b-18.app - robtex.com
b-18.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 175.29.111.194🇧🇩 synertech175.29.111.0/24 Access Telecom (BD) Ltd Suite 901 Concord Tower 113 Kazi Nazrul Islam Avenue | ||||||
| NS | pdns73.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::6d🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns73.ultradns.com | ||||||
| A | 156.154.64.73🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns73.ultradns.com | ||||||
| NS | pdns73.ultradns.biz | ||||||
| A | 2610:a1:1015::6d🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns73.ultradns.biz | ||||||
| A | 156.154.66.73🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns73.ultradns.biz | ||||||
| NS | pdns73.ultradns.net | ||||||
| A | 2610:a1:1014::6d🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns73.ultradns.net | ||||||
| A | 156.154.65.73🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns73.ultradns.net | ||||||
| NS | pdns73.ultradns.org | ||||||
| A | 2001:502:4612::6d🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns73.ultradns.org | ||||||
| A | 156.154.67.73🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns73.ultradns.org | ||||||
| SOA | pdns73.ultradns.cominfra@nettium.net 2021-07-01 #35 | ||||||
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
DNS History
5 records (5 active, 0 former)
●NSpdns73.ultradns.biz2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 09:38:52
●NSpdns73.ultradns.com2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 09:38:52
●NSpdns73.ultradns.net2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 09:38:52
●NSpdns73.ultradns.org2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 09:38:52
●A175.29.111.1942026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 09:38:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| b-18.app | pdns73.ultradns.biz, pdns73.ultradns.org, pdns73.ultradns.net, pdns73.ultradns.com | - |
✅ Authoritative Response
Server:156.154.64.73
NS records: pdns73.ultradns.biz, pdns73.ultradns.org, pdns73.ultradns.net, pdns73.ultradns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b-18.app (unsigned zone)
⏱️ Timing
Total: 712ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.65.174.159 |
| NS | 4 | pdns73.ultradns.biz, pdns73.ultradns.com... |
| SOA | 1 | pdns73.ultradns.com infra.nettium.net |
Analysis
IP Addresses
b-18.app resolves to just one IP address, 175.29.111.194.
Two other host names, along with cn6680.com, bwei70.com and 167701.com, also share IP numbers with b-18.app.
Name Servers
The NS records for b-18.app point to four name servers: pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org.
b-18.app shares at least some of its name servers with other domains, including wise-bend.pro, myfunhelp.com, ca596.com and two others.
These name servers are frequently seen alongside the name servers pdns73.ultradns.info, pdns73.ultradns.co.uk, udns1.ultradns.net and udns2.ultradns.net.
The host names pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org each resolve to two IP addresses: pdns73.ultradns.biz resolves to 156.154.66.73 and 2610:a1:1015::6d; pdns73.ultradns.com resolves to 156.154.64.73 and 2001:502:f3ff::6d; pdns73.ultradns.net resolves to 156.154.65.73 and 2610:a1:1014::6d; pdns73.ultradns.org resolves to 156.154.67.73 and 2001:502:4612::6d.