j731b.com - robtex.com
j731b.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 175.29.151.255🇺🇸 DBL-AS-AP175.29.151.0/24 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 2021-11-04 #91 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785822982 | ||||||
Same first word
j731b.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSpdns73.ultradns.biz2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 06:15:32
●NSpdns73.ultradns.com2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 06:15:32
●NSpdns73.ultradns.net2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 06:15:32
●NSpdns73.ultradns.org2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 06:15:32
●A175.29.151.2552026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 06:15:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| j731b.com | pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz | 2 records |
✅ Authoritative Response
Server:156.154.64.73
NS records: pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for j731b.com (unsigned zone)
⏱️ Timing
Total: 742ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 175.29.151.255 |
| NS | 4 | pdns73.ultradns.biz, pdns73.ultradns.com... |
| SOA | 1 | pdns73.ultradns.com infra.nettium.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns73.ultradns.com, pdns73.ultradns.com)
Analysis
IP Addresses
j731b.com resolves to one IP address: 175.29.151.255.
luckyjb8.com, j1b1.com, jbo221.com and two other host names share IP numbers with j731b.com.
Name Servers
The authoritative name servers for j731b.com are pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org.
j731b.com has at least partial name server overlap with other domains, such as biweiqiusai.com, 8855111.com, m03641.com and two others.
It is common to see these name servers used together with name servers pdns73.ultradns.info and pdns73.ultradns.co.uk.
pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org all point to exactly two IP numbers each: pdns73.ultradns.biz → 156.154.66.73 and 2610:a1:1015::6d; pdns73.ultradns.com → 156.154.64.73 and 2001:502:f3ff::6d; pdns73.ultradns.net → 156.154.65.73 and 2610:a1:1014::6d; pdns73.ultradns.org → 156.154.67.73 and 2001:502:4612::6d.