sumnet.co.jp - robtex.com

sumnet.co.jp

DNSSEC⚠️ Not signed
A162.43.101.27🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14826.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
MXsumnet.co.jp ⭐
A162.43.101.27🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14826.xserver.jp
TXTv=spf1 +a:sv14826.xserver.jp +a:sumnet.co.jp +ip4:150.60.159.2 ~all +mx inclu...
TXTapple-domain-verification=NUB3L1wdSoz7b7zm
SOAns1.xserver.jproot@xserver.jp serial=0

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

MX for

sumnet.co.jp

Same first word

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DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpdns1.ymc.ne.jpdns2.ymc.ne.jpMXsumnet.co.jpvcgw1.ymc.ne.jpvcgw2.ymc.ne.jpA162.43.101.27114.179.214.224
○NSdns1.ymc.ne.jp2015-07-04 → 2017-04-09 · 4 obs
● 2015-07-04 05:09:24
● 2017-04-09 05:58:40
○ 2026-04-12 03:33:28
○ 2026-07-30 18:36:22
○NSdns2.ymc.ne.jp2015-07-04 → 2017-04-09 · 4 obs
● 2015-07-04 05:09:24
● 2017-04-09 05:58:40
○ 2026-04-12 03:33:28
○ 2026-07-30 18:36:22
●NSns1.xserver.jp2026-04-12 → 2026-07-30 · 3 obs
○ 2017-04-09 05:58:40
● 2026-04-12 03:33:28
● 2026-07-30 18:36:22
●NSns2.xserver.jp2026-04-12 → 2026-07-30 · 3 obs
○ 2017-04-09 05:58:40
● 2026-04-12 03:33:28
● 2026-07-30 18:36:22
●NSns3.xserver.jp2026-04-12 → 2026-07-30 · 3 obs
○ 2017-04-09 05:58:40
● 2026-04-12 03:33:28
● 2026-07-30 18:36:22
●NSns4.xserver.jp2026-04-12 → 2026-07-30 · 3 obs
○ 2017-04-09 05:58:40
● 2026-04-12 03:33:28
● 2026-07-30 18:36:22
●NSns5.xserver.jp2026-04-12 → 2026-07-30 · 3 obs
○ 2017-04-09 05:58:40
● 2026-04-12 03:33:28
● 2026-07-30 18:36:22
●MXsumnet.co.jp2026-04-12 → 2026-07-30 · 3 obs
○ 2017-04-09 05:58:40
● 2026-04-12 03:33:28
● 2026-07-30 18:36:22
○MXvcgw1.ymc.ne.jp2015-07-04 → 2017-04-09 · 4 obs
● 2015-07-04 05:09:24
● 2017-04-09 05:58:40
○ 2026-04-12 03:33:28
○ 2026-07-30 18:36:22
○MXvcgw2.ymc.ne.jp2015-07-04 → 2017-04-09 · 4 obs
● 2015-07-04 05:09:24
● 2017-04-09 05:58:40
○ 2026-04-12 03:33:28
○ 2026-07-30 18:36:22
○A114.179.214.2242015-07-04 → 2017-04-09 · 4 obs
● 2015-07-04 05:09:24
● 2017-04-09 05:58:40
○ 2026-04-12 03:33:28
○ 2026-07-30 18:36:22
●A162.43.101.272026-04-12 → 2026-07-30 · 3 obs
○ 2017-04-09 05:58:40
● 2026-04-12 03:33:28
● 2026-07-30 18:36:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, d.dns.jp, a.dns.jp, c.dns.jp...-
sumnet.co.jpns1.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns2.xserver.jp...11 records

✅ Authoritative Response

Server:157.112.182.218

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sumnet.co.jp (unsigned zone)

⏱️ Timing

Total: 739ms | Queries: -

📄 Records

TypeCountSample Data
A1162.43.101.27
NS5ns5.xserver.jp, ns1.xserver.jp...
MX1sumnet.co.jp (pri: 0)
TXT2v=spf1 +a:sv14826.xserver.jp +a:sumnet.c, apple-domain-verification=NUB3L1wdSoz7b7
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

Mail Server Role

sumnet.co.jp handles its own mail, functioning as its own mail server.

IP Addresses

sumnet.co.jp resolves to just one IP address, 162.43.101.27.

Two other host names, along with dqxdb.net, kentiku.co.jp and www.anri.ne.jp, also share IP numbers with sumnet.co.jp.

Name Servers

sumnet.co.jp delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

sumnet.co.jp shares at least some of its name servers with other domains, including kanaduya.jp, xn--ipadairwimax-cp4kq880cj2rb.com, 4sama.org and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

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.

Host names that point 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.

Mail Servers

sumnet.co.jp is served by just one mail server: sumnet.co.jp.

There is one IP number for sumnet.co.jp: 162.43.101.27.