firstlearning.jp - robtex.com
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 | 184.106.54.1πΊπΈ RACKSPACE-ORD184.106.54.0/24 Rackspace ORD | ||||||
| PTR | mx1.emailsrvr.com | ||||||
| MX | mx2.emailsrvr.com(20) | ||||||
| A | 146.20.161.2πΊπΈ RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc | ||||||
| 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=1786833003 | ||||||
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 2026-08-15 22:42:10
βMXmx1.emailsrvr.com2026-04-03 β 2026-08-15 Β· 3 obs
β 2026-04-03 07:22:14
β 2026-08-15 22:42:10
βMXmx2.emailsrvr.com2026-04-03 β 2026-08-15 Β· 3 obs
β 2026-04-03 07:22:14
β 2026-08-15 22:42:10
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| firstlearning.jp | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | 7 records |
β Authoritative Response
Server:157.7.34.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.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: 885ms | 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 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)
Analysis
Hierarchy
firstlearning.jp is a parent domain of www.firstlearning.jp.
Name Servers
The authoritative name servers for firstlearning.jp are 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
firstlearning.jp shares at least some of its name servers with other domains, including successnet.tv, creseed.biz, niwablo.jp and two others.
Hostnames that resolve to two IP addresses:
The A records for 01.dnsv.jp return 157.7.32.53 and 2400:8500:3300::53.
The A records for 03.dnsv.jp return 157.7.34.53 and 2400:8500:3000::53.
The A records for 04.dnsv.jp return 157.7.35.53 and 2400:8500:3fff::53.
Hosts with just one IP address:
02.dnsv.jp resolves to the IP address 157.7.33.53.
Mail Servers
Mail for firstlearning.jp is handled by two mail servers β mx1.emailsrvr.com and mx2.emailsrvr.com.
firstlearning.jp uses an identical mail server configuration to several other domains β among them scandals.zzn.com, grupoargos.com.mx, totalbattery.com and two more.
firstlearning.jp has at least partial mail server overlap with other domains such as metricaresearch.org.uk, hospitalityupgrade.com, 199-48-198-86.pogozone.net and two more.
mx1.emailsrvr.com and mx2.emailsrvr.com each resolve to one IP number: mx1.emailsrvr.com points to 184.106.54.1 and mx2.emailsrvr.com points to 146.20.161.2.