4ff.com.cn - robtex.com
4ff.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.87.30.150🇺🇸 TELX-AS21859172.87.28.0/22 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.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.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=1780677701 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
Same first word
4ff.com.pl |
4ff.nl |
4ff.cn |
4ff.co.uk |
4ff.de |
4ff.co |
4ff.eu |
4ff.net |
4ff.com |
4ff.com.cn |
4ff.io |
4ff.us |
4ff.dk |
4ff.pro |
4ff.be |
4ff.ai |
Similar names
DNS History
11 records (5 active, 6 former)
○NSf1g1ns1.dnspod.net2015-06-24 → 2017-01-29 · 4 obs
● 2017-01-29 22:41:24
○ 2026-03-27 07:12:22
○ 2026-07-15 07:16:20
○NSf1g1ns2.dnspod.net2015-06-24 → 2016-03-15 · 4 obs
● 2016-03-15 13:58:44
○ 2026-03-27 07:12:22
○ 2026-07-15 07:16:20
●NSns1.judns.com2026-03-27 → 2026-07-15 · 3 obs
● 2026-03-27 07:12:22
● 2026-07-15 07:16:20
●NSns1.julydns.com2026-03-27 → 2026-07-15 · 3 obs
● 2026-03-27 07:12:22
● 2026-07-15 07:16:20
●NSns2.judns.com2026-03-27 → 2026-07-15 · 3 obs
● 2026-03-27 07:12:22
● 2026-07-15 07:16:20
●NSns2.julydns.com2026-03-27 → 2026-07-15 · 3 obs
● 2026-03-27 07:12:22
● 2026-07-15 07:16:20
○A103.24.205.2212018-07-15 → 2018-07-15 · 4 obs
● 2018-07-15 10:42:20
○ 2026-03-27 07:12:22
○ 2026-07-15 07:16:20
○A123.1.155.1812015-06-24 → 2017-01-29 · 4 obs
● 2017-01-29 22:41:24
○ 2018-07-15 10:42:20
○ 2026-07-15 07:16:20
●A172.87.30.1502026-07-15 → 2026-07-15 · 2 obs
● 2026-07-15 07:16:20
○A172.87.30.2072026-04-20 → 2026-05-06 · 4 obs
● 2026-04-20 09:45:06
● 2026-05-06 21:06:48
○ 2026-07-15 07:16:20
○A172.87.31.272026-03-27 → 2026-03-28 · 5 obs
● 2026-03-27 07:12:22
● 2026-03-28 09:18:02
○ 2026-04-20 09:45:06
○ 2026-07-15 07:16:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, a.dns.cn, b.dns.cn... | - |
| 4ff.com.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4ff.com.cn (unsigned zone)
⏱️ Timing
Total: 537ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.87.30.150 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
4ff.com.cn has exactly one IP address — 172.87.30.150.
se7ens.cn, mail-5285.courbillac.com, red-crucero.com plus two other host names have IP numbers in common with 4ff.com.cn.
Name Servers
Four name servers handle the delegation for 4ff.com.cn: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
4ff.com.cn has at least partial name server overlap with other domains, such as wuxifei.com, rideredbicycles.com, todycai.com and two others.
It is common to see these name servers used together with name servers ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com and ns2.judns.com share the IP address 162.159.27.251; ns1.julydns.com and ns2.julydns.com share the IP address 162.159.48.223.
Both ns1.judns.com and ns2.judns.com resolve to 162.159.27.251 IP addresses each.
Both ns1.julydns.com and ns2.julydns.com resolve to 162.159.48.223 IP addresses each.