kryo.jp - robtex.com
kryo.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.254.238.20🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc. | ||||||
| PTR | sv19.xbiz.ne.jp | ||||||
| NS | ns1.xbiz.ne.jp ⭐ | ||||||
| A | 157.112.182.247🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| PTR | ns1.xbiz.ne.jp | ||||||
| NS | ns2.xbiz.ne.jp | ||||||
| A | 35.76.79.244🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xbiz.ne.jp | ||||||
| NS | ns3.xbiz.ne.jp | ||||||
| A | 157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc. | ||||||
| PTR | ns3.xbiz.ne.jp | ||||||
| MX | kryo.jp ⭐ | ||||||
| A | 202.254.238.20🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc. | ||||||
| PTR | sv19.xbiz.ne.jp | ||||||
| TXT | v=spf1 +a:sv19.xbiz.ne.jp +a:kryo.jp +mx include:spf.sender.xserver.jp ~all | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.jp serial=0 | ||||||
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=1778541302 | ||||||
MX for
kryo.jp |
Subdomains
pop3.kryo.jp |
Same first word
kryo.co |
kryo.nl |
kryo.ca |
kryo.at |
kryo.cloud |
kryo.de |
kryo.sk |
kryo.ru |
kryo.se |
kryo.pl |
kryo.it |
kryo.eu |
kryo.jp |
kryo.name |
kryo.ooo |
kryo.cz |
kryo.hu |
kryo.biz |
kryo.rs |
kryo.ch |
kryo.fr |
kryo.us |
kryo.cn |
Similar names
DNS History
9 records (5 active, 4 former)
○NS10.apsv.biz2015-08-14 → 2016-12-25 · 4 obs
● 2016-12-25 10:05:40
○ 2026-05-03 17:08:10
○ 2026-05-11 23:43:12
○NS2nd.dnsv.jp2015-08-14 → 2016-12-25 · 4 obs
● 2016-12-25 10:05:40
○ 2026-05-03 17:08:10
○ 2026-05-11 23:43:12
●NSns1.xbiz.ne.jp2026-05-03 → 2026-05-11 · 3 obs
● 2026-05-03 17:08:10
● 2026-05-11 23:43:12
●NSns2.xbiz.ne.jp2026-05-03 → 2026-05-11 · 3 obs
● 2026-05-03 17:08:10
● 2026-05-11 23:43:12
●NSns3.xbiz.ne.jp2026-05-03 → 2026-05-11 · 3 obs
● 2026-05-03 17:08:10
● 2026-05-11 23:43:12
●MXkryo.jp2026-05-03 → 2026-05-11 · 3 obs
● 2026-05-03 17:08:10
● 2026-05-11 23:43:12
○MXpop3.kryo.jp2015-08-14 → 2016-12-25 · 4 obs
● 2016-12-25 10:05:40
○ 2026-05-03 17:08:10
○ 2026-05-11 23:43:12
○A153.122.27.2282015-08-14 → 2016-12-25 · 4 obs
● 2016-12-25 10:05:40
○ 2026-05-03 17:08:10
○ 2026-05-11 23:43:12
●A202.254.238.202026-05-03 → 2026-05-11 · 3 obs
● 2026-05-03 17:08:10
● 2026-05-11 23:43:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| kryo.jp | ns3.xbiz.ne.jp, ns1.xbiz.ne.jp, ns2.xbiz.ne.jp | 3 records |
✅ Authoritative Response
Server:157.112.182.247
NS records: ns3.xbiz.ne.jp, ns1.xbiz.ne.jp, ns2.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kryo.jp (unsigned zone)
⏱️ Timing
Total: 785ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.254.238.20 |
| NS | 3 | ns2.xbiz.ne.jp, ns1.xbiz.ne.jp... |
| MX | 1 | kryo.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv19.xbiz.ne.jp +a:kryo.jp +mx |
| SOA | 1 | ns1.xbiz.ne.jp root.xbiz.ne.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.xbiz.ne.jp, ns2.xbiz.ne.jp, ns1.xbiz.ne.jp)
Analysis
Hierarchy
kryo.jp is the parent of pop3.kryo.jp.
Mail Server Role
kryo.jp is the mail server for kryo.jp.
IP Addresses
kryo.jp resolves to a single IP: 202.254.238.20.
Other host names, for instance 87bee.com, pop3.kryo.jp, 6-mobile.net, mail.nu-edition.com and ns1.appi-resort.com share IP numbers with kryo.jp.
Name Servers
kryo.jp delegates to three name servers: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.
kryo.jp shares some name servers with other domains, for example yamato-ryokan.jp, fukushima-haccp.jp, fuchu-takakura.net, hotel-kawakyu.jp and sakurahikari.net.
Host names with a single IP: ns1.xbiz.ne.jp points to 157.112.182.247; ns2.xbiz.ne.jp points to 35.76.79.244; ns3.xbiz.ne.jp points to 157.112.191.237.
Mail Servers
One mail server handles kryo.jp.
Host name kryo.jp points to IP 202.254.238.20.