yahoos.jp - dns.ninja

yahoos.jp

DNSSEC⚠️ Not signed
A103.3.1.142🇯🇵 XSERVER-AS103.3.0.0/22 XSERVER Inc.
PTRsv12301.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
MXyahoos.jp
A103.3.1.142🇯🇵 XSERVER-AS103.3.0.0/22 XSERVER Inc.
PTRsv12301.xserver.jp
TXTv=spf1 +a:sv12301.xserver.jp +a:yahoos.jp +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@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=1786262403

MX for

Same first word

Similar names

DNS History

10 records (7 active, 3 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.value-domain.comns2.value-domain.comMXyahoos.jpA103.3.1.142202.172.28.26
NSns1.value-domain.com2015-06-18 → 2019-02-15 · 4 obs
● 2015-06-18 15:53:16
● 2019-02-15 09:12:32
○ 2026-02-24 03:38:34
○ 2026-08-09 08:26:12
NSns1.xserver.jp2026-02-24 → 2026-08-09 · 3 obs
○ 2019-02-15 09:12:32
● 2026-02-24 03:38:34
● 2026-08-09 08:26:12
NSns2.value-domain.com2015-06-18 → 2019-02-15 · 4 obs
● 2015-06-18 15:53:16
● 2019-02-15 09:12:32
○ 2026-02-24 03:38:34
○ 2026-08-09 08:26:12
NSns2.xserver.jp2026-02-24 → 2026-08-09 · 3 obs
○ 2019-02-15 09:12:32
● 2026-02-24 03:38:34
● 2026-08-09 08:26:12
NSns3.xserver.jp2026-02-24 → 2026-08-09 · 3 obs
○ 2019-02-15 09:12:32
● 2026-02-24 03:38:34
● 2026-08-09 08:26:12
NSns4.xserver.jp2026-02-24 → 2026-08-09 · 3 obs
○ 2019-02-15 09:12:32
● 2026-02-24 03:38:34
● 2026-08-09 08:26:12
NSns5.xserver.jp2026-02-24 → 2026-08-09 · 3 obs
○ 2019-02-15 09:12:32
● 2026-02-24 03:38:34
● 2026-08-09 08:26:12
MXyahoos.jp2015-06-18 → 2026-08-09 · 2 obs
● 2015-06-18 15:53:16
● 2026-08-09 08:26:12
A103.3.1.1422026-02-24 → 2026-08-09 · 3 obs
○ 2019-02-15 09:12:32
● 2026-02-24 03:38:34
● 2026-08-09 08:26:12
A202.172.28.262015-06-18 → 2019-02-15 · 4 obs
● 2015-06-18 15:53:16
● 2019-02-15 09:12:32
○ 2026-02-24 03:38:34
○ 2026-08-09 08:26:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
yahoos.jpns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.170

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yahoos.jp (unsigned zone)

⏱️ Timing

Total: 1137ms | Queries: -

📄 Records

TypeCountSample Data
A1103.3.1.142
NS5ns1.xserver.jp, ns4.xserver.jp...
MX1yahoos.jp (pri: 0)
TXT1v=spf1 +a:sv12301.xserver.jp +a:yahoos.j
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

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

Analysis

Mail Server Role

The MX record for yahoos.jp points back to yahoos.jp — it is its own mail server.

IP Addresses

yahoos.jp directs to one IP number, which is 103.3.1.142.

Among the host names that share IP numbers with yahoos.jp are sv12301.xserver.jp, mx.kyouwakougyou.jp, shirai-cc.com and two others.

Name Servers

The authoritative name servers for yahoos.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

yahoos.jp shares at least some of its name servers with other domains, including mitamama.jp, pan-ore.com, jyousai-ishiyama-dc.com and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp, ns5.xserver.jp and ns6.xserver.jp.

Hosts with three IP address records:

The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The hostname ns5.xserver.jp directs to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts that resolve to one IP address:

ns2.xserver.jp has the IP address 35.72.43.26.

ns3.xserver.jp has the IP address 202.226.36.247.

Mail Servers

The MX record for yahoos.jp points to a single mail server: yahoos.jp.

yahoos.jp directs to just one IP number, 103.3.1.142.