Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
airtech.lu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 09:01:14 UTC · ↺ Refresh
MX Hostnames
- mx1-us1.ppe-hosted.com
- mx2-us1.ppe-hosted.com
MX Priorities
- mx2-us1.ppe-hosted.com: 2
- mx1-us1.ppe-hosted.com: 1
A / AAAA Records
- 104.26.7.231 (no PTR)
- 172.67.72.61 (no PTR)
- 104.26.6.231 (no PTR)
- 2606:4700:20::681a:7e7 (no PTR)
- 2606:4700:20::ac43:483d (no PTR)
- 2606:4700:20::681a:6e7 (no PTR)
Mail Server IPs
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
SOA Record
Raw SOA
donovan.ns.cloudflare.com dns.cloudflare.com 2398006168 10000 2400 604800 1800
Primary NS (mname)
donovan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398006168
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
veronica.ns.cloudflare.com
donovan.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.eu.signature365.net a:dispatch-us.ppe-hosted.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- 1y0y81gn5x4zff8wsj2j1q1xzqlwxcbb
- 1|www.airtech.lu
- MS=ms41932067
- apple-domain-verification=jsmsglyVDAZRv2EU
- ppe-fc1a8bf2f979d8b9a75978324cae07a33c71697a
- SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.eu.signature365.net a:dispatch-us.ppe-hosted.com -all
- w88reiduhcGAM+4Z5XuUEULZwWY6e5iF7YYQSmxChUxJ+1CjzZsFFTFnPFod7p07yAACkwxkYJTkXqmH1P6KUA==
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