qusheet.com - robtex.com
qusheet.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 167.99.28.202🇸🇬 DIGITALOCEAN167.99.28.0/22 DigitalOcean | ||||||
| NS | ns1.hosting.co.kr ⭐ | ||||||
| A | 121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| NS | ns3.hosting.co.kr | ||||||
| A | 121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns4.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| TXT | google-site-verification=m7S2KgsHt3VTqMKRtg-qZkNAR-YoeRvpB4-DO0HgN3Y | ||||||
| SOA | ns1.hosting.co.kradmin@qusheet.com serial=5 | ||||||
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=1784131812 | ||||||
Previously MX for
qusheet.com |
Same first word
qusheet.com |
Similar names
DNS History
10 records (5 active, 5 former)
●NSns1.hosting.co.kr2026-03-19 → 2026-07-15 · 3 obs
● 2026-03-19 17:47:12
● 2026-07-15 16:39:08
○NSns1.hostpapa.com2015-07-23 → 2016-06-25 · 4 obs
● 2016-06-25 21:53:00
○ 2017-02-16 00:26:06
○ 2026-07-15 16:39:08
●NSns2.hosting.co.kr2026-03-19 → 2026-07-15 · 3 obs
● 2026-03-19 17:47:12
● 2026-07-15 16:39:08
○NSns2.hostpapa.com2015-07-23 → 2016-06-25 · 4 obs
● 2016-06-25 21:53:00
○ 2017-02-16 00:26:06
○ 2026-07-15 16:39:08
●NSns3.hosting.co.kr2026-03-19 → 2026-07-15 · 3 obs
● 2026-03-19 17:47:12
● 2026-07-15 16:39:08
●NSns4.hosting.co.kr2026-03-19 → 2026-07-15 · 3 obs
● 2026-03-19 17:47:12
● 2026-07-15 16:39:08
○MXqusheet.com2015-07-23 → 2016-06-25 · 4 obs
● 2016-06-25 21:53:00
○ 2017-02-16 00:26:06
○ 2026-07-15 16:39:08
●A167.99.28.2022026-03-19 → 2026-07-15 · 6 obs
● 2026-03-19 17:47:12
● 2026-05-03 00:43:38
○ 2026-06-11 05:43:00
● 2026-06-29 23:36:16
● 2026-07-15 16:39:08
○A69.90.160.1502016-06-25 → 2016-06-25 · 4 obs
● 2016-06-25 21:53:00
○ 2017-02-16 00:26:06
○ 2026-07-15 16:39:08
○A69.90.161.1052015-07-23 → 2016-03-06 · 4 obs
● 2016-03-06 05:44:04
○ 2016-06-25 21:53:00
○ 2026-07-15 16:39:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| qusheet.com | ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr | - |
✅ Authoritative Response
Server:43.201.141.93
NS records: ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qusheet.com (unsigned zone)
⏱️ Timing
Total: 1597ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 167.99.28.202 |
| NS | 4 | ns3.hosting.co.kr, ns1.hosting.co.kr... |
| TXT | 1 | google-site-verification=m7S2KgsHt3VTqMK |
| SOA | 1 | ns1.hosting.co.kr admin.qusheet.com |
Analysis
IP Addresses
qusheet.com resolves to just one IP address, 167.99.28.202.
Two other host names, along with dubaikoreanchurch.org, ilsan.or.kr and be-rounder.com, also share IP numbers with qusheet.com.
Name Servers
The NS records for qusheet.com point to four name servers: ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.
There is at least partial name server overlap between qusheet.com and other domains — auberg.com, seabow.pe.kr, boicha.com and two more among them.
These name servers are routinely deployed together with the name servers dns1.maxion.co.kr.
The hosts ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr each carry one IP address: 121.254.170.11 for ns1.hosting.co.kr, 43.201.141.93 for ns2.hosting.co.kr, 121.254.170.12 for ns3.hosting.co.kr and 43.201.141.93 for ns4.hosting.co.kr. The address 43.201.141.93 is shared by ns2.hosting.co.kr and ns4.hosting.co.kr.
The host names ns2.hosting.co.kr and ns4.hosting.co.kr both resolve to 43.201.141.93 IP addresses.