sfdszk.com - robtex.com
sfdszk.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns11.bigwww.com ⚠️ Not in zone NS records | ||||||
| NS | ns12.bigwww.com ⚠️ Not in zone NS records | ||||||
| A | 2408:4009:501::10🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | ns13.bigwww.com ⚠️ Not in zone NS records | ||||||
| A | 47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| NS | ns14.bigwww.com ⚠️ Not in zone NS records | ||||||
| A | 139.224.142.113🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | ns15.bigwww.com ⚠️ Not in zone NS records | ||||||
| A | 39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| NS | ns16.bigwww.com ⚠️ Not in zone NS records | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
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=1784469087 | ||||||
Same first word
sfdszk.com |
Similar names
DNS History
10 records (6 active, 4 former)
○NSens11.bigwww.com2026-05-23 → 2026-05-23 · 3 obs
● 2026-05-23 05:25:54
○ 2026-07-19 13:54:24
○NSens12.bigwww.com2026-05-23 → 2026-05-23 · 3 obs
● 2026-05-23 05:25:54
○ 2026-07-19 13:54:24
●NSns11.bigwww.com2015-06-10 → 2026-07-19 · 2 obs
● 2026-07-19 13:54:24
●NSns12.bigwww.com2026-05-23 → 2026-07-19 · 3 obs
● 2026-05-23 05:25:54
● 2026-07-19 13:54:24
●NSns13.bigwww.com2026-05-23 → 2026-07-19 · 3 obs
● 2026-05-23 05:25:54
● 2026-07-19 13:54:24
●NSns14.bigwww.com2026-05-23 → 2026-07-19 · 3 obs
● 2026-05-23 05:25:54
● 2026-07-19 13:54:24
●NSns15.bigwww.com2026-05-23 → 2026-07-19 · 3 obs
● 2026-05-23 05:25:54
● 2026-07-19 13:54:24
●NSns16.bigwww.com2026-05-23 → 2026-07-19 · 3 obs
● 2026-05-23 05:25:54
● 2026-07-19 13:54:24
○A31.170.166.692015-06-10 → 2017-06-27 · 4 obs
● 2017-06-27 11:43:40
○ 2026-05-23 05:25:54
○ 2026-07-19 13:54:24
○CNAMEshuju.zhuan.baijiaziti.top2026-05-23 → 2026-05-23 · 2 obs
○ 2026-07-19 13:54:24
🔍 DNS Trace
Analysis
Name Servers
The DNS delegation for sfdszk.com covers 6 name servers: ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com and 3 more.
sfdszk.com shares at least some of its name servers with other domains, including cnweiqi.com, xncmw.cn, xn--kput3ip1g0n1c.com and two others.
These name servers are routinely co-deployed with the name servers ns15.bigwww.com, ns16.bigwww.com, ns14.bigwww.com and two others.
Hosts with three IP address records:
ns12.bigwww.com resolves to three addresses: 120.76.107.43, 139.224.142.113 and 2408:4009:501::10.
Hosts that resolve to one IP address:
ns13.bigwww.com points to the IP address 47.118.199.203.
ns14.bigwww.com points to the IP address 139.224.142.113.
ns15.bigwww.com points to the IP address 39.96.153.43.
ns16.bigwww.com points to the IP address 120.76.107.43.
These two host names — ns12.bigwww.com and ns16.bigwww.com — each point to 120.76.107.43 IP addresses.
These two host names — ns12.bigwww.com and ns14.bigwww.com — each point to 139.224.142.113 IP addresses.