biwei880.com - robtex.com
biwei880.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 175.29.111.212🇧🇩 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=1785778652 | ||||||
Same first word
biwei880.com |
DNS History
8 records (5 active, 3 former)
●NSpdns73.ultradns.biz2026-08-01 → 2026-08-03 · 3 obs
● 2026-08-01 21:38:46
● 2026-08-03 18:02:02
●NSpdns73.ultradns.com2026-08-01 → 2026-08-03 · 3 obs
● 2026-08-01 21:38:46
● 2026-08-03 18:02:02
●NSpdns73.ultradns.net2026-08-01 → 2026-08-03 · 3 obs
● 2026-08-01 21:38:46
● 2026-08-03 18:02:02
●NSpdns73.ultradns.org2026-08-01 → 2026-08-03 · 3 obs
● 2026-08-01 21:38:46
● 2026-08-03 18:02:02
○NSv1.dns234.net2017-11-05 → 2017-11-05 · 3 obs
○ 2026-08-01 21:38:46
○ 2026-08-03 18:02:02
○NSv2.dns234.net2017-11-05 → 2017-11-05 · 3 obs
○ 2026-08-01 21:38:46
○ 2026-08-03 18:02:02
○A107.149.107.2112017-11-05 → 2017-11-05 · 3 obs
○ 2026-08-01 21:38:46
○ 2026-08-03 18:02:02
●A175.29.111.2122026-08-01 → 2026-08-03 · 3 obs
● 2026-08-01 21:38:46
● 2026-08-03 18:02:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net... | - |
| biwei880.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 biwei880.com (unsigned zone)
⏱️ Timing
Total: 1240ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 175.29.111.212 |
| 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
biwei880.com resolves to just one IP address, 175.29.111.212.
Two other host names, along with bw383.com, bw565.com and b34675.com, also share IP numbers with biwei880.com.
Name Servers
The NS records for biwei880.com point to four name servers: pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org.
biwei880.com has at least partial name server overlap with other domains, such as all-essay.pro, cloudyjacket.com, teemingnumber.pro 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.