superlesson.net - robtex.com

superlesson.net

DNSSEC⚠️ Not signed
A133.242.249.66🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww4156.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXsuperlesson.net ⭐
A133.242.249.66🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww4156.sakura.ne.jp
TXTv=spf1 a:www4156.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2023-04-04 #15

net

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=1771291465

MX for

superlesson.net

Same first word

superlesson.com
superlesson.net

Similar names

pulsesensor.myshopify.com
pulsesensor.com

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns1.in-plus.jpns2.in-plus.jpMXsuperlesson.netqsmtp01.in-plus.jpA133.242.249.66125.206.115.77
●NSmaster.dns.ne.jp2026-03-23 → 2026-03-23 · 2 obs
○ 2017-05-18 16:49:46
● 2026-03-23 09:10:10
●NSns1.dns.ne.jp2026-03-23 → 2026-03-23 · 2 obs
○ 2017-05-18 16:49:46
● 2026-03-23 09:10:10
○NSns1.in-plus.jp2015-08-04 → 2017-05-18 · 3 obs
● 2015-08-04 02:50:18
● 2017-05-18 16:49:46
○ 2026-03-23 09:10:10
●NSns2.dns.ne.jp2026-03-23 → 2026-03-23 · 2 obs
○ 2017-05-18 16:49:46
● 2026-03-23 09:10:10
○NSns2.in-plus.jp2015-08-04 → 2017-05-18 · 3 obs
● 2015-08-04 02:50:18
● 2017-05-18 16:49:46
○ 2026-03-23 09:10:10
○MXqsmtp01.in-plus.jp2015-08-04 → 2017-05-18 · 3 obs
● 2015-08-04 02:50:18
● 2017-05-18 16:49:46
○ 2026-03-23 09:10:10
●MXsuperlesson.net2026-03-23 → 2026-03-23 · 2 obs
○ 2017-05-18 16:49:46
● 2026-03-23 09:10:10
○A125.206.115.772015-08-04 → 2017-05-18 · 3 obs
● 2015-08-04 02:50:18
● 2017-05-18 16:49:46
○ 2026-03-23 09:10:10
●A133.242.249.662026-03-23 → 2026-03-23 · 2 obs
○ 2017-05-18 16:49:46
● 2026-03-23 09:10:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netk.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...-
superlesson.netns1.dns.ne.jp, ns2.dns.ne.jp-

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for superlesson.net (unsigned zone)

⏱️ Timing

Total: 1023ms | Queries: -

📄 Records

TypeCountSample Data
A1133.242.249.66
NS2ns2.dns.ne.jp, ns1.dns.ne.jp
MX1superlesson.net (pri: 10)
TXT1v=spf1 a:www4156.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

The mail server for superlesson.net is superlesson.net.

IP Addresses

superlesson.net points to a single IP address: 133.242.249.66.

Other host names such as bestec.jp, izuo-bestcoach.com, answer-hoken.com, hiroim.com and imanaga-r.co.jp share IPs with superlesson.net.

Name Servers

superlesson.net is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

superlesson.net at least partially shares name servers with other domains, for example isivf2011.org, mof-mov.com, bilab.jp, mottodosujyo.com and gosuzuki.com.

Host names with a single IP address:

master.dns.ne.jp resolves to 210.224.172.18.

ns1.dns.ne.jp resolves to 61.211.236.1.

ns2.dns.ne.jp resolves to 133.167.21.1.

Mail Servers

One mail server handles superlesson.net; that server is superlesson.net.

superlesson.net points to a single IP number: 133.242.249.66.