Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
itwwelding.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:19:56 UTC · ↺ Refresh
MX Hostnames
- itwwelding-com.mail.protection.outlook.com
MX Priorities
- itwwelding-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.173.16.184 (no PTR)
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.stabletransit.com ipadmin.stabletransit.com 1770326375 3600 300 1814400 300
Primary NS (mname)
dns1.stabletransit.com
Admin Email (rname)
ipadmin@stabletransit.com
Serial
1770326375
Refresh
3600s
Retry
300s
Expire
1814400s
Minimum TTL
300s
Nameservers (NS)
dns2.stabletransit.com
dns1.stabletransit.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:194.25.158.231 ip4:37.60.184.114 ip4:89.7.102.94 ip4:212.181.63.3 ip4:79.135.61.197 ip4:46.165.168.238 include:spf.protection.outlook.com include:_spf.online.superoffice.com include:spf.mailanyone.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=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: 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
3 records- SPFv=spf1 ip4:194.25.158.231 ip4:37.60.184.114 ip4:89.7.102.94 ip4:212.181.63.3 ip4:79.135.61.197 ip4:46.165.168.238 include:spf.protection.outlook.com include:_spf.online.superoffice.com include:spf.mailanyone.net -all
- mc-2f133d82-c766-4336-9583-423620-cd.azurewebsites.net
- cisco-ci-domain-verification=779020b89c4bfd3a55dbac41ea5d2b5bcad188d269b7795cec529b7da5e72c22
Full email verification for itwwelding.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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