atcoretec.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
atcoretec.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 18:14:17 UTC · ↺ Refresh

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MX Hostnames

  • atcoretec-com.mail.protection.outlook.com
  • eu-smtp-inbound-2.mimecast.com
  • eu-smtp-inbound-1.mimecast.com

MX Priorities

  • eu-smtp-inbound-2.mimecast.com: 10
  • atcoretec-com.mail.protection.outlook.com: 20
  • eu-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 46.101.2.236

Mail Server IPs

  • 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
  • 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20
  • 2a01:111:f403:c967::a
  • 2a01:111:f403:ca09::3
  • 2a01:111:f403:ca09::7

SOA Record

Raw SOA edns4.ultradns.com premiumdns.support.neustar 2019082069 28800 7200 1209600 86400
Primary NS (mname)
edns4.ultradns.com
Admin Email (rname)
premiumdns@support.neustar
Serial
2019082069
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

edns4.ultradns.biz
edns4.ultradns.com
edns4.ultradns.net
edns4.ultradns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:193.201.124.150 include:spf.protection.outlook.com include:_netblocks.mimecast.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

6 records
  • vl2kl3gv5m3w58jn2mfjs9hl83cpctd4
  • VISA = B6F35ED2E2C61FB26FDF629F05714B9A
  • nitro-verification-code=LTIwNjM0OTE5OTMzMTE2NjAwMDM=
  • SPFv=spf1 ip4:193.201.124.150 include:spf.protection.outlook.com include:_netblocks.mimecast.com ~all
  • MS=ms13102098
  • _fimaq2whwjfis0ugyjm2gzrdbg2mmlw
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