circularservices.com

Valid Email Server
Domain Lookup › circularservices.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
circularservices.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 08:17:43 UTC · ↺ Refresh

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MX Hostnames

  • circularservices-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA fatima.ns.cloudflare.com dns.cloudflare.com 2405056974 10000 2400 604800 1800
Primary NS (mname)
fatima.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405056974
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

patryk.ns.cloudflare.com
fatima.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.createsend.com include:_spf.circularservices_com._d.easydmarc.pro -all
📊 DNS lookups: 2/10
✓ 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

7 records
  • knowbe4-site-verification=5ce1784987fa7532c9bb0d8da2b5739d
  • openai-domain-verification=dv-oTXNDUQrB57V2kblfklaViII
  • pardot1072951=f1c8f253d0dd3f8af5c89698dc78c3cb432a844323626f901997d36c000da0f4
  • sending_domain1072951=ccc1758255a36829d4b3fa77aaa241d452e28ac01fea4184a3d74abf300be51d
  • SPFv=spf1 include:_spf.createsend.com include:_spf.circularservices_com._d.easydmarc.pro -all
  • MS=ms85590194
  • apple-domain-verification=9lhejnT4lJjv6jJ9
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