tbt-scietech.com - dns.ninja
tbt-scietech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.88.58.1🇺🇸 Alibaba-Cloud47.88.0.0/18 Alibaba Cloud | ||||||
| NS | dns3.4cun.com ⭐ | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 61.172.183.74🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC | ||||||
| NS | dns.4cun.com ⚠️ Not in zone NS records | ||||||
| NS | dns4.51dns.top ⚠️ Not in zone NS records | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 219.138.102.210🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang | ||||||
| MX | mxw.263.net ⭐ | ||||||
| A | 143.110.227.31🇺🇸 DIGITALOCEAN143.110.224.0/20 DigitalOcean | ||||||
| A | 164.92.126.242🇺🇸 DIGITALOCEAN164.92.96.0/19 DigitalOcean | ||||||
| MX | mx.263.net(10) | ||||||
| A | 38.83.106.84🇺🇸 AS6319938.83.106.0/24 CS-34755 | ||||||
| PTR | us-mx1.263.net | ||||||
| A | 38.83.106.85🇺🇸 AS6319938.83.106.0/24 CS-34755 | ||||||
| PTR | us-mx2.263.net | ||||||
| A | 143.110.227.31🇺🇸 DIGITALOCEAN143.110.224.0/20 DigitalOcean | ||||||
| A | 164.92.126.242🇺🇸 DIGITALOCEAN164.92.96.0/19 DigitalOcean | ||||||
| TXT | v=spf1 include:spf.263xmail.com ~all | ||||||
| SOA | dns.4cun.comadmin@tbt-scietech.com serial=1772527531 | ||||||
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=1785857544 | ||||||
Same first word
tbt-scietech.com |
DNS History
8 records (6 active, 2 former)
●NSdns3.4cun.com2026-02-23 → 2026-08-04 · 3 obs
● 2026-02-23 12:58:36
● 2026-08-04 15:40:30
●NSdns4.51dns.top2026-02-23 → 2026-08-04 · 3 obs
● 2026-02-23 12:58:36
● 2026-08-04 15:40:30
○A205.209.149.2222015-08-03 → 2016-08-11 · 4 obs
● 2016-08-11 03:18:26
○ 2018-06-17 01:12:50
○ 2026-08-04 15:40:30
●A47.88.58.12026-02-23 → 2026-08-04 · 3 obs
● 2026-02-23 12:58:36
● 2026-08-04 15:40:30
○A66.79.170.942018-06-17 → 2018-06-17 · 4 obs
● 2018-06-17 01:12:50
○ 2026-02-23 12:58:36
○ 2026-08-04 15:40:30
🔍 DNS Trace
Analysis
IP Addresses
tbt-scietech.com has exactly one IP address — 47.88.58.1.
njacent.com, cip-international.com, topflor.cn plus two other host names have IP numbers in common with tbt-scietech.com.
Name Servers
tbt-scietech.com has three name servers — dns3.4cun.com, dns.4cun.com and dns4.51dns.top.
tbt-scietech.com shares at least some of its name servers with other domains, including lpsbxhyxh.com, szwxzdm.com, nicecom.com.cn and two others.
These name servers are frequently seen alongside dns7.4cun.com, dns1.4cun.com, dns2.51dns.top and 5 other name servers.
dns3.4cun.com and dns4.51dns.top each resolve to two IP addresses: dns3.4cun.com points to 61.172.183.74 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8, while dns4.51dns.top points to 219.138.102.210 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8.
The host names dns3.4cun.com and dns4.51dns.top both resolve to 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8 IP addresses.
Mail Servers
tbt-scietech.com uses two mail servers, mx.263.net and mxw.263.net.
The mail server setup of tbt-scietech.com matches that of other domains such as cxzd.com, gztit.com, henryparts.com and two others.
tbt-scietech.com shares at least some of its mail servers with other domains, such as kismart.com.cn and bravobio.com.
Host names with four IP addresses:
mx.263.net points to 38.83.106.84, 38.83.106.85, 143.110.227.31 and 164.92.126.242.
Host names pointing to two IP addresses:
mxw.263.net resolves to 143.110.227.31 and 164.92.126.242.
The host names mx.263.net and mxw.263.net both resolve to 143.110.227.31 IP addresses.
The host names mx.263.net and mxw.263.net both resolve to 164.92.126.242 IP addresses.