dertecs.com - robtex.com
dertecs.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.159.63🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | www63sni.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.dertecs.com ⭐ | ||||||
| A | 81.19.149.25🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail12.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-03-19 #26 | ||||||
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=1778310776 | ||||||
Subdomains
mail.dertecs.com |
Same first word
dertecs.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.world4you.at2018-10-02 → 2026-05-09 · 2 obs
● 2026-05-09 07:35:06
●NSns2.world4you.at2018-10-02 → 2026-05-09 · 2 obs
● 2026-05-09 07:35:06
●MXmail.dertecs.com2018-10-02 → 2026-05-09 · 2 obs
● 2026-05-09 07:35:06
○A81.19.145.832018-10-02 → 2018-10-02 · 3 obs
○ 2026-02-20 22:41:04
○ 2026-05-09 07:35:06
●A81.19.159.632026-02-20 → 2026-05-09 · 3 obs
● 2026-02-20 22:41:04
● 2026-05-09 07:35:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| dertecs.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 dertecs.com (unsigned zone)
⏱️ Timing
Total: 484ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.159.63 |
| NS | 2 | ns1.world4you.at, ns2.world4you.at |
| MX | 1 | mail.dertecs.com (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
dertecs.com is the parent of mail.dertecs.com.
IP Addresses
dertecs.com points to IP number 81.19.159.63.
For instance, other host names www.sommeregg.at, noricapellets.com, normann-engineering.com, biodiversityaustria.at and dr-hofer.at share IP numbers with dertecs.com.
Name Servers
dertecs.com is delegated to two name servers: ns1.world4you.at and ns2.world4you.at.
dertecs.com uses the same name server setup as other domains such as itls.or.at, naturkiste.at, holzwaren-neuwirth.at, seppbauer.at and daniellehner.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
dertecs.com is handled by a single mail server, mail.dertecs.com.
mail.dertecs.com points to a single IP: 81.19.149.25.