nb558.app - robtex.com
nb558.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.65.253.211🇺🇸 Cloudflare172.65.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | edns6.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::206🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | edns6.ultradns.com | ||||||
| A | 204.74.66.6🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar | ||||||
| PTR | edns6.ultradns.com | ||||||
| NS | edns6.ultradns.biz | ||||||
| A | 2610:a1:1015::206🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | edns6.ultradns.biz | ||||||
| A | 204.74.67.6🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar | ||||||
| PTR | edns6.ultradns.biz | ||||||
| NS | edns6.ultradns.net | ||||||
| A | 2610:a1:1014::206🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | edns6.ultradns.net | ||||||
| A | 204.74.110.6🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar | ||||||
| PTR | edns6.ultradns.net | ||||||
| NS | edns6.ultradns.org | ||||||
| A | 2001:502:4612::206🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | edns6.ultradns.org | ||||||
| A | 204.74.111.6🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar | ||||||
| PTR | edns6.ultradns.org | ||||||
| SOA | edns6.ultradns.comadmin@189jolin.com 2024-02-22 #7 | ||||||
app
| 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=101427 | ||||||
🔒 HSTS Preload (+subdomains)
Same first word
nb558.app |
Similar names
DNS History
5 records (5 active, 0 former)
●NSedns6.ultradns.biz2026-08-02 → 2026-08-03 · 2 obs
● 2026-08-03 22:10:12
●NSedns6.ultradns.com2026-08-02 → 2026-08-03 · 2 obs
● 2026-08-03 22:10:12
●NSedns6.ultradns.net2026-08-02 → 2026-08-03 · 2 obs
● 2026-08-03 22:10:12
●NSedns6.ultradns.org2026-08-02 → 2026-08-03 · 2 obs
● 2026-08-03 22:10:12
●A172.65.253.2112026-08-02 → 2026-08-03 · 2 obs
● 2026-08-03 22:10:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | 10 records |
| nb558.app | edns6.ultradns.org, edns6.ultradns.com, edns6.ultradns.biz, edns6.ultradns.net | - |
✅ Authoritative Response
Server:204.74.110.6
NS records: edns6.ultradns.org, edns6.ultradns.com, edns6.ultradns.biz, edns6.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nb558.app (unsigned zone)
⏱️ Timing
Total: 771ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.65.253.211 |
| NS | 4 | edns6.ultradns.biz, edns6.ultradns.com... |
| SOA | 1 | edns6.ultradns.com admin.189jolin.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
nb558.app has exactly one IP address — 172.65.253.211.
nb1386.com, nb116.app, fi8869.com plus two other host names have IP numbers in common with nb558.app.
Name Servers
Four name servers handle the delegation for nb558.app: edns6.ultradns.biz, edns6.ultradns.com, edns6.ultradns.net and edns6.ultradns.org.
nb558.app shares at least some of its name servers with other domains, including qq562.com, d5555.co, jypcapp04.com and two others.
These name servers are frequently seen alongside cecelia.ns.cloudflare.com, dakota.ns.cloudflare.com, drake.ns.cloudflare.com and 5 other name servers.
The host names edns6.ultradns.biz, edns6.ultradns.com, edns6.ultradns.net and edns6.ultradns.org each resolve to two IP addresses: edns6.ultradns.biz resolves to 204.74.67.6 and 2610:a1:1015::206; edns6.ultradns.com resolves to 204.74.66.6 and 2001:502:f3ff::206; edns6.ultradns.net resolves to 204.74.110.6 and 2610:a1:1014::206; edns6.ultradns.org resolves to 204.74.111.6 and 2001:502:4612::206.