web-kohyo-dev.jp - robtex.com

web-kohyo-dev.jp

DNSSEC⚠️ Not signed
A13.249.91.6🇺🇸 Amazon13.249.88.0/21 Prod
PTRserver-13-249-91-6.jfk52.r.cloudfront.net
A13.249.91.8🇺🇸 Amazon13.249.88.0/21 Prod
A13.249.91.45🇺🇸 Amazon13.249.88.0/21 Prod
A13.249.91.76🇺🇸 Amazon13.249.88.0/21 Prod
NSns-1594.awsdns-07.co.uk ⭐
A2600:9000:5306:3a00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1594.awsdns-07.co.uk
A205.251.198.58🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1594.awsdns-07.co.uk
NSns-1157.awsdns-16.org
A2600:9000:5304:8500::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1157.awsdns-16.org
A205.251.196.133🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1157.awsdns-16.org
NSns-403.awsdns-50.com
A2600:9000:5301:9300::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-403.awsdns-50.com
A205.251.193.147🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-403.awsdns-50.com
NSns-589.awsdns-09.net
A2600:9000:5302:4d00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-589.awsdns-09.net
A205.251.194.77🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-589.awsdns-09.net
SOAns-1594.awsdns-07.co.ukawsdns-hostmaster@amazon.com serial=1

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1775403902

Same first word

web-kohyo-dev.jp

DNS History

16 records (8 active, 8 former)

NSns-1157.awsdns-16.orgns-1594.awsdns-07.co.ukns-403.awsdns-50.comns-589.awsdns-09.netA13.249.91.4513.249.91.613.249.91.7613.249.91.818.165.116.1518.165.116.4918.165.116.6618.165.116.8918.165.43.10118.165.43.12618.165.43.4218.165.43.94
●NSns-1157.awsdns-16.org2026-04-01 → 2026-04-05 · 2 obs
● 2026-04-01 02:16:16
● 2026-04-05 15:51:14
●NSns-1594.awsdns-07.co.uk2026-04-01 → 2026-04-05 · 2 obs
● 2026-04-01 02:16:16
● 2026-04-05 15:51:14
●NSns-403.awsdns-50.com2026-04-01 → 2026-04-05 · 2 obs
● 2026-04-01 02:16:16
● 2026-04-05 15:51:14
●NSns-589.awsdns-09.net2026-04-01 → 2026-04-05 · 2 obs
● 2026-04-01 02:16:16
● 2026-04-05 15:51:14
●A13.249.91.452026-04-05 → 2026-04-05 · 3 obs
○ 2026-04-01 11:47:54
● 2026-04-05 05:06:22
● 2026-04-05 15:51:14
●A13.249.91.62026-04-05 → 2026-04-05 · 3 obs
○ 2026-04-01 11:47:54
● 2026-04-05 05:06:22
● 2026-04-05 15:51:14
●A13.249.91.762026-04-05 → 2026-04-05 · 3 obs
○ 2026-04-01 11:47:54
● 2026-04-05 05:06:22
● 2026-04-05 15:51:14
●A13.249.91.82026-04-05 → 2026-04-05 · 3 obs
○ 2026-04-01 11:47:54
● 2026-04-05 05:06:22
● 2026-04-05 15:51:14
○A18.165.116.152026-04-01 → 2026-04-01 · 4 obs
○ 2026-04-01 02:16:16
● 2026-04-01 11:47:54
○ 2026-04-05 05:06:22
○ 2026-04-05 15:51:14
○A18.165.116.492026-04-01 → 2026-04-01 · 4 obs
○ 2026-04-01 02:16:16
● 2026-04-01 11:47:54
○ 2026-04-05 05:06:22
○ 2026-04-05 15:51:14
○A18.165.116.662026-04-01 → 2026-04-01 · 4 obs
○ 2026-04-01 02:16:16
● 2026-04-01 11:47:54
○ 2026-04-05 05:06:22
○ 2026-04-05 15:51:14
○A18.165.116.892026-04-01 → 2026-04-01 · 4 obs
○ 2026-04-01 02:16:16
● 2026-04-01 11:47:54
○ 2026-04-05 05:06:22
○ 2026-04-05 15:51:14
○A18.165.43.1012026-04-01 → 2026-04-01 · 3 obs
● 2026-04-01 02:16:16
○ 2026-04-01 11:47:54
○ 2026-04-05 15:51:14
○A18.165.43.1262026-04-01 → 2026-04-01 · 3 obs
● 2026-04-01 02:16:16
○ 2026-04-01 11:47:54
○ 2026-04-05 15:51:14
○A18.165.43.422026-04-01 → 2026-04-01 · 3 obs
● 2026-04-01 02:16:16
○ 2026-04-01 11:47:54
○ 2026-04-05 15:51:14
○A18.165.43.942026-04-01 → 2026-04-01 · 3 obs
● 2026-04-01 02:16:16
○ 2026-04-01 11:47:54
○ 2026-04-05 15:51:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
web-kohyo-dev.jpns-403.awsdns-50.com, ns-589.awsdns-09.net, ns-1157.awsdns-16.org, ns-1594.awsdns-07.co.uk-

✅ Authoritative Response

Server:205.251.193.147

NS records: ns-403.awsdns-50.com, ns-589.awsdns-09.net, ns-1157.awsdns-16.org, ns-1594.awsdns-07.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for web-kohyo-dev.jp (unsigned zone)

⏱️ Timing

Total: 933ms | Queries: -

📄 Records

TypeCountSample Data
A413.249.91.76, 13.249.91.6...
NS4ns-1157.awsdns-16.org, ns-1594.awsdns-07.co.uk...
SOA1ns-1594.awsdns-07.co.uk awsdns-hostmaste

Analysis

IP Addresses

web-kohyo-dev.jp points to four IP numbers: 13.249.91.6, 13.249.91.8, 13.249.91.45 and 13.249.91.76.

Other host names, for instance az.genial.ly, browserjs.core.cloud.vewd.com, d3emmwjsoke5z5.cloudfront.net, beaverstliquor.com and codekingfun.club share IP numbers with web-kohyo-dev.jp.

Name Servers

web-kohyo-dev.jp is delegated to four name servers: ns-403.awsdns-50.com, ns-589.awsdns-09.net, ns-1157.awsdns-16.org and ns-1594.awsdns-07.co.uk.

web-kohyo-dev.jp at least partially shares name servers with other domains, for instance d18m8r97aoeo20.cloudfront.net, d121zy3cex3btb.cloudfront.net, bryantsworld.com, mycybex.de and eu-north-1.amazonses.com.

These name servers are commonly used alongside ns1-24-ap-east-1.ec2-rdns.amazonaws.com, ns2-24-ap-east-1.ec2-rdns.amazonaws.com, ns3-24-ap-east-1.ec2-rdns.amazonaws.com and ns4-24-ap-east-1.ec2-rdns.amazonaws.com.

Host names with two IP numbers:

ns-403.awsdns-50.com points to: 2600:9000:5301:9300::1 and 205.251.193.147.

ns-589.awsdns-09.net points to: 2600:9000:5302:4d00::1 and 205.251.194.77.

ns-1157.awsdns-16.org points to: 2600:9000:5304:8500::1 and 205.251.196.133.

ns-1594.awsdns-07.co.uk points to: 2600:9000:5306:3a00::1 and 205.251.198.58.