topcoder.ch - dns.ninja
topcoder.ch
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1598.awsdns-07.co.uk ⭐ | ||||||
| A | 2600:9000:5306:3e00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1598.awsdns-07.co.uk | ||||||
| A | 205.251.198.62🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1598.awsdns-07.co.uk | ||||||
| NS | ns-1503.awsdns-59.org | ||||||
| A | 2600:9000:5305:df00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1503.awsdns-59.org | ||||||
| A | 205.251.197.223🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1503.awsdns-59.org | ||||||
| NS | ns-474.awsdns-59.com | ||||||
| A | 2600:9000:5301:da00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-474.awsdns-59.com | ||||||
| A | 205.251.193.218🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-474.awsdns-59.com | ||||||
| NS | ns-684.awsdns-21.net | ||||||
| A | 2600:9000:5302:ac00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-684.awsdns-21.net | ||||||
| A | 205.251.194.172🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-684.awsdns-21.net | ||||||
| SOA | ns-1598.awsdns-07.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
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 2026-06-04 #36 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSns-1503.awsdns-59.org2026-03-03 → 2026-06-04 · 3 obs
● 2026-03-03 23:53:04
● 2026-06-04 16:25:56
●NSns-1598.awsdns-07.co.uk2026-03-03 → 2026-06-04 · 3 obs
● 2026-03-03 23:53:04
● 2026-06-04 16:25:56
●NSns-474.awsdns-59.com2026-03-03 → 2026-06-04 · 3 obs
● 2026-03-03 23:53:04
● 2026-06-04 16:25:56
●NSns-684.awsdns-21.net2026-03-03 → 2026-06-04 · 3 obs
● 2026-03-03 23:53:04
● 2026-06-04 16:25:56
○NSns1.eurodns.com2015-05-16 → 2015-10-16 · 4 obs
● 2015-10-16 07:08:20
○ 2026-03-03 23:53:04
○ 2026-06-04 16:25:56
○NSns2.eurodns.com2015-05-16 → 2015-10-16 · 4 obs
● 2015-10-16 07:08:20
○ 2026-03-03 23:53:04
○ 2026-06-04 16:25:56
○MXmail.topcoder.ch2015-05-16 → 2015-10-16 · 4 obs
● 2015-10-16 07:08:20
○ 2026-03-03 23:53:04
○ 2026-06-04 16:25:56
○A80.92.65.1442015-05-16 → 2015-10-16 · 4 obs
● 2015-10-16 07:08:20
○ 2026-03-03 23:53:04
○ 2026-06-04 16:25:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | f.nic.ch, a.nic.ch, b.nic.ch, d.nic.ch... | - |
| topcoder.ch | ns-474.awsdns-59.com, ns-684.awsdns-21.net, ns-1503.awsdns-59.org, ns-1598.awsdns-07.co.uk | - |
✅ Authoritative Response
Server:205.251.198.62
NS records: ns-474.awsdns-59.com, ns-684.awsdns-21.net, ns-1503.awsdns-59.org, ns-1598.awsdns-07.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for topcoder.ch (unsigned zone)
⏱️ Timing
Total: 709ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1503.awsdns-59.org, ns-1598.awsdns-07.co.uk... |
| SOA | 1 | ns-1598.awsdns-07.co.uk awsdns-hostmaste |
Analysis
Name Servers
The DNS delegation for topcoder.ch covers 4 name servers — ns-474.awsdns-59.com, ns-684.awsdns-21.net, ns-1503.awsdns-59.org and ns-1598.awsdns-07.co.uk.
The name servers of topcoder.ch overlap at least partially with those of other domains — among them 123bus.jp, vmtech.biz, network.com.ar and two more.
Each of the four hosts ns-474.awsdns-59.com, ns-684.awsdns-21.net, ns-1503.awsdns-59.org and ns-1598.awsdns-07.co.uk has two IP addresses. ns-474.awsdns-59.com points to 205.251.193.218 and 2600:9000:5301:da00::1. ns-684.awsdns-21.net points to 205.251.194.172 and 2600:9000:5302:ac00::1. ns-1503.awsdns-59.org points to 205.251.197.223 and 2600:9000:5305:df00::1. ns-1598.awsdns-07.co.uk points to 205.251.198.62 and 2600:9000:5306:3e00::1.