sfu.cc - robtex.com
sfu.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.210.173.0🇭🇰 Alibaba-Cloud8.210.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| 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 | 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 | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1774072526 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1776209732 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSf1g1ns1.dnspod.net2015-08-06 → 2016-12-07 · 4 obs
● 2016-12-07 13:07:50
○ 2026-03-13 10:14:04
○ 2026-04-14 23:56:34
○NSf1g1ns2.dnspod.net2015-08-06 → 2016-12-07 · 4 obs
● 2016-12-07 13:07:50
○ 2026-03-13 10:14:04
○ 2026-04-14 23:56:34
●NSns1.judns.com2026-03-13 → 2026-04-14 · 3 obs
● 2026-03-13 10:14:04
● 2026-04-14 23:56:34
●NSns1.julydns.com2026-03-13 → 2026-04-14 · 3 obs
● 2026-03-13 10:14:04
● 2026-04-14 23:56:34
●NSns2.judns.com2026-03-13 → 2026-04-14 · 3 obs
● 2026-03-13 10:14:04
● 2026-04-14 23:56:34
●NSns2.julydns.com2026-03-13 → 2026-04-14 · 3 obs
● 2026-03-13 10:14:04
● 2026-04-14 23:56:34
○A47.243.79.2362026-03-13 → 2026-03-17 · 4 obs
● 2026-03-17 17:22:44
○ 2026-03-25 20:04:48
○ 2026-04-14 23:56:34
●A8.210.173.02026-03-25 → 2026-04-14 · 3 obs
● 2026-03-25 20:04:48
● 2026-04-14 23:56:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac4.nstld.com, ac1.nstld.com, ac2.nstld.com, ac3.nstld.com | - |
| sfu.cc | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:47.97.51.45
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfu.cc (unsigned zone)
⏱️ Timing
Total: 445ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 8.210.173.0 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
sfu.cc points to a single IP: 8.210.173.0.
Other host names, for instance mczdd.mifeixian.cn, mifeixian.cn and ugrwj.mifeixian.cn share IP numbers with sfu.cc.
Name Servers
sfu.cc's delegation is handled by four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
sfu.cc partially shares name servers with other domains; examples include huibiaoyan.com, qevnl.com, banmianji.cn, ftdkd.com and 016my.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.
Host names that point to 47.97.51.45: ns1.judns.com and ns1.julydns.com.