wt-bio.com - robtex.com
wt-bio.com
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=1778795356 | ||||||
Same first word
wt-bio.com |
Similar names
tw-bio.com |
bow-it.de |
bow-it.com |
two-bi.com |
ti-bow.com |
bio-wt.com |
oit-bw.de |
tobi-w.de |
wo-bit.com |
wob-it.de |
bow-it.org |
DNS History
6 records (5 active, 1 former)
○NSa.ezdnscenter.com2017-08-10 → 2017-08-10 · 3 obs
○ 2026-04-27 00:01:56
○ 2026-05-14 21:56:56
●NSdns21.hichina.com2026-04-27 → 2026-05-14 · 3 obs
● 2026-04-27 00:01:56
● 2026-05-14 21:56:56
●NSdns22.hichina.com2026-04-27 → 2026-05-14 · 3 obs
● 2026-04-27 00:01:56
● 2026-05-14 21:56:56
●MXmx1.qiye.aliyun.com2026-04-27 → 2026-05-14 · 2 obs
● 2026-05-14 21:56:56
●MXmx2.qiye.aliyun.com2026-04-27 → 2026-05-14 · 2 obs
● 2026-05-14 21:56:56
●MXmx3.qiye.aliyun.com2026-04-27 → 2026-05-14 · 2 obs
● 2026-05-14 21:56:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net... | - |
| wt-bio.com | dns21.hichina.com, dns22.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns21.hichina.com, dns22.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for wt-bio.com (unsigned zone)
⏱️ Timing
Total: 592ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns22.hichina.com, dns21.hichina.com |
| MX | 3 | mx3.qiye.aliyun.com (pri: 15), mx1.qiye.aliyun.com (pri: 5)... |
| TXT | 1 | v=spf1 include:spf.qiye.aliyun.com -all |
| SOA | 1 | dns21.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)
Analysis
Name Servers
wt-bio.com's delegation uses two name servers: dns21.hichina.com and dns22.hichina.com.
wt-bio.com uses the same name server setup as other domains, such as terga.cn, zinotech.com.cn, acmei.com, chinamay.com and jsltdl.com.
wt-bio.com at least partially shares name servers with other domains, including xmzsly.cn, speedlock.com.cn, gif.xin, beijingjtc.com and jingzhi-sh.com.
These name servers are often used with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: The host name dns21.hichina.com points to 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110. The host name dns22.hichina.com points to 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.
Mail Servers
Three mail servers handle wt-bio.com: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
wt-bio.com shares at least some mail servers with other domains, for example szccl.com, qdlxjt.cn, it-iot.com, longlivecn.com and rekotechnology.com.
These mail servers are often used with mxw.mxhichina.com and mxn.mxhichina.com.
Host names with two IP numbers:
The host name mx3.qiye.aliyun.com points to 47.246.136.231 and 47.246.137.47.
Host names with one IP number:
The host names mx1.qiye.aliyun.com and mx2.qiye.aliyun.com point to 47.246.137.47 and 47.246.136.231 respectively.
Host names that point to 47.246.136.231: mx3.qiye.aliyun.com and mx2.qiye.aliyun.com.
Host names that point to 47.246.137.47: mx3.qiye.aliyun.com and mx1.qiye.aliyun.com.