byu-cs.com - robtex.com

byu-cs.com

DNSSEC⚠️ Not signed
A60.43.230.164🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
PTRbyu-cs.com
NSmwns1.customer.ne.jp ⭐
A210.150.23.210🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE
NSmwns2.customer.ne.jp
A202.17.152.183🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE
MXmwbgw1.ocn.ad.jp ⭐
A210.145.253.233🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
MXmwbgw2.ocn.ad.jp ⭐
A210.145.253.234🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
TXTv=spf1 a include:_spf.bizmw.com ~all
SOAmwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613754286

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=1774880287

Same first word

byu-cs.com

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSmwns1.customer.ne.jpmwns2.customer.ne.jpns-207.dns.jp-e1.cloudn-service.comns-208.dns.jp-w1.cloudn-service.comns-209.dns.us-e1.cloudn-service.comns1.secure.netns2.secure.netMXmwbgw1.ocn.ad.jpmwbgw2.ocn.ad.jpvcgw1.ocn.ad.jpvcgw2.ocn.ad.jpA60.43.230.16461.126.26.23
●NSmwns1.customer.ne.jp2026-03-21 → 2026-03-30 · 3 obs
○ 2018-06-18 08:12:38
● 2026-03-21 15:11:16
● 2026-03-30 14:25:44
●NSmwns2.customer.ne.jp2026-03-21 → 2026-03-30 · 3 obs
○ 2018-06-18 08:12:38
● 2026-03-21 15:11:16
● 2026-03-30 14:25:44
○NSns-207.dns.jp-e1.cloudn-service.com2016-02-09 → 2018-06-18 · 5 obs
○ 2015-11-14 13:13:10
● 2016-02-09 05:29:58
● 2018-06-18 08:12:38
○ 2026-03-21 15:11:16
○ 2026-03-30 14:25:44
○NSns-208.dns.jp-w1.cloudn-service.com2016-02-09 → 2018-06-18 · 5 obs
○ 2015-11-14 13:13:10
● 2016-02-09 05:29:58
● 2018-06-18 08:12:38
○ 2026-03-21 15:11:16
○ 2026-03-30 14:25:44
○NSns-209.dns.us-e1.cloudn-service.com2016-02-09 → 2018-06-18 · 5 obs
○ 2015-11-14 13:13:10
● 2016-02-09 05:29:58
● 2018-06-18 08:12:38
○ 2026-03-21 15:11:16
○ 2026-03-30 14:25:44
○NSns1.secure.net2015-06-11 → 2015-11-14 · 4 obs
● 2015-06-11 20:31:34
● 2015-11-14 13:13:10
○ 2016-02-09 05:29:58
○ 2026-03-30 14:25:44
○NSns2.secure.net2015-06-11 → 2015-11-14 · 4 obs
● 2015-06-11 20:31:34
● 2015-11-14 13:13:10
○ 2016-02-09 05:29:58
○ 2026-03-30 14:25:44
●MXmwbgw1.ocn.ad.jp2015-10-08 → 2026-03-30 · 3 obs
○ 2015-06-11 20:31:34
● 2015-10-08 06:17:04
● 2026-03-30 14:25:44
●MXmwbgw2.ocn.ad.jp2015-10-08 → 2026-03-30 · 3 obs
○ 2015-06-11 20:31:34
● 2015-10-08 06:17:04
● 2026-03-30 14:25:44
○MXvcgw1.ocn.ad.jp2015-06-11 → 2015-06-11 · 3 obs
● 2015-06-11 20:31:34
○ 2015-10-08 06:17:04
○ 2026-03-30 14:25:44
○MXvcgw2.ocn.ad.jp2015-06-11 → 2015-06-11 · 3 obs
● 2015-06-11 20:31:34
○ 2015-10-08 06:17:04
○ 2026-03-30 14:25:44
●A60.43.230.1642026-03-21 → 2026-03-30 · 3 obs
○ 2018-06-18 08:12:38
● 2026-03-21 15:11:16
● 2026-03-30 14:25:44
○A61.126.26.232015-06-11 → 2018-06-18 · 4 obs
● 2015-06-11 20:31:34
● 2018-06-18 08:12:38
○ 2026-03-21 15:11:16
○ 2026-03-30 14:25:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
byu-cs.commwns1.customer.ne.jp, mwns2.customer.ne.jp-

✅ Authoritative Response

Server:202.17.152.183

NS records: mwns1.customer.ne.jp, mwns2.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for byu-cs.com (unsigned zone)

⏱️ Timing

Total: 1083ms | Queries: -

📄 Records

TypeCountSample Data
A160.43.230.164
NS2mwns2.customer.ne.jp, mwns1.customer.ne.jp
MX2mwbgw2.ocn.ad.jp (pri: 10), mwbgw1.ocn.ad.jp (pri: 10)
TXT1v=spf1 a include:_spf.bizmw.com ~all
SOA1mwns1.customer.ne.jp host-plan-ac.ntt.co

Analysis

IP Addresses

byu-cs.com points to IP number: 60.43.230.164.

Name Servers

byu-cs.com is delegated to two name servers: mwns1.customer.ne.jp and mwns2.customer.ne.jp.

byu-cs.com shares the same name server setup as kawamoto-cargo.jp, minke.jp, ohaka.co.jp, alphanovatech.com and nakazato-s.ed.jp.

Host names with a single IP:

mwns1.customer.ne.jp points to 210.150.23.210.

mwns2.customer.ne.jp points to 202.17.152.183.

Mail Servers

byu-cs.com is handled by two mail servers: mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.

The mail server setup for byu-cs.com matches that of other domains, for instance sankusu.jp, amusepro.co.jp, nvn-japan.com, m1s.jp and anfo.jp.

byu-cs.com shares mail servers with other domains, for instance taisei-yakuhin.co.jp and tobuws.co.jp.

Host names with a single IP:

mwbgw1.ocn.ad.jp points to 210.145.253.233.

mwbgw2.ocn.ad.jp points to 210.145.253.234.