ku4eu.com - robtex.com
ku4eu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.145.27🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | www7.world4you.com | ||||||
| NS | ns1.world4you.at ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:32:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns1.world4you.at | ||||||
| A | 185.132.32.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1.world4you.at | ||||||
| NS | ns2.world4you.at | ||||||
| A | 2001:8d8:fe:53:217:160:82:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns2.world4you.at | ||||||
| A | 217.160.82.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns2.world4you.at | ||||||
| MX | mail.ku4eu.com ⭐ | ||||||
| A | 81.19.149.28🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail13.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-03-24 #2 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778489281 | ||||||
Subdomains
mail.ku4eu.com |
Same first word
ku4eu.com |
DNS History
4 records (4 active, 0 former)
●NSns1.world4you.at2015-08-08 → 2026-05-11 · 2 obs
● 2026-05-11 09:10:58
●NSns2.world4you.at2015-08-08 → 2026-05-11 · 2 obs
● 2026-05-11 09:10:58
●MXmail.ku4eu.com2015-08-08 → 2026-05-11 · 2 obs
● 2026-05-11 09:10:58
●A81.19.145.272015-08-08 → 2026-05-11 · 2 obs
● 2026-05-11 09:10:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net... | - |
| ku4eu.com | ns1.world4you.at, ns2.world4you.at | - |
✅ Authoritative Response
Server:185.132.32.253
NS records: ns1.world4you.at, ns2.world4you.at
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ku4eu.com (unsigned zone)
⏱️ Timing
Total: 471ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.145.27 |
| NS | 2 | ns1.world4you.at, ns2.world4you.at |
| MX | 1 | mail.ku4eu.com (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
The parent of mail.ku4eu.com is ku4eu.com.
IP Addresses
ku4eu.com points to IP number: 81.19.145.27.
Other host names such as gutenbrunner.at, fotoschauer.at, i-arc.at, qr-invest.com and mantz.at share IPs with ku4eu.com.
Name Servers
ku4eu.com is delegated to two name servers: ns1.world4you.at and ns2.world4you.at.
ku4eu.com shares the same name server setup as ja-klar-yoga.at, kinderschutzhaus.at, wohlfuehlcentermurtal.at, paraski2011.at and care4coral.com.
Host names with two IP numbers: ns1.world4you.at points to: 2607:f1c0:fe:53:185:132:32:253 and 185.132.32.253; ns2.world4you.at points to: 2001:8d8:fe:53:217:160:82:253 and 217.160.82.253.
Mail Servers
ku4eu.com is handled by a single mail server, mail.ku4eu.com.
mail.ku4eu.com points to a single IP: 81.19.149.28.