Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
dlr-gfr.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 19:07:18 UTC · ↺ Refresh
MX Hostnames
- dlrgfr-de0i.mail.protection.outlook.com
MX Priorities
- dlrgfr-de0i.mail.protection.outlook.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.185.24 ↩ mail-zrxpr07cu00100.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca48::12 ↩ mail-miypr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca48::8 ↩ mail-miypr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns01.dlr-gfr.net it-support.dlr-gfr.de 2026020204 10800 3600 604800 3600
Primary NS (mname)
dns01.dlr-gfr.net
Admin Email (rname)
it-support@dlr-gfr.de
Serial
2026020204
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
robotns3.second-ns.com
dns01.dlr-gfr.net
ns1.first-ns.de
robotns2.second-ns.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]; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- MS=A3504068C3B6357064205BCDB87AC875DC9B94AD
- TV3ZuVq0LlQhPKPwYW/CP55PZAJzkz9LKAaVthVTydk2vS+QDuk/IO+dYXCJfckYgAK9eBrNtJJT3O48Tu39HQ==
- SPFv=spf1 include:spf.protection.outlook.com -all
- HARICA-iXy3PiRDPwZq37ZqRv5
- Hgx3HHwANWoTg0XG4i1IdUet3J+vOdo7JlfXGu9xhejcx1yDMjGQfGu7VTFbmZhXw9lDgZxU3mPfwy/H2fKk0Q==
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