blockcdn.dev - robtex.com
blockcdn.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1248.awsdns-28.org ⭐ | ||||||
| A | 2600:9000:5304:e000::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1248.awsdns-28.org | ||||||
| A | 205.251.196.224🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1248.awsdns-28.org | ||||||
| NS | ns-1816.awsdns-35.co.uk | ||||||
| A | 2600:9000:5307:1800::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1816.awsdns-35.co.uk | ||||||
| A | 205.251.199.24🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1816.awsdns-35.co.uk | ||||||
| NS | ns-311.awsdns-38.com | ||||||
| A | 2600:9000:5301:3700::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-311.awsdns-38.com | ||||||
| A | 205.251.193.55🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-311.awsdns-38.com | ||||||
| NS | ns-810.awsdns-37.net | ||||||
| A | 2600:9000:5303:2a00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-810.awsdns-37.net | ||||||
| A | 205.251.195.42🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-810.awsdns-37.net | ||||||
| SOA | ns-1248.awsdns-28.orgops+dns@squareup.com serial=1 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns-1248.awsdns-28.org2026-08-19 → 2026-08-22 · 2 obs
● 2026-08-22 16:25:32
●NSns-1816.awsdns-35.co.uk2026-08-19 → 2026-08-22 · 2 obs
● 2026-08-22 16:25:32
●NSns-311.awsdns-38.com2026-08-19 → 2026-08-22 · 2 obs
● 2026-08-22 16:25:32
●NSns-810.awsdns-37.net2026-08-19 → 2026-08-22 · 2 obs
● 2026-08-22 16:25:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| blockcdn.dev | ns-810.awsdns-37.net, ns-311.awsdns-38.com, ns-1248.awsdns-28.org, ns-1816.awsdns-35.co.uk | - |
✅ Authoritative Response
Server:205.251.193.55
NS records: ns-810.awsdns-37.net, ns-311.awsdns-38.com, ns-1248.awsdns-28.org, ns-1816.awsdns-35.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 1184ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1248.awsdns-28.org, ns-1816.awsdns-35.co.uk... |
| SOA | 1 | ns-1248.awsdns-28.org ops+dns.squareup.c |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
Name Servers
The NS records for blockcdn.dev point to four name servers: ns-311.awsdns-38.com, ns-810.awsdns-37.net, ns-1248.awsdns-28.org and ns-1816.awsdns-35.co.uk.
There is at least partial name server overlap between blockcdn.dev and other domains — sayitwithcelebrations.com, wrightbrand.com, connect-secure-wellsfargo.com and two more among them.
All four hostnames — ns-311.awsdns-38.com, ns-810.awsdns-37.net, ns-1248.awsdns-28.org and ns-1816.awsdns-35.co.uk — resolve to two IP numbers apiece: ns-311.awsdns-38.com to 205.251.193.55 and 2600:9000:5301:3700::1; ns-810.awsdns-37.net to 205.251.195.42 and 2600:9000:5303:2a00::1; ns-1248.awsdns-28.org to 205.251.196.224 and 2600:9000:5304:e000::1; ns-1816.awsdns-35.co.uk to 205.251.199.24 and 2600:9000:5307:1800::1.