Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
btw-it.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 06:01:19 UTC · ↺ Refresh
MX Hostnames
- sw2.btw-cloud.de
MX Priorities
- sw2.btw-cloud.de: 10
A / AAAA Records
- 217.160.0.164 ↩ 217-160-0-164.elastic-ssl.ui-r.com
Mail Server IPs
- 178.63.206.27 ↩ sw2.btw-cloud.de
SOA Record
Raw SOA
ns1040.ui-dns.com hostmaster.1und1.de 2017062047 28800 7200 604800 300
Primary NS (mname)
ns1040.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017062047
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1040.ui-dns.org
ns1040.ui-dns.biz
ns1040.ui-dns.com
ns1040.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
✓ 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
7 records- sophos-domain-verification=929408a80471b15984d3367e2484d5b27770f9ece5c8b8731584e8b01e3bc000
- MS=ms81344819
- atlassian-domain-verification=0t1b9UgmOPlXf4brSwMZixW5aO0rssnKw06gbojakshFQvgcug9dcbTQk9KC26Ss
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=23D4CBCA6196BB80A5064C1A7FBDFE3EA755288B
- v=verifydomain MS=6080353
- google-site-verification=mjbqK1kLZe3Y33RjQzC75f-XzzUyIoSOiQsx1Z5FFB4
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