centuryarks.com - robtex.com

centuryarks.com

DNSSEC⚠️ Not signed
A183.90.242.27🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv2126.xserver.jp
NSskydns99.otsuka-office365.jp ⭐
A157.205.203.139🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRskymst11.otsuka-office365.jp
NSskydns11.otsuka-office365.jp
A157.205.203.141🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRskydns11.otsuka-office365.jp
NSskydns12.otsuka-office365.jp
A157.205.160.35🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRskydns12.otsuka-office365.jp
NSskydns13.otsuka-office365.jp
A157.205.160.51🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRskydns13.otsuka-office365.jp
MXcenturyarks-com.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A2a01:111:f403:cc1a::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A2a01:111:f403:cc1a::2🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00302.inbound.protection.outlook.com
A2a01:111:f403:cc1f::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os9p286cu00100.inbound.protection.outlook.com
A52.101.124.1🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A52.101.124.5🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00305.inbound.protection.outlook.com
A52.101.157.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01302.inbound.protection.outlook.com
A52.101.157.11🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01203.inbound.protection.outlook.com
TXTv=spf1 +ip4:183.90.242.27 +ip4:133.125.0.71/32 include:spf.protection.outlook...
SOAskydns99.otsuka-office365.jphostmaster@otsuka-office365.jp 2025-08-19 #1

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

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSskydns11.otsuka-office365.jpskydns12.otsuka-office365.jpskydns13.otsuka-office365.jpskydns99.otsuka-office365.jpskydns01.otsuka-office365.jpskydns02.otsuka-office365.jpskydns03.otsuka-office365.jpskymst01.otsuka-office365.jpMXcenturyarks-com.mail.protection.outlook.comA183.90.242.2727.0.45.161
○NSskydns01.otsuka-office365.jp2015-07-13 → 2017-03-22 · 4 obs
● 2015-07-13 01:21:16
● 2017-03-22 13:04:06
○ 2020-04-12 01:11:52
○ 2026-03-09 05:16:12
○NSskydns02.otsuka-office365.jp2015-07-13 → 2017-03-22 · 4 obs
● 2015-07-13 01:21:16
● 2017-03-22 13:04:06
○ 2020-04-12 01:11:52
○ 2026-03-09 05:16:12
○NSskydns03.otsuka-office365.jp2015-07-13 → 2017-03-22 · 4 obs
● 2015-07-13 01:21:16
● 2017-03-22 13:04:06
○ 2020-04-12 01:11:52
○ 2026-03-09 05:16:12
●NSskydns11.otsuka-office365.jp2020-04-12 → 2026-03-09 · 3 obs
○ 2017-03-22 13:04:06
● 2020-04-12 01:11:52
● 2026-03-09 05:16:12
●NSskydns12.otsuka-office365.jp2020-04-12 → 2026-03-09 · 3 obs
○ 2017-03-22 13:04:06
● 2020-04-12 01:11:52
● 2026-03-09 05:16:12
●NSskydns13.otsuka-office365.jp2020-04-12 → 2026-03-09 · 3 obs
○ 2017-03-22 13:04:06
● 2020-04-12 01:11:52
● 2026-03-09 05:16:12
●NSskydns99.otsuka-office365.jp2020-04-12 → 2026-03-09 · 3 obs
○ 2017-03-22 13:04:06
● 2020-04-12 01:11:52
● 2026-03-09 05:16:12
○NSskymst01.otsuka-office365.jp2015-07-13 → 2017-03-22 · 4 obs
● 2015-07-13 01:21:16
● 2017-03-22 13:04:06
○ 2020-04-12 01:11:52
○ 2026-03-09 05:16:12
●MXcenturyarks-com.mail.protection.outlook.com2015-07-13 → 2026-03-09 · 2 obs
● 2015-07-13 01:21:16
● 2026-03-09 05:16:12
●A183.90.242.272020-04-12 → 2026-03-09 · 3 obs
○ 2017-03-22 13:04:06
● 2020-04-12 01:11:52
● 2026-03-09 05:16:12
○A27.0.45.1612015-07-13 → 2017-03-22 · 4 obs
● 2015-07-13 01:21:16
● 2017-03-22 13:04:06
○ 2020-04-12 01:11:52
○ 2026-03-09 05:16:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...-
centuryarks.comskydns11.otsuka-office365.jp, skydns12.otsuka-office365.jp, skydns13.otsuka-office365.jp-

✅ Authoritative Response

Server: 157.205.203.141

NS records: skydns11.otsuka-office365.jp, skydns12.otsuka-office365.jp, skydns13.otsuka-office365.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centuryarks.com (unsigned zone)

⏱️ Timing

Total: 1204ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.242.27
NS3skydns11.otsuka-office365.jp, skydns12.otsuka-office365.jp...
MX1centuryarks-com.mail.protection.outlook.
TXT1v=spf1 +ip4:183.90.242.27 +ip4:133.125.0
SOA1skydns99.otsuka-office365.jp hostmaster.

Analysis

IP Addresses

centuryarks.com resolves to a single IP address: 183.90.242.27.

Other host names including cliptime.jp, infoamp.jp, uncarnet.net, ambitious-i.net and yamatenni.com share IP numbers with centuryarks.com.

Name Servers

centuryarks.com is delegated to four name servers: skydns11.otsuka-office365.jp, skydns12.otsuka-office365.jp, skydns13.otsuka-office365.jp and skydns99.otsuka-office365.jp.

centuryarks.com at least partially shares name servers with other domains, including miyax.jp, nansui.co.jp, chuhatsu.co.jp, japankaika.co.jp and bjay.jp.

Hostnames with a single IP:

skydns11.otsuka-office365.jp points to 157.205.203.141

skydns12.otsuka-office365.jp points to 157.205.160.35

skydns13.otsuka-office365.jp points to 157.205.160.51

skydns99.otsuka-office365.jp points to 157.205.203.139

Mail Servers

centuryarks.com is handled by a single mail server, centuryarks-com.mail.protection.outlook.com.

Hostname centuryarks-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1f::, 52.101.124.1, 52.101.124.5, 52.101.157.10 and 52.101.157.11.