biwei881.com - robtex.com
biwei881.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 2019-08-13 #43 | ||||||
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=1785835562 | ||||||
Same first word
biwei881.com |
Similar names
DNS History
6 records (5 active, 1 former)
●NSpdns73.ultradns.biz2019-12-18 → 2026-08-04 · 2 obs
● 2026-08-04 09:51:24
●NSpdns73.ultradns.com2019-12-18 → 2026-08-04 · 2 obs
● 2026-08-04 09:51:24
●NSpdns73.ultradns.net2019-12-18 → 2026-08-04 · 2 obs
● 2026-08-04 09:51:24
●NSpdns73.ultradns.org2019-12-18 → 2026-08-04 · 2 obs
● 2026-08-04 09:51:24
○A165.84.232.252019-12-18 → 2019-12-18 · 3 obs
○ 2026-08-01 23:41:34
○ 2026-08-04 09:51:24
●A175.29.111.1942026-08-01 → 2026-08-04 · 3 obs
● 2026-08-01 23:41:34
● 2026-08-04 09:51:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| biwei881.com | pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz | 2 records |
✅ Authoritative Response
Server:156.154.65.73
NS records: pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biwei881.com (unsigned zone)
⏱️ Timing
Total: 1962ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 175.29.111.194 |
| 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
biwei881.com points to a single IP number: 175.29.111.194.
Additional host names — b817w.com, cn6687.com, biwei661.com and two others — share IP numbers with biwei881.com.
Name Servers
biwei881.com has four authoritative name servers: pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org.
biwei881.com partially shares its NS delegation with several other domains, including industrytransparency.ca, aptpassage.com, payemcor.com and two others.
These name servers are regularly seen alongside pdns73.ultradns.info and pdns73.ultradns.co.uk as name servers.
pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org each carry two IP addresses. pdns73.ultradns.biz has 156.154.66.73 and 2610:a1:1015::6d; pdns73.ultradns.com has 156.154.64.73 and 2001:502:f3ff::6d; pdns73.ultradns.net has 156.154.65.73 and 2610:a1:1014::6d; pdns73.ultradns.org has 156.154.67.73 and 2001:502:4612::6d.