Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kuemmerlein.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 12:29:54 UTC · ↺ Refresh
MX Hostnames
- kuemmerlein-de.mail.protection.outlook.com
MX Priorities
- kuemmerlein-de.mail.protection.outlook.com: 0
A / AAAA Records
- 134.119.224.49 ↩ mc21638.ispgateway.de
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ 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
SOA Record
Raw SOA
ns2.binary.eu administrator.kuemmerlein.de 2026031701 10800 3600 1209600 10800
Primary NS (mname)
ns2.binary.eu
Admin Email (rname)
administrator@kuemmerlein.de
Serial
2026031701
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns2.binary.eu
ns1.key-systems.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:185.48.0.191 ip4:185.48.0.192 ip4:185.48.0.193 include:spf.protection.outlook.com include:eu.zcsend.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
5 records- MS=ms40654719
- _iw9zqxjp4ofdiqxdiyky0tg1efnltos
- SPFv=spf1 a mx ip4:185.48.0.191 ip4:185.48.0.192 ip4:185.48.0.193 include:spf.protection.outlook.com include:eu.zcsend.net -all
- ppe-9594cf16af916850561de294c4b898cb64dd516f
- swisssign-check=7JFa_Cypfwcanekn59gqjgO8Xmg
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