.192/32 IP4:35.80.141.6/28 ip4:44.229.121.55/28 ip4:148.59.100.16/28 include:ncigroup.com include:_spf.q4press.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all
- g6j861o99e198dbt8bk476hirc
- e20vcorrungnqc07mj9cobg67s
- MS=ms28159895
- 7m6v6pmpdhopgdhk1bb0afmoai
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