thunderbird.dev - robtex.com
thunderbird.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1199.awsdns-21.org ⭐ | ||||||
| A | 2600:9000:5304:af00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1199.awsdns-21.org | ||||||
| A | 205.251.196.175🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1199.awsdns-21.org | ||||||
| NS | ns-1805.awsdns-33.co.uk | ||||||
| A | 2600:9000:5307:d00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1805.awsdns-33.co.uk | ||||||
| A | 205.251.199.13🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1805.awsdns-33.co.uk | ||||||
| NS | ns-399.awsdns-49.com | ||||||
| A | 2600:9000:5301:8f00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-399.awsdns-49.com | ||||||
| A | 205.251.193.143🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-399.awsdns-49.com | ||||||
| NS | ns-760.awsdns-31.net | ||||||
| A | 2600:9000:5302:f800::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-760.awsdns-31.net | ||||||
| A | 205.251.194.248🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-760.awsdns-31.net | ||||||
| SOA | ns-1199.awsdns-21.orgawsdns-hostmaster@amazon.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
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DNS History
4 records (4 active, 0 former)
●NSns-1199.awsdns-21.org2026-08-28 → 2026-09-06 · 2 obs
● 2026-09-06 09:20:58
●NSns-1805.awsdns-33.co.uk2026-08-28 → 2026-09-06 · 2 obs
● 2026-09-06 09:20:58
●NSns-399.awsdns-49.com2026-08-28 → 2026-09-06 · 2 obs
● 2026-09-06 09:20:58
●NSns-760.awsdns-31.net2026-08-28 → 2026-09-06 · 2 obs
● 2026-09-06 09:20:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| thunderbird.dev | ns-760.awsdns-31.net, ns-1199.awsdns-21.org, ns-1805.awsdns-33.co.uk, ns-399.awsdns-49.com | - |
✅ Authoritative Response
Server:205.251.199.13
NS records: ns-760.awsdns-31.net, ns-1199.awsdns-21.org, ns-1805.awsdns-33.co.uk, ns-399.awsdns-49.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thunderbird.dev (unsigned zone)
⏱️ Timing
Total: 461ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1199.awsdns-21.org, ns-1805.awsdns-33.co.uk... |
| SOA | 1 | ns-1199.awsdns-21.org awsdns-hostmaster. |
Analysis
Name Servers
The domain thunderbird.dev is delegated to these four name servers: ns-399.awsdns-49.com, ns-760.awsdns-31.net, ns-1199.awsdns-21.org and ns-1805.awsdns-33.co.uk.
thunderbird.dev partially shares its NS delegation with several other domains, including riyalak.me, 135.53.13.in-addr.arpa, securityinnovation.org and two others.
The name servers ns1-24-eu-north-1.ec2-rdns.amazonaws.com, ns2-24-eu-north-1.ec2-rdns.amazonaws.com, ns3-24-eu-north-1.ec2-rdns.amazonaws.com and ns4-24-eu-north-1.ec2-rdns.amazonaws.com are often found in use alongside these name servers.
ns-399.awsdns-49.com, ns-760.awsdns-31.net, ns-1199.awsdns-21.org and ns-1805.awsdns-33.co.uk each carry two IP addresses. ns-399.awsdns-49.com has 205.251.193.143 and 2600:9000:5301:8f00::1; ns-760.awsdns-31.net has 205.251.194.248 and 2600:9000:5302:f800::1; ns-1199.awsdns-21.org has 205.251.196.175 and 2600:9000:5304:af00::1; ns-1805.awsdns-33.co.uk has 205.251.199.13 and 2600:9000:5307:d00::1.