firstlearning.jp - dns.ninja

firstlearning.jp

DNSSEC⚠️ Not signed
NS01.dnsv.jp ⭐
A2400:8500:3300::53πŸ‡―πŸ‡΅ GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53πŸ‡―πŸ‡΅ GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53πŸ‡―πŸ‡΅ GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53πŸ‡―πŸ‡΅ GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53πŸ‡―πŸ‡΅ GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53πŸ‡―πŸ‡΅ GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53πŸ‡―πŸ‡΅ GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXmx1.emailsrvr.com ⭐
A173.203.187.1πŸ‡ΊπŸ‡Έ RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229
PTRmx1.emailsrvr.com
MXmx2.emailsrvr.com(20)
A108.166.43.2πŸ‡ΊπŸ‡Έ RACKSPACE-ORD108.166.0.0/18 Rackspace
PTRmx2.emailsrvr.com
A146.20.161.2πŸ‡ΊπŸ‡Έ RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc
PTRmx2.emailsrvr.com
A173.203.187.2πŸ‡ΊπŸ‡Έ RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229
PTRmx2.emailsrvr.com
A184.106.54.2πŸ‡ΊπŸ‡Έ RACKSPACE-ORD184.106.54.0/24 Rackspace ORD
PTRmx2.emailsrvr.com
TXTv=spf1 +ip4:13.113.226.90 include:emailsrvr.com ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1753942145

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=1785235502

Subdomains

Same first word

Similar names

DNS History

7 records (6 active, 1 former)

20192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXmx1.emailsrvr.commx2.emailsrvr.commail.exsight.jp
●NS01.dnsv.jp2018-06-08 β†’ 2026-07-28 Β· 2 obs
● 2018-06-08 21:19:52
● 2026-07-28 11:52:50
●NS02.dnsv.jp2018-06-08 β†’ 2026-07-28 Β· 2 obs
● 2018-06-08 21:19:52
● 2026-07-28 11:52:50
●NS03.dnsv.jp2018-06-08 β†’ 2026-07-28 Β· 2 obs
● 2018-06-08 21:19:52
● 2026-07-28 11:52:50
●NS04.dnsv.jp2018-06-08 β†’ 2026-07-28 Β· 2 obs
● 2018-06-08 21:19:52
● 2026-07-28 11:52:50
β—‹MXmail.exsight.jp2018-06-08 β†’ 2018-06-08 Β· 3 obs
● 2018-06-08 21:19:52
β—‹ 2026-04-03 07:22:14
β—‹ 2026-07-28 11:52:50
●MXmx1.emailsrvr.com2026-04-03 β†’ 2026-07-28 Β· 3 obs
β—‹ 2018-06-08 21:19:52
● 2026-04-03 07:22:14
● 2026-07-28 11:52:50
●MXmx2.emailsrvr.com2026-04-03 β†’ 2026-07-28 Β· 3 obs
β—‹ 2018-06-08 21:19:52
● 2026-04-03 07:22:14
● 2026-07-28 11:52:50

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
firstlearning.jp03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp7 records

βœ… Authoritative Response

Server:157.7.35.53

NS records: 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstlearning.jp (unsigned zone)

⏱️ Timing

Total: 928ms | Queries: -

πŸ“„ Records

TypeCountSample Data
NS401.dnsv.jp, 02.dnsv.jp...
MX2mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)
TXT1v=spf1 +ip4:13.113.226.90 include:emails
SOA101.dnsv.jp hostmaster.dnsv.jp

πŸ“Œ Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)

Analysis

Hierarchy

The domain www.firstlearning.jp falls under the parent firstlearning.jp.

Name Servers

Four name servers handle the delegation for firstlearning.jp: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

At least some of firstlearning.jp's name servers are shared with other domains, for example successnet.tv, creseed.biz, niwablo.jp and two more.

Host names pointing to two IP addresses:

01.dnsv.jp points to 157.7.32.53 and 2400:8500:3300::53.

03.dnsv.jp points to 157.7.34.53 and 2400:8500:3000::53.

04.dnsv.jp points to 157.7.35.53 and 2400:8500:3fff::53.

Host names resolving to a single IP address:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

firstlearning.jp uses two mail servers, mx1.emailsrvr.com and mx2.emailsrvr.com.

The mail server setup of firstlearning.jp matches that of other domains such as scandals.zzn.com, grupoargos.com.mx, totalbattery.com and two others.

At least some of the mail servers used by firstlearning.jp are shared with other domains: metricaresearch.org.uk, 199-48-198-86.pogozone.net, calabellocpa.com and two others among them.

Host names with four IP addresses:

mx2.emailsrvr.com directs to 108.166.43.2, 146.20.161.2, 173.203.187.2 and 184.106.54.2.

Host names resolving to a single IP address:

mx1.emailsrvr.com points to 173.203.187.1.