qr.dev - dns.ninja
qr.dev
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 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.qr.dev2026-02-19 → 2026-08-10 · 2 obs
● 2026-08-10 11:08:54
●NSns2.qr.dev2026-02-19 → 2026-08-10 · 2 obs
● 2026-08-10 11:08:54
●NSns3.qr.dev2026-02-19 → 2026-08-10 · 2 obs
● 2026-08-10 11:08:54
●NSns4.qr.dev2026-02-19 → 2026-08-10 · 2 obs
● 2026-08-10 11:08:54
●MXmail.protonmail.ch2026-02-19 → 2026-08-10 · 2 obs
● 2026-08-10 11:08:54
●MXmailsec.protonmail.ch2026-02-19 → 2026-08-10 · 2 obs
● 2026-08-10 11:08:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| qr.dev | ns4.qr.dev, ns3.qr.dev, ns1.qr.dev, ns2.qr.dev | 8 records |
✅ Authoritative Response
Server:205.251.196.225
NS records: ns4.qr.dev, ns3.qr.dev, ns1.qr.dev, ns2.qr.dev
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 352ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.qr.dev, ns2.qr.dev... |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 2 | protonmail-verification=95a4bb2c52074622, v=spf1 include:_spf.protonmail.ch mx ~al |
| SOA | 1 | ns1.qr.dev admin.qr.dev |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (ns3.qr.dev, ns3.qr.dev, ns4.qr.dev...)
Analysis
Hierarchy
qr.dev serves as the parent of ns3.qr.dev, ns1.qr.dev, ns2.qr.dev and ns4.qr.dev.
Name Servers
The authoritative name servers for qr.dev are ns1.qr.dev, ns2.qr.dev, ns3.qr.dev and ns4.qr.dev.
ns1.qr.dev, ns2.qr.dev, ns3.qr.dev and ns4.qr.dev all point to exactly two IP numbers each: ns1.qr.dev → 205.251.195.38 and 2600:9000:5303:2600::1; ns2.qr.dev → 205.251.199.146 and 2600:9000:5307:9200::1; ns3.qr.dev → 205.251.196.225 and 2600:9000:5304:e100::1; ns4.qr.dev → 205.251.193.180 and 2600:9000:5301:b400::1.
Mail Servers
Mail for qr.dev is handled by two mail servers — mail.protonmail.ch and mailsec.protonmail.ch.
qr.dev uses an identical mail server configuration to several other domains — among them got.am, chrisnicholas.io, bluegoosesystems.co.uk and two more.
qr.dev has at least partial mail server overlap with other domains such as bykrs.com, creativeobjects.net, fossler.co and two more.
mail.protonmail.ch and mailsec.protonmail.ch each have three IP addresses — mail.protonmail.ch directs to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch directs to 176.119.200.129, 185.70.42.129 and 185.205.70.129.