kk-alpha.com - robtex.com

kk-alpha.com

DNSSEC⚠️ Not signed
A157.205.192.233🇯🇵 AICS157.205.192.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp
PTRwebsvr157-205-192-233.alpha-prm.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
MXkkalpha-com0e.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:cc1f::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os9p286cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc24::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.5🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00305.inbound.protection.outlook.com
A52.101.124.6🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00206.inbound.protection.outlook.com
A52.101.157.11🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01203.inbound.protection.outlook.com
A52.101.157.40🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os9p286cu00100.inbound.protection.outlook.com
MXmailgate20.skyarch.ne.jp(20)
TXTt7sVHM6H0uNVal1HzEBS3URJ6yL8FL
TXTv=spf1 a:fazit.kk-alpha.cz include:spf.protection.outlook.com -all
SOAskydns99.otsuka-office365.jphostmaster@otsuka-office365.jp 2026-04-16 #10

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=1777123241
rank #739253 globally
rank #332106 in the tld
WOT: SAFE (62/100)

PTR for

223.154.172.210.in-addr.arpa

Subdomains

www.kk-alpha.com

Same first word

kk-alpha.com

Similar names

alpha-kk.jp

DNS History

15 records (7 active, 8 former)

20162017201820192020202120222023202420252026NSskydns11.otsuka-office365.jpskydns12.otsuka-office365.jpskydns13.otsuka-office365.jpskydns99.otsuka-office365.jpns.kk-alpha.comns20.skyarch.ne.jpskydns01.otsuka-office365.jpskydns02.otsuka-office365.jpskydns03.otsuka-office365.jpskymst01.otsuka-office365.jpMXkkalpha-com0e.mail.protection.outlook.commailgate20.skyarch.ne.jpA157.205.192.233157.205.44.12054.250.198.144
○NSns.kk-alpha.com2015-06-30 → 2016-05-01 · 4 obs
● 2015-06-30 04:26:12
● 2016-05-01 13:36:02
○ 2017-01-18 04:19:24
○ 2026-04-25 13:45:10
○NSns20.skyarch.ne.jp2015-06-30 → 2016-05-01 · 4 obs
● 2015-06-30 04:26:12
● 2016-05-01 13:36:02
○ 2017-01-18 04:19:24
○ 2026-04-25 13:45:10
○NSskydns01.otsuka-office365.jp2017-01-18 → 2017-01-18 · 4 obs
○ 2016-05-01 13:36:02
● 2017-01-18 04:19:24
○ 2026-03-25 21:28:16
○ 2026-04-25 13:45:10
○NSskydns02.otsuka-office365.jp2017-01-18 → 2017-01-18 · 4 obs
○ 2016-05-01 13:36:02
● 2017-01-18 04:19:24
○ 2026-03-25 21:28:16
○ 2026-04-25 13:45:10
○NSskydns03.otsuka-office365.jp2017-01-18 → 2017-01-18 · 4 obs
○ 2016-05-01 13:36:02
● 2017-01-18 04:19:24
○ 2026-03-25 21:28:16
○ 2026-04-25 13:45:10
●NSskydns11.otsuka-office365.jp2026-03-25 → 2026-04-25 · 3 obs
○ 2017-01-18 04:19:24
● 2026-03-25 21:28:16
● 2026-04-25 13:45:10
●NSskydns12.otsuka-office365.jp2026-03-25 → 2026-04-25 · 3 obs
○ 2017-01-18 04:19:24
● 2026-03-25 21:28:16
● 2026-04-25 13:45:10
●NSskydns13.otsuka-office365.jp2026-03-25 → 2026-04-25 · 3 obs
○ 2017-01-18 04:19:24
● 2026-03-25 21:28:16
● 2026-04-25 13:45:10
●NSskydns99.otsuka-office365.jp2026-03-25 → 2026-04-25 · 3 obs
○ 2017-01-18 04:19:24
● 2026-03-25 21:28:16
● 2026-04-25 13:45:10
○NSskymst01.otsuka-office365.jp2017-01-18 → 2017-01-18 · 4 obs
○ 2016-05-01 13:36:02
● 2017-01-18 04:19:24
○ 2026-03-25 21:28:16
○ 2026-04-25 13:45:10
●MXkkalpha-com0e.mail.protection.outlook.com2015-06-30 → 2026-04-25 · 2 obs
● 2015-06-30 04:26:12
● 2026-04-25 13:45:10
●MXmailgate20.skyarch.ne.jp2015-06-30 → 2026-04-25 · 2 obs
● 2015-06-30 04:26:12
● 2026-04-25 13:45:10
●A157.205.192.2332026-03-25 → 2026-04-25 · 3 obs
○ 2017-01-18 04:19:24
● 2026-03-25 21:28:16
● 2026-04-25 13:45:10
○A157.205.44.1202017-01-18 → 2017-01-18 · 4 obs
○ 2016-05-01 13:36:02
● 2017-01-18 04:19:24
○ 2026-03-25 21:28:16
○ 2026-04-25 13:45:10
○A54.250.198.1442015-06-30 → 2016-05-01 · 4 obs
● 2015-06-30 04:26:12
● 2016-05-01 13:36:02
○ 2017-01-18 04:19:24
○ 2026-04-25 13:45:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...-
kk-alpha.comskydns11.otsuka-office365.jp, skydns12.otsuka-office365.jp, skydns13.otsuka-office365.jp-

✅ Authoritative Response

Server:157.205.160.51

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kk-alpha.com (unsigned zone)

⏱️ Timing

Total: 1339ms | Queries: -

📄 Records

TypeCountSample Data
A1157.205.192.233
NS3skydns13.otsuka-office365.jp, skydns11.otsuka-office365.jp...
MX2mailgate20.skyarch.ne.jp (pri: 20), kkalpha-com0e.mail.protection.outlook.co
TXT2v=spf1 a:fazit.kk-alpha.cz include:spf.p, t7sVHM6H0uNVal1HzEBS3URJ6yL8FL
SOA1skydns99.otsuka-office365.jp hostmaster.

Analysis

Hierarchy

www.kk-alpha.com has kk-alpha.com as its parent.

IP Addresses

kk-alpha.com maps to IP address 157.205.192.233.

Other host names for instance www.kk-alpha.com and websvr157-205-192-233.alpha-prm.jp share IP numbers with kk-alpha.com.

Name Servers

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

kk-alpha.com at least partially shares name servers with other domains such as schedule-coordination.jp, iima.or.jp, sakurajp-eng.com, mclogi.jp and heiwa-net.co.jp.

Host names with one IP number:

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

Two mail servers handle kk-alpha.com: mailgate20.skyarch.ne.jp and kkalpha-com0e.mail.protection.outlook.com.

Host names with eight IP numbers: kkalpha-com0e.mail.protection.outlook.com points to 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1f::, 2a01:111:f403:cc24::, 52.101.124.5, 52.101.124.6, 52.101.157.11 and 52.101.157.40.