rd-sys.com - robtex.com
rd-sys.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.145.52🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | www32.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.rd-sys.com ⭐ | ||||||
| A | 81.19.149.66🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail18.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-03-26 #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=1776202047 | ||||||
Same first word
rd-sys.com |
DNS History
12 records (4 active, 8 former)
○NSns1.mydyndns.org2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-12 20:18:20
○ 2026-04-14 21:55:46
●NSns1.world4you.at2026-02-23 → 2026-04-14 · 3 obs
● 2026-02-23 21:05:42
● 2026-04-14 21:55:46
○NSns2.mydyndns.org2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-12 20:18:20
○ 2026-04-14 21:55:46
●NSns2.world4you.at2026-02-23 → 2026-04-14 · 3 obs
● 2026-02-23 21:05:42
● 2026-04-14 21:55:46
○NSns3.mydyndns.org2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-12 20:18:20
○ 2026-04-14 21:55:46
○NSns4.mydyndns.org2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-12 20:18:20
○ 2026-04-14 21:55:46
○NSns5.mydyndns.org2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-12 20:18:20
○ 2026-04-14 21:55:46
●MXmail.rd-sys.com2026-02-23 → 2026-04-14 · 3 obs
● 2026-02-23 21:05:42
● 2026-04-14 21:55:46
○MXmx1.mailhop.org2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-12 20:18:20
○ 2026-04-14 21:55:46
○MXmx2.mailhop.org2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-12 20:18:20
○ 2026-04-14 21:55:46
○A71.79.85.1682008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-12 20:18:20
○ 2026-04-14 21:55:46
●A81.19.145.522026-02-23 → 2026-04-14 · 3 obs
● 2026-02-23 21:05:42
● 2026-04-14 21:55:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| rd-sys.com | 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 rd-sys.com (unsigned zone)
⏱️ Timing
Total: 434ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.145.52 |
| NS | 2 | ns2.world4you.at, ns1.world4you.at |
| MX | 1 | mail.rd-sys.com (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
IP Addresses
rd-sys.com points to a single IP: 81.19.145.52.
Other host names, for instance bornemisza.at, siebott.com, www.dinna.at, amesmann.at and hofa.info share IP numbers with rd-sys.com.
Name Servers
rd-sys.com's delegation is to two name servers ns1.world4you.at and ns2.world4you.at.
rd-sys.com shares the same name server configuration as other domains, such as likestarter.com, gaertnerei-angerer.at, pasching.net, eess.at and artgun.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
rd-sys.com is served by a single mail server, mail.rd-sys.com.
mail.rd-sys.com points to IP number 81.19.149.66.