hartlauer.at

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
hartlauer.at
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-10-29 23:25:44 UTC · ↺ Refresh

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MX Hostnames

  • d310945.b.ess.de.barracudanetworks.com
  • d310945.a.ess.de.barracudanetworks.com

MX Priorities

  • d310945.b.ess.de.barracudanetworks.com: 20
  • d310945.a.ess.de.barracudanetworks.com: 10

A / AAAA Records

  • 80.120.17.23 ↩ redirector.a1.net

Mail Server IPs

  • 18.185.115.252 ↩ mail.ess.de.barracuda.com
  • 18.185.115.250 ↩ mail.ess.de.barracuda.com
  • 18.185.115.251 ↩ mail.ess.de.barracuda.com

SOA Record

Raw SOA dns3.a1.net domainadmin.a1.net 2026092200 10800 3600 1814400 3600
Primary NS (mname)
dns3.a1.net
Admin Email (rname)
domainadmin@a1.net
Serial
2026092200
Refresh
10800s
Retry
3600s
Expire
1814400s
Minimum TTL
3600s

Nameservers (NS)

dns2.a1.net
ns4.exacttarget.com
dns1.a1.net
dns3.a1.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.166.109.10/32 ip4:91.118.6.125/32 ip4:193.169.76.0/23 ip4:80.228.117.0/24 ip4:80.120.11.62/32 ip4:83.65.7.70/32 ip4:85.25.89.5/32 ip4:77.75.17.250/32 ip4:80.228.25.75/32 ip4:91.250.95.71/32 ip4:148.139.0.2 ip4:148.139.1.2 include:spf.protection.outlook.de include:_spf.rexx-suite.com include:spf.ess.de.barracudanetworks.com include:spf-westeu.emailsignatures365.com include:_spf.qp-mail.eu include:_spf.salesforce.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; 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

16 records
  • cloudflare_dashboard_sso=b3a8508fcbd7cdb846b5866ab0ab70f9
  • atlassian-domain-verification=UByDBQc8vDLk1EApWR65UhiH3MBjsfqBCQQPwWTZkQPw473oAMJN34uAWD/8RH85
  • samsung-domain-verification=1748db3e-7649-41fd-9567-fa59f5136792
  • cisco-ci-domain-verification=57f6c76a20ba1d2df60172916d3455a6735e982651519c89944f351d712c94ff
  • apple-domain-verification=dl3jagOy5T7RTk73
  • apple-domain-verification=vByxPTyS95kK08Xs
  • ep9imuj8d6td20i6vtmkoqoqsm
  • 7tr6953lv4542hv9ff6lk9vtd7
  • canva-site-verification=8eGT9rKfUI-bt8P0o-EUWg
  • 8dabjjpjtaa3h74v654rue01ip
  • MS=ms61803209
  • google-site-verification=CHLSrb8yxgaVls5A29g0pWm0yZqjFzQSbVf10O4K5nw
  • google-site-verification=Vk7Re3AdfXBTVMdBazmaKgT7yUG5N4-u7UNAMFcD-5U
  • facebook-domain-verification=1wivpze51aoo7ybe9mvjgrceuhjp32
  • SPFv=spf1 ip4:212.166.109.10/32 ip4:91.118.6.125/32 ip4:193.169.76.0/23 ip4:80.228.117.0/24 ip4:80.120.11.62/32 ip4:83.65.7.70/32 ip4:85.25.89.5/32 ip4:77.75.17.250/32 ip4:80.228.25.75/32 ip4:91.250.95.71/32 ip4:148.139.0.2 ip4:148.139.1.2 include:spf.protection.outlook.de include:_spf.rexx-suite.com include:spf.ess.de.barracudanetworks.com include:spf-westeu.emailsignatures365.com include:_spf.qp-mail.eu include:_spf.salesforce.com -all
  • openai-domain-verification=dv-Cx8awR5khAq4nAde0OgqdX9a
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