using.cc - dns.ninja
using.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 124.173.142.53🇨🇳 CHINANET-Guangdong-FoShan-MAN124.173.128.0/17 Jinwanbangkejitouziyouxiangongsi - Foshan MAN-Static multicast | ||||||
| NS | dns1.4cun.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 | dns2.4cun.com ⚠️ 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 | mx.c2.icoremail.net ⭐ | ||||||
| A | 89.168.78.125🇩🇪 ORACLE-OCI-3189889.168.64.0/18 Oracle Corporation | ||||||
| PTR | org-mxproxy.icoremail.net | ||||||
| A | 89.168.97.82🇩🇪 ORACLE-OCI-3189889.168.64.0/18 Oracle Corporation | ||||||
| A | 165.154.163.126🇺🇸 UCLOUD-1165.154.163.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
| PTR | ucloud-mxproxy.icoremail.net | ||||||
| MX | mx.c2.corpease.net(10) | ||||||
| TXT | v=spf1 include:spf.icoremail.net -all | ||||||
| SOA | dns.4cun.comadmin@using.cc serial=1772529368 | ||||||
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=1785531553 | ||||||
Subdomains
www.using.cc |
Same first word
using.at |
using.cc |
using.nl |
using.ru |
using.club |
using.xyz |
using.co.kr |
using.kr |
using.it |
using.email |
using.ca |
using.com.tw |
using.eu |
using.co |
using.com |
using.in |
using.net |
using.de |
Similar names
DNS History
7 records (6 active, 1 former)
●NSdns.4cun.com2015-08-06 → 2026-07-31 · 5 obs
● 2026-06-16 23:31:14
○ 2026-06-17 06:17:36
● 2026-06-20 11:06:32
● 2026-07-31 21:00:10
●NSdns1.4cun.com2026-03-23 → 2026-07-31 · 3 obs
● 2026-03-23 19:05:24
● 2026-07-31 21:00:10
●NSdns2.4cun.com2026-03-23 → 2026-07-31 · 3 obs
● 2026-03-23 19:05:24
● 2026-07-31 21:00:10
●MXmx.c2.corpease.net2017-02-10 → 2026-07-31 · 6 obs
● 2017-02-10 21:01:30
● 2026-06-16 23:31:14
○ 2026-06-17 06:17:36
● 2026-06-20 11:06:32
● 2026-07-31 21:00:10
●MXmx.c2.icoremail.net2017-02-10 → 2026-07-31 · 6 obs
● 2017-02-10 21:01:30
● 2026-06-16 23:31:14
○ 2026-06-17 06:17:36
● 2026-06-20 11:06:32
● 2026-07-31 21:00:10
○MXmx70.dns.com.cn2015-08-06 → 2016-05-04 · 4 obs
● 2016-05-04 12:28:10
○ 2017-02-10 21:01:30
○ 2026-07-31 21:00:10
●A124.173.142.532015-08-06 → 2026-07-31 · 5 obs
● 2026-06-16 23:31:14
○ 2026-06-17 06:17:36
● 2026-06-20 11:06:32
● 2026-07-31 21:00:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | - |
| using.cc | dns1.4cun.com, dns2.4cun.com | - |
✅ Authoritative Response
Server:61.172.183.74
NS records: dns1.4cun.com, dns2.4cun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for using.cc (unsigned zone)
⏱️ Timing
Total: 1490ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 124.173.142.53 |
| MX | 2 | mx.c2.icoremail.net (pri: 5), mx.c2.corpease.net (pri: 10) |
| TXT | 1 | v=spf1 include:spf.icoremail.net -all |
| SOA | 1 | dns.4cun.com admin.using.cc |
Analysis
Hierarchy
The domain www.using.cc falls under the parent using.cc.
IP Addresses
using.cc resolves to one IP address: 124.173.142.53.
Name Servers
using.cc is served by three name servers: dns1.4cun.com, dns2.4cun.com and dns.4cun.com.
At least some of using.cc's name servers are shared with other domains, for example igroo.com, aypth.com, saferola.com and two more.
These name servers tend to co-occur with dns2.51dns.top, dns3.4cun.com, dns4.51dns.top and 7 other name servers in the same DNS delegations.
Each of the two hosts dns1.4cun.com and dns2.4cun.com points to two IP numbers: dns1.4cun.com has 61.172.183.74 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8, and dns2.4cun.com has 219.138.102.210 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8.
dns1.4cun.com and dns2.4cun.com each have 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8 IP addresses.
Mail Servers
Mail for using.cc is handled by two mail servers — mx.c2.corpease.net and mx.c2.icoremail.net.
using.cc uses an identical mail server configuration to several other domains — among them jiayetech.com, scwzsh.cn, kustal.com and two more.
using.cc has at least partial mail server overlap with other domains such as ntyourhome.com, suansure.com, swandoo.com and two more.
It is common to find these mail servers used together with the mail servers mx2.c2.icoremail.net and mx3.c2.icoremail.net.
Hostnames that resolve to three IP addresses:
mx.c2.icoremail.net maps to three IP addresses: 89.168.78.125, 89.168.97.82 and 165.154.163.126.