Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
level4construction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 07:52:12 UTC · ↺ Refresh
MX Hostnames
- level4construction-com.mail.protection.outlook.com
MX Priorities
- level4construction-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.128.176 (no PTR)
- 104.21.2.40 (no PTR)
- 2606:4700:3035::ac43:80b0
- 2606:4700:3033::6815:228
Mail Server IPs
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
isla.ns.cloudflare.com dns.cloudflare.com 2395811083 10000 2400 604800 1800
Primary NS (mname)
isla.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2395811083
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
major.ns.cloudflare.com
isla.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- v=verifydomain MS=4415308
- brevo-code:cca4a81964efaeb6ebdfc3cdffc26a78
- google-site-verification=tmBnmun_1eFpsY3Zn_6vdwYmRsGBBUHyAXYLklr0f50
- google-site-verification=u7COqMCT0VjXr_iRLXFd5QKBj_o7jb8rVb_5Qslj78U
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for level4construction.com
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