z-hosts.com - robtex.com
z-hosts.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.zen-sv.com ⭐ | ||||||
| A | 18.180.7.78🇯🇵 Amazon18.180.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-18-180-7-78.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns2.zen-sv.com | ||||||
| A | 54.95.249.97🇯🇵 Amazon54.95.128.0/17 EC2 NRT prefix | ||||||
| PTR | ec2-54-95-249-97.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns3.zen-sv.com | ||||||
| A | 133.125.54.45🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ik1-445-54541.vs.sakura.ne.jp | ||||||
| MX | mf.z-hosts.com ⭐ | ||||||
| A | 103.37.110.28🇯🇵 ESU2103.37.108.0/22 esu2 Corporation | ||||||
| PTR | 103-37-110-28.static.dg-ipas.net | ||||||
| TXT | _orw7vrbtcm9aoo1wx6j4osj6n768nvc | ||||||
| TXT | _8bmz0t9628t8iozhibjy4t6u4xn4xgf | ||||||
| SOA | ns1.zen-sv.comsvinfo@zen-sv.com 2026-03-13 #4 | ||||||
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=1771291435 | ||||||
Subdomains
Same first word
z-hosts.com |
DNS History
4 records (4 active, 0 former)
●NSns1.zen-sv.com2015-07-26 → 2026-03-22 · 2 obs
● 2026-03-22 01:52:28
●NSns2.zen-sv.com2015-11-24 → 2026-03-22 · 3 obs
● 2015-11-24 10:14:20
● 2026-03-22 01:52:28
●NSns3.zen-sv.com2015-11-24 → 2026-03-22 · 3 obs
● 2015-11-24 10:14:20
● 2026-03-22 01:52:28
●MXmf.z-hosts.com2021-08-30 → 2026-03-22 · 2 obs
● 2026-03-22 01:52:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| z-hosts.com | ns1.zen-sv.com, ns2.zen-sv.com, ns3.zen-sv.com | 3 records |
✅ Authoritative Response
Server: 54.95.249.97
NS records: ns1.zen-sv.com, ns2.zen-sv.com, ns3.zen-sv.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for z-hosts.com (unsigned zone)
⏱️ Timing
Total: 646ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.zen-sv.com, ns3.zen-sv.com... |
| MX | 1 | mf.z-hosts.com (pri: 10) |
| TXT | 2 | _8bmz0t9628t8iozhibjy4t6u4xn4xgf, _orw7vrbtcm9aoo1wx6j4osj6n768nvc |
| SOA | 1 | ns1.zen-sv.com svinfo.zen-sv.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.zen-sv.com, ns2.zen-sv.com, ns3.zen-sv.com)
Analysis
Hierarchy
z-hosts.com is a parent of seki-prap.z-hosts.com, kigaku-magic.z-hosts.com, it-guardian.z-hosts.com, cmsystem02.z-hosts.com, waiwai-net-aws.z-hosts.com and several other host names.
Name Servers
z-hosts.com is delegated to three name servers: ns1.zen-sv.com, ns2.zen-sv.com and ns3.zen-sv.com.
z-hosts.com at least partially shares name servers with other domains, for instance cmsystem.info, bionumber.jp, applistock.net, digitalshinbunka.jp and idcom.co.jp.
Host names with one IP number:
ns1.zen-sv.com points to 18.180.7.78.
ns2.zen-sv.com points to 54.95.249.97.
ns3.zen-sv.com points to 133.125.54.45.
Mail Servers
z-hosts.com is handled by a single mail server, mf.z-hosts.com.
z-hosts.com shares the same mail server setup as other domains, for instance akita-konno.co.jp, akitanet.co.jp, z-beck.co.jp, irios.co.jp and minamihoken.co.jp.
Host name mf.z-hosts.com points to IP address 103.37.110.28.