techharbor.at

Valid Email Server
Domain Lookup › techharbor.at

Domain Overview

DNS: ✓ 5d ago Checker: ✓ 5d ago
techharbor.at
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 16:31:18 UTC · ↺ Refresh

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MX Hostnames

  • techharbor-at.mail.protection.outlook.com

MX Priorities

  • techharbor-at.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.17.201.193 (no PTR)

Mail Server IPs

  • 52.101.181.153 ↩ mail-wa4pr04cu00101.inbound.protection.outlook.com
  • 52.101.185.114 ↩ mail-zrxpr04cu00102.inbound.protection.outlook.com
  • 52.101.209.153 ↩ mail-cpjpr04cu00101.inbound.protection.outlook.com
  • 52.101.103.137 ↩ mail-miypr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::a ↩ mail-miypr02cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1101.ui-dns.org hostmaster.1und1.com 2017060136 28800 7200 604800 600
Primary NS (mname)
ns1101.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060136
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1033.ui-dns.com
ns1023.ui-dns.biz
ns1111.ui-dns.de
ns1101.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.itandtel.at include:_spf-eu.ionos.com ip4:80.243.160.1 ip4:168.119.101.126 -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

✗ 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.itandtel.at include:_spf-eu.ionos.com ip4:80.243.160.1 ip4:168.119.101.126 -all
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