Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
btg-feldberg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 19:57:11 UTC · ↺ Refresh
MX Hostnames
- btgfeldberg-de0i.mail.protection.outlook.com
MX Priorities
- btgfeldberg-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 185.88.212.213 ↩ srv-a-io.c-856.maxcluster.net
Mail Server IPs
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.181.156 ↩ mail-wa4pr05cu00104.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1119.ui-dns.de hostmaster.1und1.de 2016110285 28800 7200 604800 300
Primary NS (mname)
ns1119.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2016110285
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1119.ui-dns.com
ns1119.ui-dns.biz
ns1119.ui-dns.de
ns1119.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.109.181.194/32 ip4:10.41.46.56/32 include:spf.protection.outlook.com include:144157091.spf06.hubspotemail.net include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ 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
✗ None detectedNo 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
3 records- apple-domain-verification=K3IGiB8M1tqIMGvN
- MS=E98F68C9B3EE5BE2AFAB01BA627F16598654CB1A
- SPFv=spf1 ip4:185.109.181.194/32 ip4:10.41.46.56/32 include:spf.protection.outlook.com include:144157091.spf06.hubspotemail.net include:spf-de.emailsignatures365.com -all
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