niicov.com - robtex.com

niicov.com

DNSSEC⚠️ Not signed
A183.181.90.153🇯🇵 XSERVER-AS183.181.90.0/23 XSERVER Inc.
PTRsv8472.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
MXniicov.com
A183.181.90.153🇯🇵 XSERVER-AS183.181.90.0/23 XSERVER Inc.
PTRsv8472.xserver.jp
TXTv=spf1 +a:sv8472.xserver.jp +a:niicov.com +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@xserver.jp serial=0

com

MX for

Same first word

Similar names

DNS History

12 records (7 active, 5 former)

201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.systemdns.comns2.systemdns.comns3.systemdns.comMXniicov.commx.niicov.com.cust.b.hostedemail.comA183.181.90.15323.227.38.32
NSns1.systemdns.com2017-12-29 → 2017-12-29 · 3 obs
● 2017-12-29 23:36:32
○ 2026-07-17 21:25:02
○ 2026-07-18 22:53:06
NSns1.xserver.jp2026-07-17 → 2026-07-18 · 3 obs
○ 2017-12-29 23:36:32
● 2026-07-17 21:25:02
● 2026-07-18 22:53:06
NSns2.systemdns.com2017-12-29 → 2017-12-29 · 3 obs
● 2017-12-29 23:36:32
○ 2026-07-17 21:25:02
○ 2026-07-18 22:53:06
NSns2.xserver.jp2026-07-17 → 2026-07-18 · 3 obs
○ 2017-12-29 23:36:32
● 2026-07-17 21:25:02
● 2026-07-18 22:53:06
NSns3.systemdns.com2017-12-29 → 2017-12-29 · 3 obs
● 2017-12-29 23:36:32
○ 2026-07-17 21:25:02
○ 2026-07-18 22:53:06
NSns3.xserver.jp2026-07-17 → 2026-07-18 · 3 obs
○ 2017-12-29 23:36:32
● 2026-07-17 21:25:02
● 2026-07-18 22:53:06
NSns4.xserver.jp2026-07-17 → 2026-07-18 · 3 obs
○ 2017-12-29 23:36:32
● 2026-07-17 21:25:02
● 2026-07-18 22:53:06
NSns5.xserver.jp2026-07-17 → 2026-07-18 · 3 obs
○ 2017-12-29 23:36:32
● 2026-07-17 21:25:02
● 2026-07-18 22:53:06
MXmx.niicov.com.cust.b.hostedemail.com2017-12-29 → 2017-12-29 · 3 obs
● 2017-12-29 23:36:32
○ 2026-07-17 21:25:02
○ 2026-07-18 22:53:06
MXniicov.com2026-07-17 → 2026-07-18 · 3 obs
○ 2017-12-29 23:36:32
● 2026-07-17 21:25:02
● 2026-07-18 22:53:06
A183.181.90.1532026-07-17 → 2026-07-18 · 3 obs
○ 2017-12-29 23:36:32
● 2026-07-17 21:25:02
● 2026-07-18 22:53:06
A23.227.38.322017-12-29 → 2017-12-29 · 3 obs
● 2017-12-29 23:36:32
○ 2026-07-17 21:25:02
○ 2026-07-18 22:53:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net...-
niicov.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.246

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 niicov.com (unsigned zone)

⏱️ Timing

Total: 1222ms | Queries: -

📄 Records

TypeCountSample Data
A1183.181.90.153
NS5ns3.xserver.jp, ns1.xserver.jp...
MX1niicov.com (pri: 0)
TXT1v=spf1 +a:sv8472.xserver.jp +a:niicov.co
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

The MX record for niicov.com points back to niicov.com — it is its own mail server.

IP Addresses

niicov.com directs to one IP number, which is 183.181.90.153.

Among the host names that share IP numbers with niicov.com are yutakano-tosou.com, mail.masaharu0219.com, unfils.co.jp and two others.

Name Servers

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

niicov.com has at least partial name server overlap with other domains, such as hiroiumi.com, kurabiyori.jp, dspoiler.com and two others.

It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.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 niicov.com points to a single mail server: niicov.com.

niicov.com directs to just one IP number, 183.181.90.153.