4xtf.jp - robtex.com

4xtf.jp

DNSSEC⚠️ Not signed
A2001:dc2:1000:2008::5456🇯🇵 ASN-JPNIC2001:dc2::/32 JPNICNET
A192.41.192.178🇯🇵 ASN-JPNIC192.41.192.0/24 JPNICNET Japan Network Information Center Uchikanda OS Bldg. 4F 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047 JAPAN
NSns3.4xtf.jp ⭐
A2001:dc2:1000:2000::53🇯🇵 ASN-JPNIC2001:dc2::/32 JPNICNET
PTRns3.nic.ad.jp
A202.12.30.163🇯🇵 ASN-JPNIC202.12.30.0/24 JPNICNET Japan Network Information Center Uchikanda OS Bldg. 4F 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047 JAPAN
PTRns3.nic.ad.jp
NSns5.4xtf.jp
A2001:dc2:1000:2000::253🇯🇵 ASN-JPNIC2001:dc2::/32 JPNICNET
PTRns5.nic.ad.jp
A202.12.30.225🇯🇵 ASN-JPNIC202.12.30.0/24 JPNICNET Japan Network Information Center Uchikanda OS Bldg. 4F 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047 JAPAN
PTRns5.nic.ad.jp
MXmx21.4xtf.jp ⭐
A2001:dc2:1000:2004::221🇯🇵 ASN-JPNIC2001:dc2::/32 JPNICNET
PTRmx21.nic.ad.jp
A202.12.30.33🇯🇵 ASN-JPNIC202.12.30.0/24 JPNICNET Japan Network Information Center Uchikanda OS Bldg. 4F 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047 JAPAN
PTRmx21.nic.ad.jp
MXmx22.4xtf.jp(20)
A2001:dc2:1000:2004::222🇯🇵 ASN-JPNIC2001:dc2::/32 JPNICNET
PTRmx22.nic.ad.jp
A202.12.30.34🇯🇵 ASN-JPNIC202.12.30.0/24 JPNICNET Japan Network Information Center Uchikanda OS Bldg. 4F 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047 JAPAN
PTRmx22.nic.ad.jp
SOAns3.4xtf.jphostmaster@nic.ad.jp 2024-09-02 #0

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1774422902

Subdomains

mx21.4xtf.jp
ns3.4xtf.jp
mx22.4xtf.jp
ns5.4xtf.jp

Same first word

4xtf.jp

Similar names

f4xt.cn
t4fx.jp
xft4.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSns3.4xtf.jpns5.4xtf.jpMXmx21.4xtf.jpmx22.4xtf.jpmx15.4xtf.jpmx16.4xtf.jpmx19.4xtf.jpmx20.4xtf.jpA192.41.192.1782001:dc2:1000:2008::5456
●NSns3.4xtf.jp2015-07-17 → 2026-03-25 · 2 obs
● 2015-07-17 21:17:02
● 2026-03-25 07:52:22
●NSns5.4xtf.jp2015-07-17 → 2026-03-25 · 2 obs
● 2015-07-17 21:17:02
● 2026-03-25 07:52:22
○MXmx15.4xtf.jp2015-07-17 → 2017-09-03 · 4 obs
● 2015-07-17 21:17:02
● 2017-09-03 14:58:42
○ 2019-10-21 04:10:44
○ 2026-03-25 07:52:22
○MXmx16.4xtf.jp2015-07-17 → 2017-09-03 · 4 obs
● 2015-07-17 21:17:02
● 2017-09-03 14:58:42
○ 2019-10-21 04:10:44
○ 2026-03-25 07:52:22
○MXmx19.4xtf.jp2019-10-21 → 2020-11-02 · 5 obs
○ 2017-09-03 14:58:42
● 2019-10-21 04:10:44
● 2020-11-02 15:11:38
○ 2026-03-05 17:00:52
○ 2026-03-25 07:52:22
○MXmx20.4xtf.jp2019-10-21 → 2020-11-02 · 5 obs
○ 2017-09-03 14:58:42
● 2019-10-21 04:10:44
● 2020-11-02 15:11:38
○ 2026-03-05 17:00:52
○ 2026-03-25 07:52:22
●MXmx21.4xtf.jp2026-03-05 → 2026-03-25 · 3 obs
○ 2020-11-02 15:11:38
● 2026-03-05 17:00:52
● 2026-03-25 07:52:22
●MXmx22.4xtf.jp2026-03-05 → 2026-03-25 · 3 obs
○ 2020-11-02 15:11:38
● 2026-03-05 17:00:52
● 2026-03-25 07:52:22
●A192.41.192.1782015-07-17 → 2026-03-25 · 2 obs
● 2015-07-17 21:17:02
● 2026-03-25 07:52:22
●A2001:dc2:1000:2008::54562015-07-17 → 2026-03-25 · 2 obs
● 2015-07-17 21:17:02
● 2026-03-25 07:52:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
4xtf.jpns3.4xtf.jp, ns5.4xtf.jp3 records

✅ Authoritative Response

Server:202.12.30.225

NS records: ns3.4xtf.jp, ns5.4xtf.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4xtf.jp (unsigned zone)

⏱️ Timing

Total: 904ms | Queries: -

📄 Records

TypeCountSample Data
A1192.41.192.178
AAAA12001:dc2:1000:2008::5456
NS2ns3.4xtf.jp, ns5.4xtf.jp
MX2mx21.4xtf.jp (pri: 10), mx22.4xtf.jp (pri: 20)
SOA1ns3.4xtf.jp hostmaster.nic.ad.jp

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (ns3.4xtf.jp, ns5.4xtf.jp, ns5.4xtf.jp)

Analysis

Hierarchy

4xtf.jp is a parent of mx21.4xtf.jp, ns3.4xtf.jp, mx22.4xtf.jp and ns5.4xtf.jp.

IP Addresses

4xtf.jp has two IP numbers: 2001:dc2:1000:2008::5456 and 192.41.192.178.

Other host names for instance kokatsu.jp and www.kokatsu.jp share IP numbers with 4xtf.jp.

Name Servers

4xtf.jp's delegation uses two name servers: ns3.4xtf.jp and ns5.4xtf.jp.

Host names with two IPs:

ns3.4xtf.jp points to 2001:dc2:1000:2000::53 and 202.12.30.163

ns5.4xtf.jp points to 2001:dc2:1000:2000::253 and 202.12.30.225

Mail Servers

4xtf.jp is served by two mail servers mx21.4xtf.jp and mx22.4xtf.jp.

Host names with two IPs:

mx21.4xtf.jp points to 2001:dc2:1000:2004::221 and 202.12.30.33

mx22.4xtf.jp points to 2001:dc2:1000:2004::222 and 202.12.30.34