a-manager.com - robtex.com

a-manager.com

DNSSEC⚠️ Not signed
A103.141.96.134🇯🇵 XSERVER-AS103.141.96.0/24 XSERVER Inc.
PTRsv10773.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRip-202-226-36-164.defastlink.net
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRip-202-226-36-170.defastlink.net
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.
PTRip-183-90-224-226.defastlink.net
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRip-183-90-224-230.defastlink.net
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.
PTRip-157-112-182-218.defastlink.net
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
PTRip-157-112-182-220.defastlink.net
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXa-manager.com ⭐
A103.141.96.134🇯🇵 XSERVER-AS103.141.96.0/24 XSERVER Inc.
PTRsv10773.xserver.jp
TXTv=spf1 +a:sv10773.xserver.jp +a:a-manager.com +mx include:spf.sender.xserver....
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=1771291435

MX for

a-manager.com

Subdomains

ns2.a-manager.com
ns1.a-manager.com
dns2.a-manager.com

Same first word

a-manager.com

DNS History

20 records (7 active, 13 former)

2008201020122014201620182020202220242026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.a-manager.comns1.dan.comns1.freedns.wsns2.a-manager.comns2.dan.comns2.freedns.wsns3.freedns.wsns4.freedns.wsMXa-manager.comrelay.a-manager.comA103.141.96.134178.216.19.132a05:d014:9da:8c10:306e:3e07:a16f:a55252.58.78.1667.90.77.98
○NSns1.a-manager.com2007-08-23 → 2007-08-23 · 3 obs
● 2007-08-23 11:58:28
○ 2015-06-24 05:20:10
○ 2026-03-23 10:36:58
○NSns1.dan.com2020-01-01 → 2020-01-01 · 3 obs
○ 2015-10-30 03:08:58
● 2020-01-01 21:42:48
○ 2026-03-23 10:36:58
○NSns1.freedns.ws2015-06-24 → 2015-06-24 · 4 obs
○ 2007-08-23 11:58:28
● 2015-06-24 05:20:10
○ 2015-10-30 03:08:58
○ 2026-03-23 10:36:58
●NSns1.xserver.jp2026-03-23 → 2026-03-23 · 2 obs
○ 2020-01-01 21:42:48
● 2026-03-23 10:36:58
○NSns2.a-manager.com2007-08-23 → 2007-08-23 · 3 obs
● 2007-08-23 11:58:28
○ 2015-06-24 05:20:10
○ 2026-03-23 10:36:58
○NSns2.dan.com2020-01-01 → 2020-01-01 · 3 obs
○ 2015-10-30 03:08:58
● 2020-01-01 21:42:48
○ 2026-03-23 10:36:58
○NSns2.freedns.ws2015-06-24 → 2015-06-24 · 4 obs
○ 2007-08-23 11:58:28
● 2015-06-24 05:20:10
○ 2015-10-30 03:08:58
○ 2026-03-23 10:36:58
●NSns2.xserver.jp2026-03-23 → 2026-03-23 · 2 obs
○ 2020-01-01 21:42:48
● 2026-03-23 10:36:58
○NSns3.freedns.ws2015-06-24 → 2015-06-24 · 4 obs
○ 2007-08-23 11:58:28
● 2015-06-24 05:20:10
○ 2015-10-30 03:08:58
○ 2026-03-23 10:36:58
●NSns3.xserver.jp2026-03-23 → 2026-03-23 · 2 obs
○ 2020-01-01 21:42:48
● 2026-03-23 10:36:58
○NSns4.freedns.ws2015-06-24 → 2015-06-24 · 4 obs
○ 2007-08-23 11:58:28
● 2015-06-24 05:20:10
○ 2015-10-30 03:08:58
○ 2026-03-23 10:36:58
●NSns4.xserver.jp2026-03-23 → 2026-03-23 · 2 obs
○ 2020-01-01 21:42:48
● 2026-03-23 10:36:58
●NSns5.xserver.jp2026-03-23 → 2026-03-23 · 2 obs
○ 2020-01-01 21:42:48
● 2026-03-23 10:36:58
●MXa-manager.com2026-03-23 → 2026-03-23 · 2 obs
○ 2015-06-24 05:20:10
● 2026-03-23 10:36:58
○MXrelay.a-manager.com2007-08-23 → 2007-08-23 · 3 obs
● 2007-08-23 11:58:28
○ 2015-06-24 05:20:10
○ 2026-03-23 10:36:58
●A103.141.96.1342026-03-23 → 2026-03-23 · 2 obs
○ 2020-01-01 21:42:48
● 2026-03-23 10:36:58
○A178.216.19.132015-06-24 → 2015-06-24 · 4 obs
○ 2007-08-23 11:58:28
● 2015-06-24 05:20:10
○ 2015-10-30 03:08:58
○ 2026-03-23 10:36:58
○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522020-01-01 → 2020-01-01 · 3 obs
○ 2015-10-30 03:08:58
● 2020-01-01 21:42:48
○ 2026-03-23 10:36:58
○A52.58.78.162020-01-01 → 2020-01-01 · 3 obs
○ 2015-10-30 03:08:58
● 2020-01-01 21:42:48
○ 2026-03-23 10:36:58
○A67.90.77.982007-08-23 → 2007-08-23 · 3 obs
● 2007-08-23 11:58:28
○ 2015-06-24 05:20:10
○ 2026-03-23 10:36:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...-
a-manager.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.247

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 a-manager.com (unsigned zone)

⏱️ Timing

Total: 598ms | Queries: -

📄 Records

TypeCountSample Data
A1103.141.96.134
NS5ns5.xserver.jp, ns3.xserver.jp...
MX1a-manager.com (pri: 0)
TXT1v=spf1 +a:sv10773.xserver.jp +a:a-manage
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

a-manager.com has children ns2.a-manager.com, ns1.a-manager.com and dns2.a-manager.com.

Mail Server Role

a-manager.com is the mail server for a-manager.com.

IP Addresses

a-manager.com resolves to a single IP: 103.141.96.134.

Other host names, for instance tomizu.ed.jp, f-chord.com, sv10773.xserver.jp, hostmaster.eve-zeal.com and ns2.a-manager.com share IP numbers with a-manager.com.

Name Servers

a-manager.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

a-manager.com shares some name servers with other domains, for example smilekobo.com, s-sakura.com, toroblog.com, k-soushin.co.jp and tepro-g.com.

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 a-manager.com.

Host name a-manager.com points to IP 103.141.96.134.