sfk-fs.com - robtex.com
sfk-fs.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns1.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
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=1774586017 | ||||||
Same first word
sfk-fs.com |
DNS History
10 records (4 active, 6 former)
●NSns1.judns.com2026-03-24 → 2026-03-27 · 3 obs
● 2026-03-24 10:10:44
● 2026-03-27 04:47:22
●NSns1.julydns.com2026-03-24 → 2026-03-27 · 3 obs
● 2026-03-24 10:10:44
● 2026-03-27 04:47:22
○NSns15.xincache.com2015-07-25 → 2017-01-08 · 4 obs
● 2017-01-08 02:28:30
○ 2026-03-24 10:10:44
○ 2026-03-27 04:47:22
○NSns16.xincache.com2015-07-25 → 2017-01-08 · 4 obs
● 2017-01-08 02:28:30
○ 2026-03-24 10:10:44
○ 2026-03-27 04:47:22
●NSns2.judns.com2026-03-24 → 2026-03-27 · 3 obs
● 2026-03-24 10:10:44
● 2026-03-27 04:47:22
●NSns2.julydns.com2026-03-24 → 2026-03-27 · 3 obs
● 2026-03-24 10:10:44
● 2026-03-27 04:47:22
○MXmx.ym.163.com2015-07-25 → 2017-01-08 · 4 obs
● 2017-01-08 02:28:30
○ 2026-03-24 10:10:44
○ 2026-03-27 04:47:22
○A172.232.112.2212026-03-24 → 2026-03-27 · 2 obs
○ 2026-03-27 04:47:22
○A222.73.36.1632015-07-25 → 2015-07-25 · 3 obs
○ 2015-10-28 22:16:06
○ 2026-03-27 04:47:22
○A222.73.36.1662015-10-28 → 2017-01-08 · 5 obs
● 2015-10-28 22:16:06
● 2017-01-08 02:28:30
○ 2026-03-24 10:10:44
○ 2026-03-27 04:47:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sfk-fs.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server:47.97.51.45
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfk-fs.com (unsigned zone)
⏱️ Timing
Total: 497ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
Name Servers
sfk-fs.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
sfk-fs.com shares name servers with other domains at least partially, for instance lifenghao.com, shengyanzsb.com, gxhbcy.com, daiie.com and hg08666.com.
Host names with one IP number:
ns1.judns.com points to 47.97.51.45.
ns2.judns.com points to 162.159.27.251.
ns1.julydns.com points to 47.97.51.45.
ns2.julydns.com points to 162.159.48.223.
Names pointing to 47.97.51.45: ns1.judns.com and ns1.julydns.com.