Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ista.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 02:32:13 UTC · ↺ Refresh
MX Hostnames
- ista-de.mail.protection.outlook.com
MX Priorities
- ista-de.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.2.216 (no PTR)
- 151.101.194.216 (no PTR)
- 151.101.66.216 (no PTR)
- 151.101.130.216 (no PTR)
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net hostmaster.twt.de 2025122214 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@twt.de
Serial
2025122214
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
b.ns14.net
c.ns14.net
d.ns14.net
a.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ista.com ip4:195.234.133.0/24 ip4:217.79.222.101 include:mail.zendesk.com include:_spf.jpberlin.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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
20 records- google-gws-recovery-domain-verification=52897212
- teamviewer-sso-verification=e384bb9f0b1147f88ba4a6fb187fb1ce
- iid-domain-verification=c192b8af-ca2a-4efd-b94f-3a39e2dd7450
- miro-verification=69b3945f40f46a1ca3b4e16fe58d049fea55422d
- jIg6rJFAgL98avOMBzRXsAq0Tvknqnub0Mx+OxnZh9Va7+Vg1mamT10pDYK45zQMYPEvCoY8EqfBxj+EXRDJFQ==
- apple-domain-verification=t6zVgdOZA6a9MzNQ
- anthropic-domain-verification-2xexf2=O0DXdB4CRG8k510Cujta5qUlW
- figma-domain-verification=a8f3b75de8ea36cad824cc1240fb33264aa33aea8414cc1f42f55014dd28eaf5-1758098594
- MS=7FC66FE4EFD28B386C6A992EE55654CEAC295E98
- google-site-verification=TzY7WbA86kUThDjR46_jWF3D-9d08QYpWh2JWEF_m1Y
- google-site-verification=Aq34SQr-ORPDZHgOMzOCRrVXDe5jo5Wv-dFCcABCnVU
- atlassian-domain-verification=U4aJEdyz2FaexLjZKG6lqux48vzqPRMukPBaizdZ7T4an3BRBGsKZIrVSn78pELg
- d365mktkey=38fPob06dvvsyOMxCKbZNxxG0ttxQgdX5hA8IMoLxL8x
- openai-domain-verification=dv-TaDdEQ1AGbweaUAJabDeqbOT
- d365mktkey=wqMc5413t73AxgfvK9XkWGY82jVJBW1nDfNc2yz6Jssx
- MS=ms11795997
- d365mktkey=dg7rCo3MSt5cOqmKDbpXBDtOSoNSqE60VxmVryClsoMx
- d365mktkey=pxFrlW7NyVH9PoQZk2CXqw0eEB2tBrYd1r089zCdxvAx
- flexera-domain-verification-hsefseonksofwnpe
- SPFv=spf1 include:spf.ista.com ip4:195.234.133.0/24 ip4:217.79.222.101 include:mail.zendesk.com include:_spf.jpberlin.de -all
Full email verification for ista.de
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