calcsystem.com - dns.ninja
calcsystem.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.171.9🇯🇵 GMOOSK-NET160.251.171.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | v160-251-171-9.dsei.static.cnode.jp | ||||||
| NS | a.conoha-dns.com ⭐ | ||||||
| A | 2400:8500:3000::89🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | a.conoha-dns.com | ||||||
| A | 157.7.32.89🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | a.conoha-dns.com | ||||||
| NS | b.conoha-dns.org | ||||||
| A | 2400:8500:3300::89🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | b.conoha-dns.org | ||||||
| A | 157.7.33.89🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | b.conoha-dns.org | ||||||
| SOA | a.conoha-dns.compostmaster@example.org serial=1716924530 | ||||||
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=1785648342 | ||||||
Same first word
calcsystem.com |
DNS History
7 records (3 active, 4 former)
●NSa.conoha-dns.com2026-02-28 → 2026-08-02 · 3 obs
● 2026-02-28 05:20:42
● 2026-08-02 05:37:54
●NSb.conoha-dns.org2026-02-28 → 2026-08-02 · 3 obs
● 2026-02-28 05:20:42
● 2026-08-02 05:37:54
○NSns1.mediatemple.net2015-06-20 → 2015-06-20 · 3 obs
○ 2016-05-03 01:25:00
○ 2026-08-02 05:37:54
○NSns2.mediatemple.net2015-06-20 → 2015-06-20 · 3 obs
○ 2016-05-03 01:25:00
○ 2026-08-02 05:37:54
○MXmail.calcsystem.com2015-06-20 → 2015-06-20 · 3 obs
○ 2016-05-03 01:25:00
○ 2026-08-02 05:37:54
●A160.251.171.92026-02-28 → 2026-08-02 · 3 obs
● 2026-02-28 05:20:42
● 2026-08-02 05:37:54
○A205.186.139.1712015-06-20 → 2015-06-20 · 3 obs
○ 2016-05-03 01:25:00
○ 2026-08-02 05:37:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| calcsystem.com | b.conoha-dns.org, a.conoha-dns.com | 2 records |
✅ Authoritative Response
Server:157.7.33.89
NS records: b.conoha-dns.org, a.conoha-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calcsystem.com (unsigned zone)
⏱️ Timing
Total: 737ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.171.9 |
| NS | 2 | a.conoha-dns.com, b.conoha-dns.org |
| SOA | 1 | a.conoha-dns.com postmaster.example.org |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (a.conoha-dns.com, a.conoha-dns.com)
Analysis
IP Addresses
calcsystem.com resolves to just one IP address, 160.251.171.9.
There are other host names — v160-251-171-9.dsei.static.cnode.jp among them — that share IP numbers with calcsystem.com.
Name Servers
DNS delegation for calcsystem.com points to two name servers: a.conoha-dns.com and b.conoha-dns.org.
calcsystem.com shares its NS records with other domains, for example xn--y8j2e9a.jp, dltc.static.cnode.jp, 7.8.1.3.2.0.0.2.0.0.5.8.0.0.4.2.ip6.arpa and two others.
calcsystem.com has at least partial name server overlap with other domains, such as 9.9.1.0.1.5.2.0.0.6.1.0.1.7.1.3.2.0.0.2.0.0.5.8.0.0.4.2.ip6.arpa, 2.7.0.0.7.1.1.0.3.3.1.0.1.7.3.3.2.0.0.2.0.0.5.8.0.0.4.2.ip6.arpa, sanei.jp and two others.
These name servers tend to appear together with the name servers ns-a1.conoha.io, ns-a2.conoha.io and ns-a3.conoha.io.
a.conoha-dns.com directs to 157.7.32.89 and 2400:8500:3000::89. b.conoha-dns.org directs to 157.7.33.89 and 2400:8500:3300::89. Each host name carries two IP addresses.