nanobuildingcorp.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nanobuildingcorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 14:36:37 UTC · ↺ Refresh

MX Hostnames

  • nanobuildingcorp-com.mail.protection.outlook.com

MX Priorities

  • nanobuildingcorp-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.15.170 (no PTR)
  • 172.67.163.80 (no PTR)
  • 2606:4700:3036::ac43:a350
  • 2606:4700:3035::6815:faa

Mail Server IPs

  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA coco.ns.cloudflare.com dns.cloudflare.com 2396832766 10000 2400 604800 1800
Primary NS (mname)
coco.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396832766
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

pranab.ns.cloudflare.com
coco.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

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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