Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bestconstructioncs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 22:40:21 UTC · ↺ Refresh
MX Hostnames
- bestconstructioncs-com.mail.protection.outlook.com
MX Priorities
- bestconstructioncs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.49.23.145 (no PTR)
- 198.185.159.144 (no PTR)
- 198.185.159.145
- 198.49.23.144
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.p01.nsone.net hostmaster.nsone.net 1698781819 43200 7200 1209600 3600
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1698781819
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com
dns1.p02.nsone.net
dns2.p02.nsone.net
dns3.p02.nsone.net
dns4.p02.nsone.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:164.90.148.54 +ip4:204.197.254.134 +ip4:147.182.232.139 +include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=-FW_XWtu6qqPknthlWt7Z9a2Zi3THHImrZZ3s7alBrI
- SPFv=spf1 +a +mx +ip4:164.90.148.54 +ip4:204.197.254.134 +ip4:147.182.232.139 +include:spf.protection.outlook.com ~all
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