mzz.jp - robtex.com

mzz.jp

DNSSEC⚠️ Not signed
A85.131.197.38🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16097.xserver.jp
NSns1.xserver.jp
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXmzz.jp
A85.131.197.38🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16097.xserver.jp
TXTv=spf1 +a:sv16097.xserver.jp +a:mzz.jp +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@sv0.xserver.jp serial=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=1785730502

MX for

Same first word

Similar names

DNS History

8 records (7 active, 1 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXmzz.jpA85.131.197.38210.188.201.142
NSns1.xserver.jp2015-08-12 → 2026-08-03 · 2 obs
● 2015-08-12 14:27:26
● 2026-08-03 05:07:56
NSns2.xserver.jp2015-08-12 → 2026-08-03 · 2 obs
● 2015-08-12 14:27:26
● 2026-08-03 05:07:56
NSns3.xserver.jp2015-08-12 → 2026-08-03 · 2 obs
● 2015-08-12 14:27:26
● 2026-08-03 05:07:56
NSns4.xserver.jp2015-08-12 → 2026-08-03 · 2 obs
● 2015-08-12 14:27:26
● 2026-08-03 05:07:56
NSns5.xserver.jp2015-08-12 → 2026-08-03 · 2 obs
● 2015-08-12 14:27:26
● 2026-08-03 05:07:56
MXmzz.jp2015-08-12 → 2026-08-03 · 2 obs
● 2015-08-12 14:27:26
● 2026-08-03 05:07:56
A210.188.201.1422015-08-12 → 2016-12-18 · 4 obs
● 2015-08-12 14:27:26
● 2016-12-18 16:13:58
○ 2026-06-05 15:51:24
○ 2026-08-03 05:07:56
A85.131.197.382026-06-05 → 2026-08-03 · 3 obs
○ 2016-12-18 16:13:58
● 2026-06-05 15:51:24
● 2026-08-03 05:07:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
mzz.jpns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.170

NS records: ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mzz.jp (unsigned zone)

⏱️ Timing

Total: 1487ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.197.38
NS5ns4.xserver.jp, ns1.xserver.jp...
MX1mzz.jp (pri: 0)
TXT1v=spf1 +a:sv16097.xserver.jp +a:mzz.jp +
SOA1ns1.xserver.jp root.sv0.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Mail Server Role

mzz.jp serves as a mail server for mzz.jp.

IP Addresses

mzz.jp has exactly one IP address — 85.131.197.38.

tuushin.com, izakaya-kouta.com, nanbu-dvp.com plus two other host names have IP numbers in common with mzz.jp.

Name Servers

Five name servers handle delegation for mzz.jp: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

At least some of mzz.jp's name servers are shared with other domains, for example e-tsa.info, j-chord.com, q0o.net and two more.

These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

ns1.xserver.jp maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names resolving to a single IP address:

ns2.xserver.jp resolves to the IP address 35.72.43.26.

ns3.xserver.jp resolves to the IP address 202.226.36.247.

Mail Servers

mzz.jp uses exactly one mail server, which is mzz.jp.

mzz.jp resolves to 85.131.197.38 and no other IP number.