Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
piazzablu.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 10:04:50 UTC · ↺ Refresh
MX Hostnames
- piazzablu-com.mail.protection.outlook.com
MX Priorities
- piazzablu-com.mail.protection.outlook.com: 1
A / AAAA Records
- 172.67.74.225 (no PTR)
- 104.26.11.45 (no PTR)
- 104.26.10.45
- 2606:4700:20::681a:b2d
- 2606:4700:20::681a:a2d
- 2606:4700:20::ac43:4ae1
Mail Server IPs
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
armando.ns.cloudflare.com dns.cloudflare.com 2399156703 10000 2400 604800 1800
Primary NS (mname)
armando.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399156703
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
armando.ns.cloudflare.com
jean.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:4.185.24.19 ip4:52.29.12.146 ip4:9.141.0.185 include:spf.protection.outlook.com include:146953083.spf02.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ 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
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- MS=ms98506757
- atlassian-domain-verification=s8t5yz1lRnIZSvWrEvbkmOk6Y7/bpBLhJKikq0WvuBpgL0Ulq3HD2UMfYCddSrSX
- SPFv=spf1 ip4:4.185.24.19 ip4:52.29.12.146 ip4:9.141.0.185 include:spf.protection.outlook.com include:146953083.spf02.hubspotemail.net -all
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