cercatech.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-02 01:53:04 UTC · ↺ Refresh

MX Hostnames

  • cercatech-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns11.constellix.com dns.constellix.com 2015010122 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010122
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:190.61.2.16/28 ip4:190.61.253.192/32 ip4:200.91.200.67/32 ip4:190.60.193.211/32 ip4:186.28.243.161/32 ip4:190.61.4.75/32 ip4:200.91.200.67/32 ip4:200.91.200.95/32 ip4:190.61.253.194/27 ip4:190.61.253.192/28 ip4:190.61.2.16/28 ip4:190.61.4.74/32 ip4:200.91.200.67/32 ip4:200.91.200.95/32 ip4:190.61.2.130/27 include:spf.protection.outlook.com include:servers.mcsv.net include:serverdata.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; sp=quarantine; adkim=r; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 ip4:190.61.2.16/28 ip4:190.61.253.192/32 ip4:200.91.200.67/32 ip4:190.60.193.211/32 ip4:186.28.243.161/32 ip4:190.61.4.75/32 ip4:200.91.200.67/32 ip4:200.91.200.95/32 ip4:190.61.253.194/27 ip4:190.61.253.192/28 ip4:190.61.2.16/28 ip4:190.61.4.74/32 ip4:200.91.200.67/32 ip4:200.91.200.95/32 ip4:190.61.2.130/27 include:spf.protection.outlook.com include:servers.mcsv.net include:serverdata.net ~all
  • MS=ms12797113
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