pertec.jp - robtex.com
pertec.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.xserver.jp | ||||||
| NS | ns2.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xserver.jp | ||||||
| NS | ns3.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.xserver.jp | ||||||
| NS | ns4.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns4.xserver.jp | ||||||
| NS | ns5.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns5.xserver.jp | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1785280502 | ||||||
Previously MX for
pertec.jp |
Same first word
pertec.fi |
pertec.com |
pertec.com.bo |
pertec.co.za |
pertec.org |
pertec.com.br |
pertec.com.ar |
pertec.eu |
pertec.jp |
pertec.it |
pertec.gmbh |
pertec.se |
pertec.net |
pertec.ru |
pertec.de |
pertec.ch |
pertec.net.br |
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.xserver.jp2015-06-12 → 2026-07-28 · 2 obs
● 2026-07-28 23:30:42
●NSns2.xserver.jp2015-06-12 → 2026-07-28 · 2 obs
● 2026-07-28 23:30:42
●NSns3.xserver.jp2015-06-12 → 2026-07-28 · 2 obs
● 2026-07-28 23:30:42
●NSns4.xserver.jp2015-06-12 → 2026-07-28 · 2 obs
● 2026-07-28 23:30:42
●NSns5.xserver.jp2015-06-12 → 2026-07-28 · 2 obs
● 2026-07-28 23:30:42
○MXpertec.jp2015-06-12 → 2017-07-21 · 4 obs
● 2017-07-21 12:58:22
○ 2026-06-26 20:48:48
○ 2026-07-28 23:30:42
○A219.94.203.1152015-06-12 → 2017-07-21 · 4 obs
● 2017-07-21 12:58:22
○ 2026-06-26 20:48:48
○ 2026-07-28 23:30:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| pertec.jp | ns4.xserver.jp, ns1.xserver.jp, ns3.xserver.jp, ns2.xserver.jp... | 11 records |
✅ Authoritative Response
Server:157.112.182.218
NS records: ns4.xserver.jp, ns1.xserver.jp, ns3.xserver.jp, ns2.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pertec.jp (unsigned zone)
⏱️ Timing
Total: 897ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)
Analysis
Name Servers
The authoritative name servers for pertec.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
pertec.jp has at least partial name server overlap with other domains, such as fks-ab.co.jp, aoi24.com, happyhour-z.com and two others.
It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.
Hosts with three IP address records:
ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts that resolve to one IP address:
ns2.xserver.jp points to the IP address 35.72.43.26.
ns3.xserver.jp points to the IP address 202.226.36.247.