Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rentschler.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 18:13:07 UTC · ↺ Refresh
MX Hostnames
- rentschler-de.mail.protection.outlook.com
MX Priorities
- rentschler-de.mail.protection.outlook.com: 10
A / AAAA Records
- 185.215.156.136 (no PTR)
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024092021 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024092021
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.net
ns.udag.org
ns.udag.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.rmh1.net include:spf.rmh5.net include:co-hub.de ip4:185.232.218.154 ip4:2.207.147.114 ip4:212.144.114.244 ip4:212.91.239.152 ip4:88.99.147.240 ip4:176.94.24.229 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
16 records- rnztszklngvk3hn6hx0jy6kv9jxlyb3b
- 6yrjvj7mqjd8jlxdcjtwl4vzfrjdk1t7
- kvlnvgkssqfq2n2x5jcj25yw4mr06k37
- _e1z786sl2zcz5nv9ix539db4wpcd307
- vgsmdzhvpzxq41npwcbx4pv3g1klyp1m
- zy9l5sykcy2nkt9ltr5hf2795mgcld09
- 31h8b2d6xb3kmwxw3kz1kcs11460pfzp
- j5zwyvfgmvdf481qkd5wl2sm1s1sbgbc
- H32j4bH+JHRtTdc5B5L38nwnolsE+bt75vdHzRVHvI7BkPmr9HID+h8r3qEaYfVrDg9VEzWRB+9vqnrw4Xxe/A==
- bjp6bcj8sdd3sb37qdz330szmfzfdsl0
- apple-domain-verification=Mp5vxY7ItrtUawNE
- s79513nv0d894ps3g84ysym29rvc9l8b
- MS=ms41893555
- SPFv=spf1 include:spf.protection.outlook.com include:spf.rmh1.net include:spf.rmh5.net include:co-hub.de ip4:185.232.218.154 ip4:2.207.147.114 ip4:212.144.114.244 ip4:212.91.239.152 ip4:88.99.147.240 ip4:176.94.24.229 -all
- docusign=2b4ed8db-0437-4447-b4d3-cd7c11259042
- 00rt67g7t3knjydx7tvxnvqtjt377v1d
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