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=1781392829 | ||||||
Subdomains
www.using.cc |
Same first word
using.at |
using.cc |
using.nl |
using.ru |
using.club |
using.co.kr |
using.kr |
using.it |
using.email |
using.be |
using.ca |
using.com.tw |
using.eu |
using.co |
using.com |
using.in |
using.net |
using.de |
using.ch |
Similar names
DNS History
7 records (6 active, 1 former)
●NSdns1.4cun.com2026-03-23 → 2026-06-14 · 3 obs
● 2026-03-23 19:05:24
● 2026-06-14 00:11:56
●NSdns2.4cun.com2026-03-23 → 2026-06-14 · 3 obs
● 2026-03-23 19:05:24
● 2026-06-14 00:11:56
●MXmx.c2.corpease.net2017-02-10 → 2026-06-14 · 3 obs
● 2017-02-10 21:01:30
● 2026-06-14 00:11:56
●MXmx.c2.icoremail.net2017-02-10 → 2026-06-14 · 3 obs
● 2017-02-10 21:01:30
● 2026-06-14 00:11:56
○MXmx70.dns.com.cn2015-08-06 → 2016-05-04 · 4 obs
● 2016-05-04 12:28:10
○ 2017-02-10 21:01:30
○ 2026-06-14 00:11:56
●A124.173.142.532015-08-06 → 2026-06-14 · 2 obs
● 2026-06-14 00:11:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | 8 records |
| 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: 1548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 124.173.142.53 |
| MX | 2 | mx.c2.corpease.net (pri: 10), mx.c2.icoremail.net (pri: 5) |
| TXT | 1 | v=spf1 include:spf.icoremail.net -all |
| SOA | 1 | dns.4cun.com admin.using.cc |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ac1.nstld.com, ac2.nstld.com, ac3.nstld.com...)
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 lucky-shipping.com, ntyourhome.com, suansure.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.