jpcert.org - robtex.com

jpcert.org

DNSSEC🔒 Signed (DS record present)
A2600:9000:2112:5400:14:2109:b540:93a1🇺🇸 Amazon2600:9000:2112::/48 - CloudFront
A2600:9000:2112:ec00:14:2109:b540:93a1🇺🇸 Amazon2600:9000:2112::/48 - CloudFront
A13.249.146.11🇺🇸 Amazon13.249.146.0/24
A13.249.146.108🇺🇸 Amazon13.249.146.0/24
NSns000.d-53.net ⭐
NSns011-s6b550k5f9kfn4bh.s.d-53.info
A2001:240:bb81::28:42🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs011.d-53.biz
A202.32.219.42🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs011.d-53.biz
NSns011-s6b550k5f9kfn4bh.s.d-53.jp
A2001:240:bb81::29:1102🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs011.d-53.org
A203.180.146.102🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs011.d-53.org
NSns011-s6b550k5f9kfn4bh.s.d-53.net
A2001:240:bb81::29:102🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs011.d-53.net
A210.138.20.102🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs011.d-53.net
TXTv=spf1 ip4:210.148.223.6 ip4:210.148.223.3 ip4:210.148.223.19 ip4:61.211.237....
TXTGFd247RglvctZxoJDf9fa0VrYTdEPD
TXTVIp4D9vHkDSRy6F2iTW6uC9IZIqKZE
TXTdwRNrAcJxeXmrLPv0koqLfc4JobwXV
TXTfRlOMrP6xBy87zKxl9Yu5yQ5OZ0WDM
TXTgoogle-site-verification=hxzoBZk7uacHJ8oEYhF9tMN0zF7weI620L_cyR3lcSA
SOAns000.d-53.netdns-managers@iij.ad.jp serial=80550

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1776218401
⚠️ On DNS blocklist: tif

Same first word

jpcert.or.jp
jpcert.cc
jpcert.net
jpcert.org
jpcert.jp
jpcert.com

Similar names

prject.website
jtecpr.com
prjtec.de
tjrcep.com
prjtec.com
jtcerp.com
prject.com

DNS History

44 records (8 active, 36 former)

