jsb.dev - robtex.com
jsb.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 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSdns1.registrar-servers.com2026-08-27 → 2026-09-03 · 2 obs
● 2026-09-03 23:46:58
●NSdns2.registrar-servers.com2026-08-27 → 2026-09-03 · 2 obs
● 2026-09-03 23:46:58
●MXmx01.mail.icloud.com2026-08-27 → 2026-09-03 · 2 obs
● 2026-09-03 23:46:58
●MXmx02.mail.icloud.com2026-08-27 → 2026-09-03 · 2 obs
● 2026-09-03 23:46:58
●A76.76.21.212026-08-27 → 2026-09-03 · 2 obs
● 2026-09-03 23:46:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| jsb.dev | dns2.registrar-servers.com, dns1.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns2.registrar-servers.com, dns1.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jsb.dev (unsigned zone)
⏱️ Timing
Total: 821ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 2 | mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10) |
| TXT | 2 | apple-domain=7d57U85Sty6O5YSc, v=spf1 include:icloud.com ~all |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
IP Addresses
jsb.dev has exactly one IP address — 76.76.21.21.
ryudyhqd.cn, sotavent.ai, intellinknippon.co.jp plus two other host names have IP numbers in common with jsb.dev.
Name Servers
jsb.dev has two authoritative name servers — dns1.registrar-servers.com and dns2.registrar-servers.com.
The name server configuration of jsb.dev is shared with other domains, for instance txtinsted.com, thecraftedterrier.com, cardsgenies.com and two others.
jsb.dev shares at least some of its name servers with domains including mehrvaan.com, francesmelby.com and delicious.business
Both dns1.registrar-servers.com and dns2.registrar-servers.com have two IP addresses each. dns1.registrar-servers.com resolves to 156.154.132.200 and 2610:a1:1024::200; dns2.registrar-servers.com resolves to 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
jsb.dev uses two mail servers, mx01.mail.icloud.com and mx02.mail.icloud.com.
The mail server setup of jsb.dev matches that of other domains such as hofwijksline.eu, thepangman.com, kanberagha.com and two others.
The mail servers of jsb.dev overlap at least partially with those of other domains, including kzrestore.com, pepder.dev and mortari.top.
Hosts with 6 IP addresses each:
mx01.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.
mx02.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.
The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.42.251.62 IP addresses.
The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.56.9.31 IP addresses.
The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.152.5 IP addresses.
The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.154.33 IP addresses.
The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.155.25 IP addresses.
The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.156.30 IP addresses.