office-bit.com - robtex.com

office-bit.com

DNSSEC⚠️ Not signed
A183.181.89.146🇯🇵 XSERVER-AS183.181.88.0/23 XSERVER Inc.
PTRsv8305.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
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c07::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbc-in-f26.1e100.net
A172.253.63.27🇺🇸 Google172.253.63.0/24
PTRbi-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:4013:c1e::1b🇳🇱 Google2a00:1450:4013::/48
PTRyugrqzs-in-f27.1e100.net
A192.178.213.27🇺🇸 Google192.178.213.0/24
PTRyugrqzs-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRip-192-178-223-27.defastlink.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4003:c4a::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulth-in-f27.1e100.net
A142.251.96.27🇺🇸 Google142.250.0.0/15
PTRyutulth-in-f27.1e100.net
TXTv=spf1 +a:sv8305.xserver.jp +a:office-bit.com +mx include:_spf.google.com ~all
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=1774686097

Same first word

office-bit.com

DNS History

18 records (11 active, 7 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns4.cpi.ad.jpns5.cpi.ad.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA183.181.89.146122.200.210.93
●NSns1.xserver.jp2020-03-16 → 2026-03-28 · 3 obs
○ 2016-12-24 17:27:56
● 2020-03-16 05:45:36
● 2026-03-28 08:25:04
●NSns2.xserver.jp2020-03-16 → 2026-03-28 · 3 obs
○ 2016-12-24 17:27:56
● 2020-03-16 05:45:36
● 2026-03-28 08:25:04
●NSns3.xserver.jp2020-03-16 → 2026-03-28 · 3 obs
○ 2016-12-24 17:27:56
● 2020-03-16 05:45:36
● 2026-03-28 08:25:04
○NSns4.cpi.ad.jp2015-08-21 → 2016-12-24 · 4 obs
● 2015-08-21 15:31:16
● 2016-12-24 17:27:56
○ 2020-03-16 05:45:36
○ 2026-03-28 08:25:04
●NSns4.xserver.jp2020-03-16 → 2026-03-28 · 3 obs
○ 2016-12-24 17:27:56
● 2020-03-16 05:45:36
● 2026-03-28 08:25:04
○NSns5.cpi.ad.jp2015-08-21 → 2016-12-24 · 4 obs
● 2015-08-21 15:31:16
● 2016-12-24 17:27:56
○ 2020-03-16 05:45:36
○ 2026-03-28 08:25:04
●NSns5.xserver.jp2020-03-16 → 2026-03-28 · 3 obs
○ 2016-12-24 17:27:56
● 2020-03-16 05:45:36
● 2026-03-28 08:25:04
●MXalt1.aspmx.l.google.com2015-08-21 → 2026-03-28 · 2 obs
● 2015-08-21 15:31:16
● 2026-03-28 08:25:04
●MXalt2.aspmx.l.google.com2015-08-21 → 2026-03-28 · 2 obs
● 2015-08-21 15:31:16
● 2026-03-28 08:25:04
●MXalt3.aspmx.l.google.com2020-03-16 → 2026-03-28 · 3 obs
○ 2016-12-24 17:27:56
● 2020-03-16 05:45:36
● 2026-03-28 08:25:04
●MXalt4.aspmx.l.google.com2020-03-16 → 2026-03-28 · 3 obs
○ 2016-12-24 17:27:56
● 2020-03-16 05:45:36
● 2026-03-28 08:25:04
●MXaspmx.l.google.com2015-08-21 → 2026-03-28 · 2 obs
● 2015-08-21 15:31:16
● 2026-03-28 08:25:04
○MXaspmx2.googlemail.com2015-08-21 → 2016-12-24 · 4 obs
● 2015-08-21 15:31:16
● 2016-12-24 17:27:56
○ 2020-03-16 05:45:36
○ 2026-03-28 08:25:04
○MXaspmx3.googlemail.com2015-08-21 → 2016-12-24 · 4 obs
● 2015-08-21 15:31:16
● 2016-12-24 17:27:56
○ 2020-03-16 05:45:36
○ 2026-03-28 08:25:04
○MXaspmx4.googlemail.com2015-08-21 → 2016-12-24 · 4 obs
● 2015-08-21 15:31:16
● 2016-12-24 17:27:56
○ 2020-03-16 05:45:36
○ 2026-03-28 08:25:04
○MXaspmx5.googlemail.com2015-08-21 → 2016-12-24 · 4 obs
● 2015-08-21 15:31:16
● 2016-12-24 17:27:56
○ 2020-03-16 05:45:36
○ 2026-03-28 08:25:04
○A122.200.210.932015-08-21 → 2016-12-24 · 4 obs
● 2015-08-21 15:31:16
● 2016-12-24 17:27:56
○ 2020-03-16 05:45:36
○ 2026-03-28 08:25:04
●A183.181.89.1462020-03-16 → 2026-03-28 · 3 obs
○ 2016-12-24 17:27:56
● 2020-03-16 05:45:36
● 2026-03-28 08:25:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
office-bit.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 office-bit.com (unsigned zone)

⏱️ Timing

Total: 1114ms | Queries: -

📄 Records

TypeCountSample Data
A1183.181.89.146
NS5ns2.xserver.jp, ns1.xserver.jp...
MX5ALT1.ASPMX.L.GOOGLE.com (pri: 5), ALT4.ASPMX.L.GOOGLE.com (pri: 10)...
TXT1v=spf1 +a:sv8305.xserver.jp +a:office-bi
SOA1ns1.xserver.jp root.xserver.jp

Analysis

IP Addresses

office-bit.com points to IP number 183.181.89.146.

For instance, other host names yamada-denki.net, 3tama.org, garage-fukui.com, sv8305.xserver.jp and one-writing.com share IP numbers with office-bit.com.

Name Servers

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

office-bit.com shares name servers with other domains at least partially, for example radix-fan.com, jbcea.com, ichimon.net, murasakino.audio and sdent-fukurou.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

Five mail servers handle office-bit.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

office-bit.com shares mail servers with other domains at least partially; for instance vocaciondocente.edu.ar, cruisedirector.com, ns500754.ns500742.ns500754.ns500671.ns500754.ns500731.ns500704.ns500705.ns500704.ns500704.ns500649.ns500649.ns500291.ns500153.tenderladiesbz.com, ns500758.ns500759.ns500698.ns500698.ns500698.ns500758.ns500736.ns500735.ns500735.ns500736.ns500698.ns500735.ns500708.ns500698.ns500708.ns500698.ns500652.trackreceptor.com and ns500699.ns500693.ns500734.ns500693.ns500734.ns500693.ns500588.ns500588.ns500588.ns500693.ns500693.ns500588.ns500699.ns500693.ns500588.ns500110.dtrkdll.com.

these mail servers are commonly used alongside aspmx3.googlemail.com and aspmx2.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c07::1a and 172.253.63.27

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1b and 192.178.128.26

alt2.aspmx.l.google.com points to 2a00:1450:4013:c1e::1b and 192.178.213.27

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27

alt4.aspmx.l.google.com points to 2607:f8b0:4003:c4a::1b and 142.251.96.27