201820192020202120222023202420252026NSns000.d-53.netns011-s6b550k5f9kfn4bh.s.d-53.infons011-s6b550k5f9kfn4bh.s.d-53.jpns011-s6b550k5f9kfn4bh.s.d-53.netdns-b.iij.ad.jpdns-c.iij.ad.jpns-1402.awsdns-47.orgns-2017.awsdns-60.co.ukns-207.awsdns-25.comns-993.awsdns-60.netA13.249.146.10813.249.146.112600:9000:2112:5400:14:2109:b540:93a12600:9000:2112:ec00:14:2109:b540:93a113.249.146.4813.249.146.822600:9000:2112:2a00:14:2109:b540:93a12600:9000:2112:2c00:14:2109:b540:93a12600:9000:2112:3400:14:2109:b540:93a12600:9000:2112:5000:14:2109:b540:93a12600:9000:2112:6200:14:2109:b540:93a12600:9000:2112:7e00:14:2109:b540:93a12600:9000:2112:9000:14:2109:b540:93a12600:9000:2112:a400:14:2109:b540:93a12600:9000:2112:c400:14:2109:b540:93a12600:9000:2112:e000:14:2109:b540:93a12600:9000:2112:fe00:14:2109:b540:93a12600:9000:21b5:4c00:14:2109:b540:93a12600:9000:21b5:7000:14:2109:b540:93a12600:9000:21b5:f600:14:2109:b540:93a12600:9000:26a9:1000:14:2109:b540:93a12600:9000:26a9:200:14:2109:b540:93a12600:9000:26a9:3c00:14:2109:b540:93a12600:9000:26a9:400:14:2109:b540:93a12600:9000:26a9:6e00:14:2109:b540:93a12600:9000:26a9:7800:14:2109:b540:93a12600:9000:26a9:7e00:14:2109:b540:93a12600:9000:26a9:a600:14:2109:b540:93a13.163.218.1183.163.218.263.163.218.533.163.218.5799.86.195.2299.86.195.52
○NSdns-b.iij.ad.jp2018-09-26 → 2018-09-26 · 4 obs
○ 2017-05-08 07:00:46
● 2018-09-26 01:09:40
○ 2026-02-15 20:59:48
○ 2026-04-15 02:20:50
○NSdns-c.iij.ad.jp2018-09-26 → 2018-09-26 · 4 obs
○ 2017-05-08 07:00:46
● 2018-09-26 01:09:40
○ 2026-02-15 20:59:48
○ 2026-04-15 02:20:50
○NSns-1402.awsdns-47.org2017-05-08 → 2017-05-08 · 3 obs
● 2017-05-08 07:00:46
○ 2018-09-26 01:09:40
○ 2026-04-15 02:20:50
○NSns-2017.awsdns-60.co.uk2017-05-08 → 2017-05-08 · 3 obs
● 2017-05-08 07:00:46
○ 2018-09-26 01:09:40
○ 2026-04-15 02:20:50
○NSns-207.awsdns-25.com2017-05-08 → 2017-05-08 · 3 obs
● 2017-05-08 07:00:46
○ 2018-09-26 01:09:40
○ 2026-04-15 02:20:50
○NSns-993.awsdns-60.net2017-05-08 → 2017-05-08 · 3 obs
● 2017-05-08 07:00:46
○ 2018-09-26 01:09:40
○ 2026-04-15 02:20:50
●NSns000.d-53.net2026-02-15 → 2026-04-15 · 3 obs
○ 2018-09-26 01:09:40
● 2026-02-15 20:59:48
● 2026-04-15 02:20:50
●NSns011-s6b550k5f9kfn4bh.s.d-53.info2026-02-15 → 2026-04-15 · 3 obs
○ 2018-09-26 01:09:40
● 2026-02-15 20:59:48
● 2026-04-15 02:20:50
●NSns011-s6b550k5f9kfn4bh.s.d-53.jp2026-02-15 → 2026-04-15 · 3 obs
○ 2018-09-26 01:09:40
● 2026-02-15 20:59:48
● 2026-04-15 02:20:50
●NSns011-s6b550k5f9kfn4bh.s.d-53.net2026-02-15 → 2026-04-15 · 3 obs
○ 2018-09-26 01:09:40
● 2026-02-15 20:59:48
● 2026-04-15 02:20:50
●A13.249.146.1082026-02-21 → 2026-04-15 · 7 obs
○ 2026-02-15 20:59:48
● 2026-02-21 12:16:36
● 2026-02-22 17:36:44
○ 2026-03-01 17:03:44
○ 2026-04-06 07:36:42
● 2026-04-15 02:20:48
● 2026-04-15 02:20:50
●A13.249.146.112026-03-30 → 2026-04-15 · 4 obs
○ 2026-02-15 20:59:48
○ 2026-03-29 22:19:56
● 2026-03-30 05:11:18
● 2026-04-15 02:20:50
○A13.249.146.482026-02-15 → 2026-04-05 · 8 obs
● 2026-02-15 20:59:48
○ 2026-02-21 12:16:36
● 2026-02-22 17:36:44
○ 2026-03-01 17:03:44
○ 2026-03-30 05:11:18
● 2026-04-05 03:39:26
○ 2026-04-06 07:36:42
○ 2026-04-15 02:20:50
○A13.249.146.822026-02-15 → 2026-04-06 · 9 obs
● 2026-02-15 20:59:48
● 2026-02-21 12:16:36
○ 2026-02-22 17:36:44
○ 2026-03-29 22:19:56
● 2026-03-30 05:11:18
○ 2026-04-05 03:39:26
● 2026-04-06 07:36:42
○ 2026-04-15 02:20:48
○ 2026-04-15 02:20:50
○A2600:9000:2112:2a00:14:2109:b540:93a12026-04-05 → 2026-04-05 · 4 obs
○ 2026-03-30 05:11:18
● 2026-04-05 03:39:26
○ 2026-04-06 07:36:42
○ 2026-04-15 02:20:50
○A2600:9000:2112:2c00:14:2109:b540:93a12026-02-21 → 2026-02-21 · 4 obs
○ 2026-02-15 20:59:48
● 2026-02-21 12:16:36
○ 2026-02-22 17:36:44
○ 2026-04-15 02:20:50
○A2600:9000:2112:3400:14:2109:b540:93a12026-02-15 → 2026-04-15 · 2 obs
○ 2026-02-15 20:59:48
○ 2026-04-15 02:20:50
○A2600:9000:2112:5000:14:2109:b540:93a12026-04-05 → 2026-04-05 · 4 obs
○ 2026-03-30 05:11:18
● 2026-04-05 03:39:26
○ 2026-04-06 07:36:42
○ 2026-04-15 02:20:50
●A2600:9000:2112:5400:14:2109:b540:93a12026-02-15 → 2026-04-15 · 5 obs
● 2026-02-15 20:59:48
○ 2026-02-21 12:16:36
○ 2026-04-06 07:36:42
● 2026-04-15 02:20:48
● 2026-04-15 02:20:50
○A2600:9000:2112:6200:14:2109:b540:93a12026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 20:59:48
