firstlearning.jp - dns.ninja
firstlearning.jp
| DNSSEC | β οΈ Not signed | ||||||
| NS | 01.dnsv.jp β | ||||||
| A | 2400:8500:3300::53π―π΅ GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53π―π΅ GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53π―π΅ GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53π―π΅ GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53π―π΅ GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53π―π΅ GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53π―π΅ GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | mx1.emailsrvr.com β | ||||||
| A | 173.203.187.1πΊπΈ RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | ||||||
| PTR | mx1.emailsrvr.com | ||||||
| MX | mx2.emailsrvr.com(20) | ||||||
| A | 108.166.43.2πΊπΈ RACKSPACE-ORD108.166.0.0/18 Rackspace | ||||||
| PTR | mx2.emailsrvr.com | ||||||
| A | 146.20.161.2πΊπΈ RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc | ||||||
| PTR | mx2.emailsrvr.com | ||||||
| A | 173.203.187.2πΊπΈ RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | ||||||
| PTR | mx2.emailsrvr.com | ||||||
| A | 184.106.54.2πΊπΈ RACKSPACE-ORD184.106.54.0/24 Rackspace ORD | ||||||
| PTR | mx2.emailsrvr.com | ||||||
| TXT | v=spf1 +ip4:13.113.226.90 include:emailsrvr.com ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1753942145 | ||||||
jp
| DNSSEC | π Signed (DS record present) | ||||||
| NS | z.dns.jp β | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1785235502 | ||||||
Subdomains
www.firstlearning.jp |
Same first word
firstlearning.jp |
Similar names
DNS History
7 records (6 active, 1 former)
βMXmail.exsight.jp2018-06-08 β 2018-06-08 Β· 3 obs
β 2026-04-03 07:22:14
β 2026-07-28 11:52:50
βMXmx1.emailsrvr.com2026-04-03 β 2026-07-28 Β· 3 obs
β 2026-04-03 07:22:14
β 2026-07-28 11:52:50
βMXmx2.emailsrvr.com2026-04-03 β 2026-07-28 Β· 3 obs
β 2026-04-03 07:22:14
β 2026-07-28 11:52:50
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| firstlearning.jp | 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp | 7 records |
β Authoritative Response
Server:157.7.35.53
NS records: 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for firstlearning.jp (unsigned zone)
β±οΈ Timing
Total: 928ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 2 | mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20) |
| TXT | 1 | v=spf1 +ip4:13.113.226.90 include:emails |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
π 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.