Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
lri21.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 04:12:16 UTC · ↺ Refresh
MX Hostnames
- lri21-com.mail.protection.outlook.com
MX Priorities
- lri21-com.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.237 ↩ 217-160-0-237.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.185.114 ↩ mail-zrxpr04cu00102.inbound.protection.outlook.com
- 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
- 52.101.103.39 ↩ mail-miypr05cu00207.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c967::c ↩ mail-cpjpr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca48::12 ↩ mail-miypr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1058.ui-dns.biz hostmaster.1und1.com 2017060118 28800 7200 604800 600
Primary NS (mname)
ns1058.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060118
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1019.ui-dns.de
ns1058.ui-dns.biz
ns1092.ui-dns.com
ns1043.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com -all
- MS=ms48188475
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