○ 2026-02-21 12:16:36
○ 2026-04-15 02:20:50
○A2600:9000:2112:7e00:14:2109:b540:93a12026-02-21 → 2026-03-30 · 7 obs
○ 2026-02-15 20:59:48
● 2026-02-21 12:16:36
○ 2026-02-22 17:36:44
○ 2026-03-29 22:19:56
● 2026-03-30 05:11:18
○ 2026-04-05 03:39:26
○ 2026-04-15 02:20:50
○A2600:9000:2112:9000:14:2109:b540:93a12026-02-22 → 2026-02-22 · 4 obs
○ 2026-02-21 12:16:36
● 2026-02-22 17:36:44
○ 2026-03-01 17:03:44
○ 2026-04-15 02:20:50
○A2600:9000:2112:a400:14:2109:b540:93a12026-02-15 → 2026-04-15 · 2 obs
○ 2026-02-15 20:59:48
○ 2026-04-15 02:20:50
○A2600:9000:2112:c400:14:2109:b540:93a12026-03-30 → 2026-03-30 · 4 obs
○ 2026-03-29 22:19:56
● 2026-03-30 05:11:18
○ 2026-04-05 03:39:26
○ 2026-04-15 02:20:50
○A2600:9000:2112:e000:14:2109:b540:93a12026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-05 03:39:26
● 2026-04-06 07:36:42
○ 2026-04-15 02:20:48
○ 2026-04-15 02:20:50
●A2600:9000:2112:ec00:14:2109:b540:93a12026-04-15 → 2026-04-15 · 3 obs
○ 2026-04-06 07:36:42
● 2026-04-15 02:20:48
● 2026-04-15 02:20:50
○A2600:9000:2112:fe00:14:2109:b540:93a12026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-05 03:39:26
● 2026-04-06 07:36:42
○ 2026-04-15 02:20:48
○ 2026-04-15 02:20:50
○A2600:9000:21b5:4c00:14:2109:b540:93a12026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-17 10:00:14
● 2026-03-29 00:02:44
○ 2026-03-29 22:19:56
○ 2026-04-15 02:20:50
○A2600:9000:21b5:7000:14:2109:b540:93a12026-02-22 → 2026-02-22 · 4 obs
○ 2026-02-21 12:16:36
● 2026-02-22 17:36:44
○ 2026-03-01 17:03:44
○ 2026-04-15 02:20:50
○A2600:9000:21b5:f600:14:2109:b540:93a12026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-17 10:00:14
● 2026-03-29 00:02:44
○ 2026-03-29 22:19:56
○ 2026-04-15 02:20:50
○A2600:9000:26a9:1000:14:2109:b540:93a12026-03-01 → 2026-03-01 · 4 obs
○ 2026-02-22 17:36:44
● 2026-03-01 17:03:44
○ 2026-03-15 11:10:02
○ 2026-04-15 02:20:50
○A2600:9000:26a9:200:14:2109:b540:93a12026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-15 11:10:02
● 2026-03-17 10:00:14
○ 2026-03-29 00:02:44
○ 2026-04-15 02:20:50
○A2600:9000:26a9:3c00:14:2109:b540:93a12026-03-15 → 2026-03-15 · 4 obs
○ 2026-03-01 17:03:44
● 2026-03-15 11:10:02
○ 2026-03-17 10:00:14
○ 2026-04-15 02:20:50
○A2600:9000:26a9:400:14:2109:b540:93a12026-03-15 → 2026-03-15 · 4 obs
○ 2026-03-01 17:03:44
● 2026-03-15 11:10:02
○ 2026-03-17 10:00:14
○ 2026-04-15 02:20:50
○A2600:9000:26a9:6e00:14:2109:b540:93a12026-03-01 → 2026-03-01 · 4 obs
○ 2026-02-22 17:36:44
● 2026-03-01 17:03:44
○ 2026-03-15 11:10:02
○ 2026-04-15 02:20:50
○A2600:9000:26a9:7800:14:2109:b540:93a12026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-15 11:10:02
● 2026-03-17 10:00:14
○ 2026-03-29 00:02:44
○ 2026-04-15 02:20:50
○A2600:9000:26a9:7e00:14:2109:b540:93a12026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-29 00:02:44
● 2026-03-29 22:19:56
○ 2026-03-30 05:11:18
○ 2026-04-15 02:20:50
○A2600:9000:26a9:a600:14:2109:b540:93a12026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-29 00:02:44
● 2026-03-29 22:19:56
○ 2026-03-30 05:11:18
○ 2026-04-15 02:20:50
○A3.163.218.1182026-03-15 → 2026-03-29 · 7 obs
○ 2026-03-01 17:03:44
● 2026-03-15 11:10:02
● 2026-03-17 10:00:14
○ 2026-03-29 00:02:44
● 2026-03-29 22:19:56
○ 2026-03-30 05:11:18
○ 2026-04-15 02:20:50
○A3.163.218.262026-03-01 → 2026-03-17 · 6 obs
○ 2026-02-22 17:36:44
● 2026-03-01 17:03:44
○ 2026-03-15 11:10:02
● 2026-03-17 10:00:14
○ 2026-03-29 00:02:44
○ 2026-04-15 02:20:50
○A3.163.218.532026-03-15 → 2026-03-29 · 7 obs
○ 2026-03-01 17:03:44
● 2026-03-15 11:10:02
○ 2026-03-17 10:00:14
○ 2026-03-29 00:02:44
● 2026-03-29 22:19:56
○ 2026-03-30 05:11:18
○ 2026-04-15 02:20:50
○A3.163.218.572026-03-01 → 2026-03-01 · 4 obs
○ 2026-02-22 17:36:44
● 2026-03-01 17:03:44
○ 2026-03-15 11:10:02
○ 2026-04-15 02:20:50
○A99.86.195.222026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-17 10:00:14
● 2026-03-29 00:02:44
○ 2026-03-29 22:19:56
○ 2026-04-15 02:20:50
○A99.86.195.522026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-17 10:00:14
● 2026-03-29 00:02:44
○ 2026-03-29 22:19:56
○ 2026-04-15 02:20:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
jpcert.orgns011-s6b550k5f9kfn4bh.s.d-53.jp, ns011-s6b550k5f9kfn4bh.s.d-53.info, ns011-s6b550k5f9kfn4bh.s.d-53.net-

