calcs-plus.com

Valid Email Server
Domain Lookup › calcs-plus.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
calcs-plus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 14:00:34 UTC · ↺ Refresh

MX Hostnames

  • calcsplus-com01c.mail.protection.outlook.com

MX Priorities

  • calcsplus-com01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.86.170 (no PTR)
  • 172.67.222.102 (no PTR)
  • 2606:4700:3035::6815:56aa
  • 2606:4700:3030::ac43:de66

Mail Server IPs

  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA emerie.ns.cloudflare.com dns.cloudflare.com 2398660891 10000 2400 604800 1800
Primary NS (mname)
emerie.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398660891
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

scott.ns.cloudflare.com
emerie.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

3 records
  • MS=ms68064562
  • google-site-verification=sbQprMhKP1ovv0raqJvdvOeAM5FIBX8rig7kK6eNfu4
  • SPFv=spf1 include:spf.protection.outlook.com -all
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