Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
truenorthsteel.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 06:20:04 UTC · ↺ Refresh
MX Hostnames
- truenorthsteel-com.mail.protection.outlook.com
MX Priorities
- truenorthsteel-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns79.worldnic.com namehost.worldnic.com 125092412 10800 3600 604800 3600
Primary NS (mname)
ns79.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125092412
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns80.worldnic.com
ns79.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:24.230.146.58 ip4:76.10.67.74 ip4:216.71.150.115 include:spf.protection.outlook.com include:_spf.ultipro.com exists:%{i}.spf.hc1986-95.iphmx.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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
✓ 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
7 records- knowbe4-site-verification=7fc71771043046aab5f93e18add01a0e
- _13rg7drbnaxb1swsdihevx7bg0mq1uu
- smartsheet-site-validation=1r-4jKF5T56YDHuk4k46NYzJZhnoEsvS
- apple-domain-verification=GuTOrFzkqAxwstAS
- autodesk-domain-verification=r2ix_n10hGbk6axDEq2e
- infor-cloudsuite-domain-verification=ZN94PQA864L56845PVX88Z5U4BA6LNV9AQVR2VFVFPUXJDUZENPEVQZ2VRET64BE
- SPFv=spf1 ip4:24.230.146.58 ip4:76.10.67.74 ip4:216.71.150.115 include:spf.protection.outlook.com include:_spf.ultipro.com exists:%{i}.spf.hc1986-95.iphmx.com -all
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