biwei887.com - robtex.com
biwei887.com
| 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 2020-02-25 #28 | ||||||
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=1785785917 | ||||||
Same first word
biwei887.com |
Similar names
DNS History
9 records (5 active, 4 former)
○NSns47.domaincontrol.com2019-12-18 → 2019-12-18 · 3 obs
○ 2026-08-02 20:45:16
○ 2026-08-03 19:46:40
○NSns48.domaincontrol.com2019-12-18 → 2019-12-18 · 3 obs
○ 2026-08-02 20:45:16
○ 2026-08-03 19:46:40
●NSpdns73.ultradns.biz2026-08-02 → 2026-08-03 · 3 obs
● 2026-08-02 20:45:16
● 2026-08-03 19:46:40
●NSpdns73.ultradns.com2026-08-02 → 2026-08-03 · 3 obs
● 2026-08-02 20:45:16
● 2026-08-03 19:46:40
●NSpdns73.ultradns.net2026-08-02 → 2026-08-03 · 3 obs
● 2026-08-02 20:45:16
● 2026-08-03 19:46:40
●NSpdns73.ultradns.org2026-08-02 → 2026-08-03 · 3 obs
● 2026-08-02 20:45:16
● 2026-08-03 19:46:40
○A165.84.232.302019-12-18 → 2019-12-18 · 3 obs
○ 2026-08-02 20:45:16
○ 2026-08-03 19:46:40
○A172.65.174.1592026-08-02 → 2026-08-02 · 4 obs
● 2026-08-02 20:45:16
○ 2026-08-03 19:46:38
○ 2026-08-03 19:46:40
●A175.29.111.1942026-08-03 → 2026-08-03 · 3 obs
● 2026-08-03 19:46:38
● 2026-08-03 19:46:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| biwei887.com | pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz | 2 records |
✅ Authoritative Response
Server:156.154.66.73
NS records: pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biwei887.com (unsigned zone)
⏱️ Timing
Total: 2393ms | 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 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns73.ultradns.com, pdns73.ultradns.com)
Analysis
IP Addresses
biwei887.com points to a single IP number: 175.29.111.194.
Additional host names — biwei885.com, bway668.com, 2765523.com and two others — share IP numbers with biwei887.com.
Name Servers
biwei887.com has four authoritative name servers: pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org.
There is at least partial name server overlap between biwei887.com and other domains — uplink.eyeo.it, strident-improvement.com, deafening-substance.pro and two more among them.
These name servers frequently co-occur with the name servers pdns73.ultradns.info and pdns73.ultradns.co.uk.
All four hostnames — pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org — resolve to two IP numbers apiece: pdns73.ultradns.biz to 156.154.66.73 and 2610:a1:1015::6d; pdns73.ultradns.com to 156.154.64.73 and 2001:502:f3ff::6d; pdns73.ultradns.net to 156.154.65.73 and 2610:a1:1014::6d; pdns73.ultradns.org to 156.154.67.73 and 2001:502:4612::6d.