Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
contractorschoiceinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 12:55:27 UTC · ↺ Refresh
MX Hostnames
- contractorschoiceinc-com.mail.protection.outlook.com
MX Priorities
- contractorschoiceinc-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.21.35.10 (no PTR)
- 172.67.167.42 (no PTR)
- 2606:4700:3031::ac43:a72a
- 2606:4700:3035::6815:230a
Mail Server IPs
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
nelly.ns.cloudflare.com dns.cloudflare.com 2396594965 10000 2400 604800 1800
Primary NS (mname)
nelly.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396594965
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nelly.ns.cloudflare.com
rustam.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +a +ip4:199.6.34.2 +ip4:192.250.227.166 +ip4:66.42.231.170 +include:spf.a2hosting.com +include:spf.protection.outlook.com +include:zcsend.net -all
📊 DNS lookups: 4/10
✓ 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
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +ip4:199.6.34.2 +ip4:192.250.227.166 +ip4:66.42.231.170 +include:spf.a2hosting.com +include:spf.protection.outlook.com +include:zcsend.net -all
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