worldclass.ch - dns.ninja
worldclass.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2600:9000:a608:76e1:dbd:84dd:75bb:2f51🇺🇸 Amazon2600:9000:a600::/43 | ||||||
| PTR | ae5f041f8efad4460.dualstack.awsglobalaccelerator.com | ||||||
| A | 76.223.112.36🇺🇸 Amazon76.223.112.0/20 | ||||||
| NS | a.gpk.eu ⭐ | ||||||
| A | 2a05:d014:a67:a290::a🇩🇪 Amazon2a05:d014:800::/38 AMAZON AWS | ||||||
| PTR | a.gpk.eu | ||||||
| A | 3.65.43.32🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix | ||||||
| PTR | a.gpk.eu | ||||||
| NS | b.gpk.eu | ||||||
| A | 2a03:b0c0:2:d0::e8c:8001🇳🇱 DIGITALOCEAN2a03:b0c0:2::/48 DigitalOcean | ||||||
| PTR | b.gpk.eu | ||||||
| A | 167.71.72.66🇳🇱 DIGITALOCEAN167.71.64.0/20 DigitalOcean | ||||||
| PTR | b.gpk.eu | ||||||
| NS | c.gpk.eu | ||||||
| A | 2a00:da00:f203:400::1🇬🇧 IONOS-AS2a00:da00:f200::/39 IONOS SE vl5.wdr.gb | ||||||
| PTR | c.gpk.eu | ||||||
| A | 82.165.4.5🇩🇪 IONOS-AS82.165.4.0/22 ionos-cloud vl5.wdr.gb | ||||||
| PTR | c.gpk.eu | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | a.gpk.eudnsmaster4@gpark.eu 2026-06-23 #2 | ||||||
ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.ch ⭐ | ||||||
| NS | b.nic.ch | ||||||
| NS | d.nic.ch | ||||||
| NS | e.nic.ch | ||||||
| NS | f.nic.ch | ||||||
| SOA | a.nic.chdns-operation@switch.ch 2026-06-25 #19 | ||||||
Subdomains
www.worldclass.ch |
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
●NSa.gpk.eu2026-03-29 → 2026-06-25 · 3 obs
● 2026-03-29 08:02:58
● 2026-06-25 08:33:22
●NSb.gpk.eu2026-03-29 → 2026-06-25 · 3 obs
● 2026-03-29 08:02:58
● 2026-06-25 08:33:22
●NSc.gpk.eu2026-03-29 → 2026-06-25 · 3 obs
● 2026-03-29 08:02:58
● 2026-06-25 08:33:22
○NSns1.golem.eu2015-05-31 → 2017-02-16 · 4 obs
● 2017-02-16 10:53:50
○ 2026-03-29 08:02:58
○ 2026-06-25 08:33:22
○NSns2.golem.eu2015-05-31 → 2017-02-16 · 4 obs
● 2017-02-16 10:53:50
○ 2026-03-29 08:02:58
○ 2026-06-25 08:33:22
○NSns3.golem.eu2015-05-31 → 2017-02-16 · 4 obs
● 2017-02-16 10:53:50
○ 2026-03-29 08:02:58
○ 2026-06-25 08:33:22
○MX.2026-03-29 → 2026-06-25 · 2 obs
○ 2026-06-25 08:33:22
○A109.235.63.1032015-05-31 → 2017-02-16 · 4 obs
● 2017-02-16 10:53:50
○ 2026-03-29 08:02:58
○ 2026-06-25 08:33:22
○A2600:9000:a608:76e1:40b:6cc5:1af9:c3f52026-03-29 → 2026-04-07 · 4 obs
● 2026-03-29 08:02:58
● 2026-04-07 04:17:58
○ 2026-06-25 08:33:22
●A2600:9000:a608:76e1:dbd:84dd:75bb:2f512026-06-25 → 2026-06-25 · 2 obs
● 2026-06-25 08:33:22
○A75.2.126.672026-03-29 → 2026-04-07 · 4 obs
● 2026-03-29 08:02:58
● 2026-04-07 04:17:58
○ 2026-06-25 08:33:22
●A76.223.112.362026-06-25 → 2026-06-25 · 2 obs
● 2026-06-25 08:33:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, f.nic.ch, d.nic.ch, a.nic.ch... | - |
| worldclass.ch | b.gpk.eu, a.gpk.eu, c.gpk.eu | - |
✅ Authoritative Response
Server:167.71.72.66
NS records: b.gpk.eu, a.gpk.eu, c.gpk.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2304ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.223.112.36 |
| AAAA | 1 | 2600:9000:a608:76e1:dbd:84dd:75bb:2f51 |
| NS | 3 | b.gpk.eu, c.gpk.eu... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | a.gpk.eu dnsmaster4.gpark.eu |
Analysis
Hierarchy
www.worldclass.ch is a subdomain of worldclass.ch.
IP Addresses
worldclass.ch points to the IP addresses 76.223.112.36 and 2600:9000:a608:76e1:dbd:84dd:75bb:2f51
Two other host names, along with elve.eu, megapixel.eu and kensington.eu, also share IP numbers with worldclass.ch.
Name Servers
The authoritative name servers for worldclass.ch are a.gpk.eu, b.gpk.eu and c.gpk.eu — three in total.
The name servers of worldclass.ch overlap at least partially with those of other domains — among them zoma.eu, mmedia.eu, semer.eu and two more.
a.gpk.eu, b.gpk.eu and c.gpk.eu all resolve to exactly two IP numbers apiece: a.gpk.eu → 3.65.43.32 and 2a05:d014:a67:a290::a; b.gpk.eu → 167.71.72.66 and 2a03:b0c0:2:d0::e8c:8001; c.gpk.eu → 82.165.4.5 and 2a00:da00:f203:400::1.