fourthshift.cn - dns.ninja
fourthshift.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-869.awsdns-44.net ⭐ | ||||||
| A | 2600:9000:5303:6500::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-869.awsdns-44.net | ||||||
| A | 205.251.195.101🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-869.awsdns-44.net | ||||||
| NS | ns-1496.awsdns-59.org | ||||||
| A | 2600:9000:5305:d800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1496.awsdns-59.org | ||||||
| A | 205.251.197.216🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1496.awsdns-59.org | ||||||
| NS | ns-1892.awsdns-44.co.uk | ||||||
| A | 2600:9000:5307:6400::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1892.awsdns-44.co.uk | ||||||
| A | 205.251.199.100🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1892.awsdns-44.co.uk | ||||||
| NS | ns-80.awsdns-10.com | ||||||
| A | 2600:9000:5300:5000::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-80.awsdns-10.com | ||||||
| A | 205.251.192.80🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-80.awsdns-10.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns-869.awsdns-44.netawsdns-hostmaster@amazon.com serial=1 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034951962 | ||||||
Same first word
fourthshift.com |
fourthshift.biz |
fourthshift.cn |
DNS History
4 records (4 active, 0 former)
●NSns-1496.awsdns-59.org2026-04-15 → 2026-06-21 · 2 obs
● 2026-06-21 18:09:06
●NSns-1892.awsdns-44.co.uk2026-04-15 → 2026-06-21 · 2 obs
● 2026-06-21 18:09:06
●NSns-80.awsdns-10.com2026-04-15 → 2026-06-21 · 2 obs
● 2026-06-21 18:09:06
●NSns-869.awsdns-44.net2026-04-15 → 2026-06-21 · 2 obs
● 2026-06-21 18:09:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| fourthshift.cn | ns-80.awsdns-10.com, ns-869.awsdns-44.net, ns-1496.awsdns-59.org, ns-1892.awsdns-44.co.uk | - |
✅ Authoritative Response
Server:205.251.199.100
NS records: ns-80.awsdns-10.com, ns-869.awsdns-44.net, ns-1496.awsdns-59.org, ns-1892.awsdns-44.co.uk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 999ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1496.awsdns-59.org, ns-1892.awsdns-44.co.uk... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns-869.awsdns-44.net awsdns-hostmaster.a |
Analysis
Name Servers
fourthshift.cn has four authoritative name servers: ns-80.awsdns-10.com, ns-869.awsdns-44.net, ns-1496.awsdns-59.org and ns-1892.awsdns-44.co.uk.
fourthshift.cn has at least partial name server overlap with other domains, such as d1rvipsgqyuf5c.cloudfront.net, ssagt.com, d3nalt152c031o.cloudfront.net and two others.
ns-80.awsdns-10.com, ns-869.awsdns-44.net, ns-1496.awsdns-59.org and ns-1892.awsdns-44.co.uk all point to exactly two IP numbers each: ns-80.awsdns-10.com → 205.251.192.80 and 2600:9000:5300:5000::1; ns-869.awsdns-44.net → 205.251.195.101 and 2600:9000:5303:6500::1; ns-1496.awsdns-59.org → 205.251.197.216 and 2600:9000:5305:d800::1; ns-1892.awsdns-44.co.uk → 205.251.199.100 and 2600:9000:5307:6400::1.