sb-learning.com - robtex.com

sb-learning.com

DNSSEC⚠️ Not signed
A210.129.17.127🇯🇵 IDC210.129.16.0/20 Frontier Inc.
PTR210-129-17-127.jp-east.compute.idcfcloud.com
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
SOA01.dnsv.jphostmaster@dnsv.jp serial=1466155927

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774693327

Same first word

sb-learning.com

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns.sb-learning.comns4.sphere.ad.jpMXmail.sb-learning.comA210.129.17.127112.78.199.224
●NS01.dnsv.jp2016-12-07 → 2026-03-28 · 3 obs
○ 2016-04-08 22:46:46
● 2016-12-07 09:17:30
● 2026-03-28 10:27:40
●NS02.dnsv.jp2016-12-07 → 2026-03-28 · 3 obs
○ 2016-04-08 22:46:46
● 2016-12-07 09:17:30
● 2026-03-28 10:27:40
●NS03.dnsv.jp2016-12-07 → 2026-03-28 · 3 obs
○ 2016-04-08 22:46:46
● 2016-12-07 09:17:30
● 2026-03-28 10:27:40
●NS04.dnsv.jp2016-12-07 → 2026-03-28 · 3 obs
○ 2016-04-08 22:46:46
● 2016-12-07 09:17:30
● 2026-03-28 10:27:40
○NSns.sb-learning.com2015-06-12 → 2016-04-08 · 4 obs
● 2015-06-12 05:35:40
● 2016-04-08 22:46:46
○ 2016-12-07 09:17:30
○ 2026-03-28 10:27:40
○NSns4.sphere.ad.jp2015-06-12 → 2016-04-08 · 4 obs
● 2015-06-12 05:35:40
● 2016-04-08 22:46:46
○ 2016-12-07 09:17:30
○ 2026-03-28 10:27:40
○MXmail.sb-learning.com2015-06-12 → 2016-04-08 · 4 obs
● 2015-06-12 05:35:40
● 2016-04-08 22:46:46
○ 2016-12-07 09:17:30
○ 2026-03-28 10:27:40
○A112.78.199.2242015-06-12 → 2016-01-19 · 4 obs
● 2015-06-12 05:35:40
● 2016-01-19 06:21:32
○ 2016-04-08 22:46:46
○ 2026-03-28 10:27:40
●A210.129.17.1272016-04-08 → 2026-03-28 · 3 obs
○ 2016-01-19 06:21:32
● 2016-04-08 22:46:46
● 2026-03-28 10:27:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...-
sb-learning.com01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp-

✅ Authoritative Response

Server:157.7.32.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sb-learning.com (unsigned zone)

⏱️ Timing

Total: 992ms | Queries: -

📄 Records

TypeCountSample Data
A1210.129.17.127
NS401.dnsv.jp, 02.dnsv.jp...
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

IP Addresses

sb-learning.com points to an IP address: 210.129.17.127.

Other host names, for instance 210-129-17-127.jp-east.compute.idcfcloud.com, share IP numbers with sb-learning.com.

Name Servers

sb-learning.com delegates to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

sb-learning.com at least partially shares name servers with other domains, for instance sompo-care.biz, izumi-motoyawata.jp, larian.jp, sea-archi.co.jp and study1.net.

Hosts with two IP numbers:

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

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

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

Host with one IP number:

02.dnsv.jp points to 157.7.33.53.