arcstechnologies.de

Valid Email Server
Domain Lookup › arcstechnologies.de

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
arcstechnologies.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-18 04:34:39 UTC · ↺ Refresh

MX Hostnames

  • arcstechnologies-de.mail.protection.outlook.com

MX Priorities

  • arcstechnologies-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 4.184.177.17 (no PTR)

Mail Server IPs

  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

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

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

All TXT Records

6 records
  • google-site-verification=7VuE0SYmfVXQSx5xElwPJtNqGECXQjgJxGp7VUvdAW0
  • facebook-domain-verification=8m0wsckdp0gt8ja8lxs59wrfwv5tpo
  • sendinblue-code:075cb81cf6110a441b7e1cb361e70f76
  • mscid=vaf+Ec4HZUe0nB+ur8nU1JLO1XTA2A/hW+ln3sXDajWvUp3qcDozZSQSoVb9FCF2xjOkWUkiutmrtmXN2p5liQ==
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com mx -all
  • google-site-verification=tUjSIuYDEMBtxhDfkeVT2CaVogElE_AWkYwIWMnd4-0
Full email verification for arcstechnologies.de

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