tutor-select.com - robtex.com

tutor-select.com

DNSSEC⚠️ Not signed
A162.43.122.183🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14582.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
MXtutor-select.com ⭐
A162.43.122.183🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14582.xserver.jp
TXTv=spf1 +a:sv14582.xserver.jp +a:tutor-select.com +mx include:spf.sender.xserv...
SOAns1.xserver.jproot@xserver.jp serial=0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776108237

MX for

tutor-select.com

Same first word

tutor-select.com

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.7cloudcomputing.comns2.7cloudcomputing.comns3.7artisan.netns4.7artisan.netsns179.websitewelcome.comsns180.websitewelcome.comMXtutor-select.comA162.43.122.183129.121.67.6969.93.76.11694.46.51.31
○NSns1.7cloudcomputing.com2015-11-07 → 2017-02-18 · 5 obs
○ 2015-07-17 23:50:10
● 2015-11-07 11:26:28
● 2017-02-18 11:13:48
○ 2020-03-07 12:38:44
○ 2026-04-13 19:26:00
●NSns1.xserver.jp2026-04-13 → 2026-04-13 · 2 obs
○ 2020-03-07 12:38:44
● 2026-04-13 19:26:00
○NSns2.7cloudcomputing.com2015-11-07 → 2017-02-18 · 5 obs
○ 2015-07-17 23:50:10
● 2015-11-07 11:26:28
● 2017-02-18 11:13:48
○ 2020-03-07 12:38:44
○ 2026-04-13 19:26:00
●NSns2.xserver.jp2026-04-13 → 2026-04-13 · 2 obs
○ 2020-03-07 12:38:44
● 2026-04-13 19:26:00
○NSns3.7artisan.net2020-03-07 → 2020-03-07 · 3 obs
○ 2017-02-18 11:13:48
● 2020-03-07 12:38:44
○ 2026-04-13 19:26:00
●NSns3.xserver.jp2026-04-13 → 2026-04-13 · 2 obs
○ 2020-03-07 12:38:44
● 2026-04-13 19:26:00
○NSns4.7artisan.net2020-03-07 → 2020-03-07 · 3 obs
○ 2017-02-18 11:13:48
● 2020-03-07 12:38:44
○ 2026-04-13 19:26:00
●NSns4.xserver.jp2026-04-13 → 2026-04-13 · 2 obs
○ 2020-03-07 12:38:44
● 2026-04-13 19:26:00
●NSns5.xserver.jp2026-04-13 → 2026-04-13 · 2 obs
○ 2020-03-07 12:38:44
● 2026-04-13 19:26:00
○NSsns179.websitewelcome.com2015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 23:50:10
○ 2015-11-07 11:26:28
○ 2026-04-13 19:26:00
○NSsns180.websitewelcome.com2015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 23:50:10
○ 2015-11-07 11:26:28
○ 2026-04-13 19:26:00
●MXtutor-select.com2015-07-17 → 2026-04-13 · 2 obs
● 2015-07-17 23:50:10
● 2026-04-13 19:26:00
○A129.121.67.692015-11-07 → 2017-02-18 · 5 obs
○ 2015-07-17 23:50:10
● 2015-11-07 11:26:28
● 2017-02-18 11:13:48
○ 2020-03-07 12:38:44
○ 2026-04-13 19:26:00
●A162.43.122.1832026-04-13 → 2026-04-13 · 2 obs
○ 2020-03-07 12:38:44
● 2026-04-13 19:26:00
○A69.93.76.1162015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 23:50:10
○ 2015-11-07 11:26:28
○ 2026-04-13 19:26:00
○A94.46.51.312020-03-07 → 2020-03-07 · 3 obs
○ 2017-02-18 11:13:48
● 2020-03-07 12:38:44
○ 2026-04-13 19:26:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
tutor-select.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ 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 tutor-select.com (unsigned zone)

⏱️ Timing

Total: 2949ms | Queries: -

📄 Records

TypeCountSample Data
A1162.43.122.183
NS5ns5.xserver.jp, ns4.xserver.jp...
MX1tutor-select.com (pri: 0)
TXT1v=spf1 +a:sv14582.xserver.jp +a:tutor-se
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

For tutor-select.com, the mail server is tutor-select.com.

IP Addresses

tutor-select.com points to a single IP number: 162.43.122.183.

other host names for instance 05-plus.com, runrun-life-04.com, mx.the-vanquish.com, 04-plus.com and 001info.net share IP numbers with tutor-select.com.

Name Servers

tutor-select.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

tutor-select.com at least partially shares name servers with other domains, for instance hmscrown.com, nagaredou-school.com, mukutto.com, acrossv.com and kt-corpjpn.co.jp.

Host names with three IP numbers

ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number

ns2.xserver.jp points to: 35.72.43.26.

ns3.xserver.jp points to: 202.226.36.247.

Mail Servers

One mail server handles tutor-select.com.

Host name tutor-select.com points to IP address 162.43.122.183.