albert-koch.com - robtex.com
albert-koch.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.159.94🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | www94sni.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.albert-koch.com ⭐ | ||||||
| A | 81.19.149.82🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail27.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-02-21 #39 | ||||||
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=1785802622 | ||||||
Subdomains
mail.albert-koch.com |
Same first word
albert-koch.com |
albert-koch.de |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.world4you.at2015-06-04 → 2026-08-04 · 2 obs
● 2026-08-04 00:19:46
●NSns2.world4you.at2015-06-04 → 2026-08-04 · 2 obs
● 2026-08-04 00:19:46
●MXmail.albert-koch.com2015-06-04 → 2026-08-04 · 2 obs
● 2026-08-04 00:19:46
○A81.19.145.1642015-06-04 → 2017-08-15 · 4 obs
● 2017-08-15 03:41:06
○ 2026-04-04 03:37:00
○ 2026-08-04 00:19:46
●A81.19.159.942026-04-04 → 2026-08-04 · 3 obs
● 2026-04-04 03:37:00
● 2026-08-04 00:19:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| albert-koch.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 albert-koch.com (unsigned zone)
⏱️ Timing
Total: 364ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.159.94 |
| NS | 2 | ns2.world4you.at, ns1.world4you.at |
| MX | 1 | mail.albert-koch.com (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
mail.albert-koch.com is delegated beneath albert-koch.com.
IP Addresses
albert-koch.com has exactly one IP address — 81.19.159.94.
le-be.at, haus-habetseder.at, geposol.at plus two other host names have IP numbers in common with albert-koch.com.
Name Servers
albert-koch.com has two authoritative name servers — ns1.world4you.at and ns2.world4you.at.
The name server configuration of albert-koch.com is shared with other domains, for instance tonilegensteincatering.at, jhg-west.at, holztransport.info and two others.
Both ns1.world4you.at and ns2.world4you.at have two IP addresses each. ns1.world4you.at resolves to 185.132.32.253 and 2607:f1c0:fe:53:185:132:32:253; ns2.world4you.at resolves to 217.160.82.253 and 2001:8d8:fe:53:217:160:82:253.
Mail Servers
albert-koch.com uses one mail server — mail.albert-koch.com.
mail.albert-koch.com points to one IP number — 81.19.149.82.