Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
weltron.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 16:55:20 UTC · ↺ Refresh
MX Hostnames
- weltron-de.mail.protection.outlook.com
MX Priorities
- weltron-de.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.64 ↩ w00.rzone.de
- 2a01:238:20a:202:1064:: ↩ w00.rzone.de
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
shades12.rzone.de hostmaster.strato-rz.de 2020050618 86400 7200 604800 300
Primary NS (mname)
shades12.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050618
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades12.rzone.de
docks19.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.91.198.207 include:spf.protection.outlook.com include:143266107.spf10.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100;
⚠ 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: 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
4 records- google-site-verification=dWQQXSCtIPu1uyHQIHDSYYItqHCa6ZK3T38jvvIohvo
- include:143266107.spf10.hubspotemail.net
- linkedin-site-verification=2211bc06-4235-4f26-b13f-72c88d1a8f51
- SPFv=spf1 ip4:217.91.198.207 include:spf.protection.outlook.com include:143266107.spf10.hubspotemail.net -all
Full email verification for weltron.de
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