edtechzine.jp - robtex.com

edtechzine.jp

DNSSEC⚠️ Not signed
A114.31.94.173πŸ‡―πŸ‡΅ KVH114.31.88.0/21 Colt Technology Services Co., Ltd.
NSns000.d-53.net ⭐
NSdns-b.iij.ad.jp ⚠️ Not in zone NS records
A2001:240:bb81::28:51πŸ‡―πŸ‡΅ IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.biz
A202.32.219.51πŸ‡―πŸ‡΅ IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.biz
NSdns-c.iij.ad.jp ⚠️ Not in zone NS records
A2001:240:bb81::29:111πŸ‡―πŸ‡΅ IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.net
A210.138.20.111πŸ‡―πŸ‡΅ IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.net
NSns020-jt545h4l3udh63nk.j.d-53.info ⚠️ Not in parent delegation
A2001:240:bb81::28:51πŸ‡―πŸ‡΅ IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.biz
A202.32.219.51πŸ‡―πŸ‡΅ IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.biz
NSns020-jt545h4l3udh63nk.j.d-53.jp ⚠️ Not in parent delegation
A2001:240:bb81::29:1111πŸ‡―πŸ‡΅ IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.org
A203.180.146.111πŸ‡―πŸ‡΅ IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.org
NSns020-jt545h4l3udh63nk.j.d-53.net ⚠️ Not in parent delegation
A2001:240:bb81::29:111πŸ‡―πŸ‡΅ IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.net
A210.138.20.111πŸ‡―πŸ‡΅ IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c0d::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A74.125.137.26πŸ‡ΊπŸ‡Έ Google74.125.137.0/24
PTRdy-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.26πŸ‡ΊπŸ‡Έ Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27πŸ‡ΊπŸ‡Έ Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1aπŸ‡¬πŸ‡§ Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27πŸ‡ΊπŸ‡Έ Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4003:c4a::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4003::/48
PTRyutulth-in-f27.1e100.net
A142.251.96.27πŸ‡ΊπŸ‡Έ Google142.250.0.0/15
PTRyutulth-in-f27.1e100.net
TXTv=spf1 +ip4:61.193.170.128/25 +ip4:203.104.101.0/25 include:shoeisha.spf.cuen...
TXTa4gbcofng6jcn4gl3gmhqcshlf
TXTgoogle-site-verification=Jp6EGQhmXhElAwzpNpwedHGcQscbcTNFOeJbw1IbeQQ
TXTgoogle-site-verification=oZLujDZXXqpmEuhUqp6ahALDcs2i-6tAAZzqnHkbn8A
SOAns000.d-53.netdns-managers@iij.ad.jp serial=292

jp

DNSSECπŸ”’ 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=1774515603
rank #306478 globally
rank #5196 in the tld

Same first word

DNS History

12 records (12 active, 0 former)

201820192020202120222023202420252026NSdns-b.iij.ad.jpdns-c.iij.ad.jpns000.d-53.netns020-jt545h4l3udh63nk.j.d-53.infons020-jt545h4l3udh63nk.j.d-53.jpns020-jt545h4l3udh63nk.j.d-53.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA114.31.94.173
●NSdns-b.iij.ad.jp2017-05-29 β†’ 2026-03-26 Β· 2 obs
● 2017-05-29 00:48:18
● 2026-03-26 09:30:58
●NSdns-c.iij.ad.jp2017-05-29 β†’ 2026-03-26 Β· 2 obs
● 2017-05-29 00:48:18
● 2026-03-26 09:30:58
●NSns000.d-53.net2026-03-10 β†’ 2026-03-26 Β· 3 obs
β—‹ 2017-05-29 00:48:18
● 2026-03-10 06:45:40
● 2026-03-26 09:30:58
●NSns020-jt545h4l3udh63nk.j.d-53.info2026-03-10 β†’ 2026-03-26 Β· 3 obs
β—‹ 2017-05-29 00:48:18
● 2026-03-10 06:45:40
● 2026-03-26 09:30:58
●NSns020-jt545h4l3udh63nk.j.d-53.jp2026-03-10 β†’ 2026-03-26 Β· 3 obs
β—‹ 2017-05-29 00:48:18
● 2026-03-10 06:45:40
● 2026-03-26 09:30:58
●NSns020-jt545h4l3udh63nk.j.d-53.net2026-03-10 β†’ 2026-03-26 Β· 3 obs
β—‹ 2017-05-29 00:48:18
● 2026-03-10 06:45:40
● 2026-03-26 09:30:58
●MXalt1.aspmx.l.google.com2017-05-29 β†’ 2026-03-26 Β· 2 obs
● 2017-05-29 00:48:18
● 2026-03-26 09:30:58
●MXalt2.aspmx.l.google.com2017-05-29 β†’ 2026-03-26 Β· 2 obs
● 2017-05-29 00:48:18
● 2026-03-26 09:30:58
●MXalt3.aspmx.l.google.com2017-05-29 β†’ 2026-03-26 Β· 2 obs
● 2017-05-29 00:48:18
● 2026-03-26 09:30:58
●MXalt4.aspmx.l.google.com2017-05-29 β†’ 2026-03-26 Β· 2 obs
● 2017-05-29 00:48:18
● 2026-03-26 09:30:58
●MXaspmx.l.google.com2017-05-29 β†’ 2026-03-26 Β· 2 obs
● 2017-05-29 00:48:18
● 2026-03-26 09:30:58
●A114.31.94.1732017-05-29 β†’ 2026-03-26 Β· 2 obs
● 2017-05-29 00:48:18
● 2026-03-26 09:30:58

