tailscale.dev - robtex.com
tailscale.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| NS | ns-1439.awsdns-51.org ⭐ | ||||||
| A | 2600:9000:5305:9f00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1439.awsdns-51.org | ||||||
| A | 205.251.197.159🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1439.awsdns-51.org | ||||||
| NS | ns-2010.awsdns-59.co.uk | ||||||
| A | 2600:9000:5307:da00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-2010.awsdns-59.co.uk | ||||||
| A | 205.251.199.218🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| NS | ns-297.awsdns-37.com | ||||||
| A | 2600:9000:5301:2900::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-297.awsdns-37.com | ||||||
| A | 205.251.193.41🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-297.awsdns-37.com | ||||||
| NS | ns-827.awsdns-39.net | ||||||
| A | 2600:9000:5303:3b00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-827.awsdns-39.net | ||||||
| A | 205.251.195.59🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns-1439.awsdns-51.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
DNS History
5 records (5 active, 0 former)
●NSns-1439.awsdns-51.org2026-05-13 → 2026-07-21 · 2 obs
● 2026-07-21 06:11:50
●NSns-2010.awsdns-59.co.uk2026-05-13 → 2026-07-21 · 2 obs
● 2026-07-21 06:11:50
●NSns-297.awsdns-37.com2026-05-13 → 2026-07-21 · 2 obs
● 2026-07-21 06:11:50
●NSns-827.awsdns-39.net2026-05-13 → 2026-07-21 · 2 obs
● 2026-07-21 06:11:50
●A76.76.21.212026-05-13 → 2026-07-21 · 2 obs
● 2026-07-21 06:11:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com... | 10 records |
| tailscale.dev | ns-827.awsdns-39.net, ns-1439.awsdns-51.org, ns-2010.awsdns-59.co.uk, ns-297.awsdns-37.com | - |
✅ Authoritative Response
Server:205.251.195.59
NS records: ns-827.awsdns-39.net, ns-1439.awsdns-51.org, ns-2010.awsdns-59.co.uk, ns-297.awsdns-37.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tailscale.dev (unsigned zone)
⏱️ Timing
Total: 421ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 4 | ns-1439.awsdns-51.org, ns-2010.awsdns-59.co.uk... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns-1439.awsdns-51.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
tailscale.dev has exactly one IP address — 76.76.21.21.
pass.ryde-go.com, bleaksword.com, beltec-e.co.jp plus two other host names have IP numbers in common with tailscale.dev.
Name Servers
Four name servers handle the delegation for tailscale.dev: ns-297.awsdns-37.com, ns-827.awsdns-39.net, ns-1439.awsdns-51.org and ns-2010.awsdns-59.co.uk.
The name servers of tailscale.dev overlap at least partially with those of other domains — among them hemair.net, princetonreview.ai, digitalhelp.digitso.be and two more.
These name servers tend to appear together with the name servers ns1-24-us-west-1.ec2-rdns.amazonaws.com, ns2-24-us-west-1.ec2-rdns.amazonaws.com and ns3-24-us-west-1.ec2-rdns.amazonaws.com, plus two others.
Each of the four hosts ns-297.awsdns-37.com, ns-827.awsdns-39.net, ns-1439.awsdns-51.org and ns-2010.awsdns-59.co.uk has two IP addresses. ns-297.awsdns-37.com points to 205.251.193.41 and 2600:9000:5301:2900::1. ns-827.awsdns-39.net points to 205.251.195.59 and 2600:9000:5303:3b00::1. ns-1439.awsdns-51.org points to 205.251.197.159 and 2600:9000:5305:9f00::1. ns-2010.awsdns-59.co.uk points to 205.251.199.218 and 2600:9000:5307:da00::1.