Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
riv.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 09:03:36 UTC · ↺ Refresh
MX Hostnames
- riv-de.mail.protection.outlook.com
MX Priorities
- riv-de.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.199 ↩ 217-160-0-199.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.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:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1119.ui-dns.de hostmaster.schlund.de 2017051957 28800 7200 604800 300
Primary NS (mname)
ns1119.ui-dns.de
Admin Email (rname)
hostmaster@schlund.de
Serial
2017051957
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1119.ui-dns.org
ns1119.ui-dns.de
ns1119.ui-dns.com
ns1119.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 mx a:ex1.riv.de ip4:65.54.241.221 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
5 records- google-site-verification=imb_1PQ0sQREJFWlSLHzjUb_opoCLz3s2kNktXO5dFs
- SPFv=spf1 mx a:ex1.riv.de ip4:65.54.241.221 include:_spf.kundenserver.de include:spf.protection.outlook.com -all
- MS=ms55287481
- _globalsign-domain-verification=t7t-kPO6pumJ_auRJG0CoHwDVh_9N3vARUD_68fhTW
- swisssign-check=wpq15WwynqAeGoTwrGNKz6h1JMg
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