Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dcbuilding.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:53:17 UTC · ↺ Refresh
MX Hostnames
- dcbuilding-com.mail.protection.outlook.com
MX Priorities
- dcbuilding-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.11.174 (no PTR)
- 104.26.10.174 (no PTR)
- 172.67.69.68
- 2606:4700:20::ac43:4544
- 2606:4700:20::681a:aae
- 2606:4700:20::681a:bae
Mail Server IPs
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
rosa.ns.cloudflare.com dns.cloudflare.com 2397464253 10000 2400 604800 1800
Primary NS (mname)
rosa.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397464253
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
rosa.ns.cloudflare.com
sri.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:173.8.219.150 include:spf.protection.outlook.com include:1966909.spf10.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ 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: 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
6 records- google-site-verification=VQJ0wIg6SIVstkJHZHr6ZMMQPBiJ4-tJYHlV7hSG1Lo
- SPFv=spf1 ip4:173.8.219.150 include:spf.protection.outlook.com include:1966909.spf10.hubspotemail.net -all
- MS=64D053AFFE7163C054DD2D047B371DDB6819EA29
- MS=ms37437821
- NETORGFT2582195.onmicrosoft.com
- google-site-verification=Imk0_b7gzjJwFObKrgjlPIhn5LNeuyhQxZ5QmLpGmF8
Full email verification for dcbuilding.com
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