zerocools.net - robtex.com
zerocools.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.159.72🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | www72sni.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.zerocools.net ⭐ | ||||||
| A | 81.19.149.78🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail24.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-03-31 #22 | ||||||
net
| 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=1771291465 | ||||||
Subdomains
mail.zerocools.net |
Same first word
zerocools.net |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.world4you.at2015-08-17 → 2026-03-20 · 2 obs
● 2026-03-20 22:25:08
●NSns2.world4you.at2015-08-17 → 2026-03-20 · 2 obs
● 2026-03-20 22:25:08
●MXmail.zerocools.net2015-08-17 → 2026-03-20 · 2 obs
● 2026-03-20 22:25:08
○A81.19.145.1632015-08-17 → 2017-03-24 · 3 obs
● 2017-03-24 21:19:08
○ 2026-03-20 22:25:08
●A81.19.159.722026-03-20 → 2026-03-20 · 2 obs
● 2026-03-20 22:25:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | b.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net... | - |
| zerocools.net | 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 zerocools.net (unsigned zone)
⏱️ Timing
Total: 1014ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.159.72 |
| NS | 2 | ns2.world4you.at, ns1.world4you.at |
| MX | 1 | mail.zerocools.net (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
zerocools.net is the parent of mail.zerocools.net.
IP Addresses
zerocools.net resolves to a single IP address: 81.19.159.72.
Other host names including www.powerbrain.at, lerntipp.stangl-taller.at, woetzleck.at, www.pocket.at and www.freigeist-burger.at share IP numbers with zerocools.net.
Name Servers
zerocools.net's delegation uses two name servers, ns1.world4you.at and ns2.world4you.at.
zerocools.net shares the same name server setup as other domains, for example ago.at, pro-movie.at, forstservice-huber.at, vitalebetriebe.at and hallenmasters.com.
Host names with two IPs:
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
zerocools.net is handled by a single mail server, mail.zerocools.net.
mail.zerocools.net points to a single IP: 81.19.149.78.