Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
builtech.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 09:12:26 UTC · ↺ Refresh
MX Hostnames
- builtech-de.mail.protection.outlook.com
MX Priorities
- builtech-de.mail.protection.outlook.com: 0
A / AAAA Records
- 85.13.161.37 ↩ dd27624.kasserver.com
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2511120944 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2511120944
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns6.kasserver.com
ns5.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 mx a a:asb.custdnw.net a:as6.custdnw.net a:as6.mailrelaypro.net ip4:194.147.131.41 ip4:85.13.161.37 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.academymaker.de include:spf.mailjet.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=7a5KoQwaa6Q8D-07cCS0LmVSB29enEciDV5w6RqN9Bk
- atlassian-domain-verification=HTmmY1O4NCi/u7qo432fuWfMaa7Pt5uAL8rbpVGE/GHjK7AF1Rt1ARp/9BETNEVf
- miro-verification=db1b18b5e90e81ce5b3d98f141b14c476115455a
- atlassian-sending-domain-verification=8c0a2aa5-0187-44c0-be7f-cb4333f0447b
- nordpass-domain-verification=d20b98d3cd724e138a699ab42b0a8268
- SPFv=spf1 mx a a:asb.custdnw.net a:as6.custdnw.net a:as6.mailrelaypro.net ip4:194.147.131.41 ip4:85.13.161.37 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.academymaker.de include:spf.mailjet.com -all
- globalsign-domain-verification=9B2BEDF2BDB39C5359299AFC66460757
- MS=ms30241341
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