centre4.at - robtex.com
centre4.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.154.98🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | redirect01.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.centre4.at ⭐ | ||||||
| A | 81.19.149.70🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail20.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-03-18 #11 | ||||||
at
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.at ⭐ | ||||||
| NS | d.ns.at | ||||||
| NS | j.ns.at | ||||||
| NS | n.ns.at | ||||||
| NS | ns1.univie.ac.at | ||||||
| NS | ns2.univie.ac.at | ||||||
| NS | r.ns.at | ||||||
| NS | u.ns.at | ||||||
| SOA | dns.nic.atdomain-admin@univie.ac.at serial=1777096802 | ||||||
Subdomains
mail.centre4.at |
Same first word
centre4.at |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.world4you.at2026-04-05 → 2026-04-25 · 2 obs
● 2026-04-25 06:46:58
●NSns2.world4you.at2026-04-05 → 2026-04-25 · 2 obs
● 2026-04-25 06:46:58
●MXmail.centre4.at2026-04-05 → 2026-04-25 · 2 obs
● 2026-04-25 06:46:58
●A81.19.154.982026-04-05 → 2026-04-25 · 2 obs
● 2026-04-25 06:46:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, j.ns.at, n.ns.at, r.ns.at... | - |
| centre4.at | ns1.world4you.at, ns2.world4you.at | - |
✅ Authoritative Response
Server:217.160.82.253
NS records: ns1.world4you.at, ns2.world4you.at
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for centre4.at (unsigned zone)
⏱️ Timing
Total: 1049ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.154.98 |
| NS | 2 | ns1.world4you.at, ns2.world4you.at |
| MX | 1 | mail.centre4.at (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
centre4.at is the parent of mail.centre4.at.
IP Addresses
centre4.at points to a single IP number: 81.19.154.98.
other host names for instance 123faltenfrei.at, wientonic.com, artimeo.com, hytli.com and mostmore.at share IP numbers with centre4.at.
Name Servers
centre4.at is delegated to two name servers: ns1.world4you.at and ns2.world4you.at.
centre4.at shares the same name server setup as other domains, for example asieninwien.at, ooettv.at, allissen.com, keltendorf-mitterkirchen.at and pegasus-studio.at.
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
centre4.at is handled by a single mail server, mail.centre4.at.
Host name mail.centre4.at points to IP address 81.19.149.70.