Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ratio-tec.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:30:19 UTC · ↺ Refresh
MX Hostnames
- ratiotec-de01c.mail.protection.outlook.com
MX Priorities
- ratiotec-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.82 ↩ 217-160-0-82.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
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1090.ui-dns.org hostmaster.1und1.de 2017051050 28800 7200 604800 300
Primary NS (mname)
ns1090.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017051050
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1090.ui-dns.org
ns1090.ui-dns.biz
ns1090.ui-dns.com
ns1090.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:78.46.1.18 ip4:178.238.225.43 include:_spf-eu.ionos.com include:spf.turbo-smtp.com include:spf.protection.outlook.com include:_spf.odoo.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ 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
2 records- v=verifydomain MS=7049132
- SPFv=spf1 ip4:78.46.1.18 ip4:178.238.225.43 include:_spf-eu.ionos.com include:spf.turbo-smtp.com include:spf.protection.outlook.com include:_spf.odoo.com -all
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