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, g.dns.jp, c.dns.jp, d.dns.jp...-
edtechzine.jpdns-c.iij.ad.jp, dns-b.iij.ad.jp-

βœ… Authoritative Response

Server:210.138.20.111

NS records: dns-c.iij.ad.jp, dns-b.iij.ad.jp

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edtechzine.jp (unsigned zone)

⏱️ Timing

Total: 1508ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1114.31.94.173
NS3ns020-jt545h4l3udh63nk.j.d-53.info, ns020-jt545h4l3udh63nk.j.d-53.jp...
MX5alt3.aspmx.l.google.com (pri: 10), alt4.aspmx.l.google.com (pri: 10)...
TXT4google-site-verification=oZLujDZXXqpmEuh, v=spf1 +ip4:61.193.170.128/25 +ip4:203.1...
SOA1ns000.d-53.net dns-managers.iij.ad.jp

Analysis

IP Addresses

edtechzine.jp maps to IP address 114.31.94.173.

Other host names, for example, 114-31-94-173.dnsrv.jp share IP numbers with edtechzine.jp.

Name Servers

edtechzine.jp delegates to six name servers: ns000.d-53.net, ns020-jt545h4l3udh63nk.j.d-53.info, dns-b.iij.ad.jp, dns-c.iij.ad.jp, ns020-jt545h4l3udh63nk.j.d-53.jp and ns020-jt545h4l3udh63nk.j.d-53.net.

edtechzine.jp at least partially shares name servers with other domains such as anicom-ah.com, mugen-power.com, lifemed.co.jp, sanyo.fr and ict-jig.com.

these name servers are commonly used with rev.iij-dns.jp, rev.iij-dns.net, ns01.iij-dns.jp, ns00.iij-dns.net, dns0.iij-swg.jp and dns1.iij-swg.jp.

Host names with two IP numbers:

Host name ns020-jt545h4l3udh63nk.j.d-53.info has IPs 2001:240:bb81::28:51 and 202.32.219.51.

Host name dns-b.iij.ad.jp has IPs 2001:240:bb81::28:51 and 202.32.219.51.

Host name dns-c.iij.ad.jp has IPs 2001:240:bb81::29:111 and 210.138.20.111.

Host name ns020-jt545h4l3udh63nk.j.d-53.jp has IPs 2001:240:bb81::29:1111 and 203.180.146.111.

Host name ns020-jt545h4l3udh63nk.j.d-53.net has IPs 2001:240:bb81::29:111 and 210.138.20.111.

Host names that point to 2001:240:bb81::28:51: ns020-jt545h4l3udh63nk.j.d-53.info and dns-b.iij.ad.jp.

Host names that point to 202.32.219.51: ns020-jt545h4l3udh63nk.j.d-53.info and dns-b.iij.ad.jp.

Host names that point to 2001:240:bb81::29:111: dns-c.iij.ad.jp and ns020-jt545h4l3udh63nk.j.d-53.net.

Host names that point to 210.138.20.111: dns-c.iij.ad.jp and ns020-jt545h4l3udh63nk.j.d-53.net.

Mail Servers

edtechzine.jp is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

edtechzine.jp shares mail servers with other domains at least in part, for instance natcomweb.com.br, esportsplay.com, ns500742.ns500671.ns500731.ns500742.ns500704.ns500688.ns500671.ns500671.ns500705.ns500649.ns500671.ns500688.ns500291.ns500153.tenderladiesbz.com, ns500698.ns500698.ns500758.ns500759.ns500758.ns500698.ns500736.ns500708.ns500736.ns500698.ns500698.ns500652.ns500619.ns500652.tracksymphony.com and inovabr.com.

These mail servers are commonly used together with aspmx2.googlemail.com and aspmx3.googlemail.com.

Two IPs per host name:

aspmx.l.google.com points to: 2607:f8b0:4023:c0d::1b and 74.125.137.26

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.26

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.27

alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1a and 192.178.223.27

alt4.aspmx.l.google.com points to: 2607:f8b0:4003:c4a::1b and 142.251.96.27

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)