✅ Authoritative Response

Server:203.180.146.102

NS records: ns011-s6b550k5f9kfn4bh.s.d-53.jp, ns011-s6b550k5f9kfn4bh.s.d-53.info, ns011-s6b550k5f9kfn4bh.s.d-53.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1635ms | Queries: -

📄 Records

TypeCountSample Data
A213.249.146.11, 13.249.146.108
AAAA22600:9000:2112:ec00:14:2109:b540:93a1, 2600:9000:2112:5400:14:2109:b540:93a1
NS3ns011-s6b550k5f9kfn4bh.s.d-53.net, ns011-s6b550k5f9kfn4bh.s.d-53.info...
TXT6dwRNrAcJxeXmrLPv0koqLfc4JobwXV, fRlOMrP6xBy87zKxl9Yu5yQ5OZ0WDM...
SOA1ns000.d-53.net dns-managers.iij.ad.jp

Analysis

IP Addresses

jpcert.org points to four IP numbers: 2600:9000:2112:5400:14:2109:b540:93a1, 2600:9000:2112:ec00:14:2109:b540:93a1, 13.249.146.11 and 13.249.146.108.

Name Servers

jpcert.org is delegated to four name servers: ns000.d-53.net, ns011-s6b550k5f9kfn4bh.s.d-53.info, ns011-s6b550k5f9kfn4bh.s.d-53.jp and ns011-s6b550k5f9kfn4bh.s.d-53.net.

jpcert.org shares name servers with other domains at least partially, for instance kameda.ac.jp, easydo.jp, vessel-group.com, kikusui.co.jp and 171.148.210.in-addr.arpa.

these name servers are commonly paired with dns-b.iij.ad.jp, dns-c.iij.ad.jp, ns.iij-dns.biz, ns.iij-dns.jp, ns.iij-dns.net, ns01.iij-dns.jp, ns00.iij-dns.net, rev.iij-dns.jp and rev.iij-dns.net.

Host names with two IP numbers:

ns011-s6b550k5f9kfn4bh.s.d-53.info points to 2001:240:bb81::28:42 and 202.32.219.42

ns011-s6b550k5f9kfn4bh.s.d-53.jp points to 2001:240:bb81::29:1102 and 203.180.146.102

ns011-s6b550k5f9kfn4bh.s.d-53.net points to 2001:240:bb81::29:102 and 210.138.20.102