pergotec.jp - robtex.com
pergotec.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.183.11🇯🇵 DRNET183.90.176.0/21 | ||||||
| PTR | c1.hpms1.jp | ||||||
| NS | ns1.value-domain.com ⭐ | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.value-domain.com | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | pergotec.jp ⭐ | ||||||
| A | 183.90.183.11🇯🇵 DRNET183.90.176.0/21 | ||||||
| PTR | c1.hpms1.jp | ||||||
| TXT | v=spf1 ip4:183.90.183.11 include:mxr.valueserver.jp ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@pergotec.jp 2020-08-26 #22 | ||||||
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=1778214602 | ||||||
MX for
pergotec.jp |
Same first word
pergotec.jp |
Similar names
DNS History
9 records (4 active, 5 former)
○NSns01.telewave.ad.jp2015-06-22 → 2017-02-11 · 4 obs
● 2017-02-11 01:38:50
○ 2019-12-31 11:19:56
○ 2026-05-08 04:44:18
○NSns01.xaas.jp2015-06-22 → 2017-02-11 · 4 obs
● 2017-02-11 01:38:50
○ 2019-12-31 11:19:56
○ 2026-05-08 04:44:18
●NSns1.value-domain.com2019-12-31 → 2026-05-08 · 3 obs
● 2019-12-31 11:19:56
● 2026-05-08 04:44:18
●NSns2.value-domain.com2019-12-31 → 2026-05-08 · 3 obs
● 2019-12-31 11:19:56
● 2026-05-08 04:44:18
●MXpergotec.jp2019-12-31 → 2026-05-08 · 3 obs
● 2019-12-31 11:19:56
● 2026-05-08 04:44:18
○MXsmtp1.xaas.jp2015-06-22 → 2017-02-11 · 4 obs
● 2017-02-11 01:38:50
○ 2019-12-31 11:19:56
○ 2026-05-08 04:44:18
○MXsmtp2.xaas.jp2015-06-22 → 2017-02-11 · 4 obs
● 2017-02-11 01:38:50
○ 2019-12-31 11:19:56
○ 2026-05-08 04:44:18
●A183.90.183.112019-12-31 → 2026-05-08 · 3 obs
● 2019-12-31 11:19:56
● 2026-05-08 04:44:18
○A210.128.29.602015-06-22 → 2017-02-11 · 4 obs
● 2017-02-11 01:38:50
○ 2019-12-31 11:19:56
○ 2026-05-08 04:44:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, g.dns.jp, e.dns.jp, d.dns.jp... | - |
| pergotec.jp | ns1.value-domain.com, ns2.value-domain.com | - |
✅ Authoritative Response
Server:172.64.53.3
NS records: ns1.value-domain.com, ns2.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pergotec.jp (unsigned zone)
⏱️ Timing
Total: 579ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.183.11 |
| NS | 2 | ns1.value-domain.com, ns2.value-domain.com |
| MX | 1 | pergotec.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:183.90.183.11 include:mxr.val |
| SOA | 1 | ns1.value-domain.com hostmaster.pergotec |
Analysis
Mail Server Role
The mail server for pergotec.jp is pergotec.jp.
IP Addresses
pergotec.jp maps to IP address 183.90.183.11.
Other host names, for instance kudan-bc.com, f-tk.co.jp, cafearu.net, topolino.net and 8700.jp share IP numbers with pergotec.jp.
Name Servers
Two name servers ns1.value-domain.com and ns2.value-domain.com are delegated to pergotec.jp.
pergotec.jp uses the same name server configuration as other domains, such as iphoneappdev.net, i-aws4.net, testpage.jp, style-design.net and ishii-iin.or.jp.
pergotec.jp at least partially shares name servers with other domains such as pcsawada.com, nasu-b.com, poky.org, mujinzou.net and qs-station.com.
these name servers are commonly used with ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com, ns12.value-domain.com and ns13.value-domain.com.
Host names with two IPs:
ns1.value-domain.com points to 172.64.52.38 and 172.64.52.161.
ns2.value-domain.com points to 172.64.53.3 and 172.64.53.115.
Mail Servers
One mail server serves pergotec.jp.
pergotec.jp points to one IP number: 183.90.183.11.