ren-tech.net - robtex.com

ren-tech.net

DNSSEC⚠️ Not signed
NSns1.dns.ne.jp ⚠️ Not in zone NS records
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 ⚠️ Not in zone NS records
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

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=1778841941

Same first word

ren-tech.net
ren-tech.co.uk

Similar names

ct-herne.eu
h-center.com
ct-herne.com
rn-etech.de

DNS History

9 records (2 active, 7 former)

20162017201820192020202120222023202420252026NSns1.dns.ne.jpns2.dns.ne.jpfay.ns.cloudflare.comsid.ns.cloudflare.comMXdc-9c1408e1.ren-tech.netA104.31.86.143104.31.87.1432400:cb00:2048:1::681f:568f2400:cb00:2048:1::681f:578f
○NSfay.ns.cloudflare.com2015-06-18 → 2016-10-27 · 4 obs
● 2015-06-18 12:06:50
● 2016-10-27 22:27:48
○ 2026-04-24 17:25:30
○ 2026-05-15 11:01:48
●NSns1.dns.ne.jp2026-04-24 → 2026-05-15 · 3 obs
○ 2016-10-27 22:27:48
● 2026-04-24 17:25:30
● 2026-05-15 11:01:48
●NSns2.dns.ne.jp2026-04-24 → 2026-05-15 · 3 obs
○ 2016-10-27 22:27:48
● 2026-04-24 17:25:30
● 2026-05-15 11:01:48
○NSsid.ns.cloudflare.com2015-06-18 → 2016-10-27 · 4 obs
● 2015-06-18 12:06:50
● 2016-10-27 22:27:48
○ 2026-04-24 17:25:30
○ 2026-05-15 11:01:48
○MXdc-9c1408e1.ren-tech.net2015-06-18 → 2016-10-27 · 4 obs
● 2015-06-18 12:06:50
● 2016-10-27 22:27:48
○ 2026-04-24 17:25:30
○ 2026-05-15 11:01:48
○A104.31.86.1432015-06-18 → 2016-10-27 · 4 obs
● 2015-06-18 12:06:50
● 2016-10-27 22:27:48
○ 2026-04-24 17:25:30
○ 2026-05-15 11:01:48
○A104.31.87.1432015-06-18 → 2016-10-27 · 4 obs
● 2015-06-18 12:06:50
● 2016-10-27 22:27:48
○ 2026-04-24 17:25:30
○ 2026-05-15 11:01:48
○A2400:cb00:2048:1::681f:568f2015-06-18 → 2016-10-27 · 4 obs
● 2015-06-18 12:06:50
● 2016-10-27 22:27:48
○ 2026-04-24 17:25:30
○ 2026-05-15 11:01:48
○A2400:cb00:2048:1::681f:578f2015-06-18 → 2016-10-27 · 4 obs
● 2015-06-18 12:06:50
● 2016-10-27 22:27:48
○ 2026-04-24 17:25:30
○ 2026-05-15 11:01:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netf.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...-
ren-tech.netns1.dns.ne.jp, ns2.dns.ne.jp-

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ren-tech.net (unsigned zone)

⏱️ Timing

Total: 1106ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

Two name servers ns1.dns.ne.jp and ns2.dns.ne.jp handle delegation for ren-tech.net.

ren-tech.net uses the same name server setup as other domains, for example rikushinkai.net, privete.net, mobile-mix.jp, moblith.net and sgs.liranet.jp.

ren-tech.net partially shares name servers with other domains; examples include x-as1.sakura.ne.jp, kawakomono.com, izawa-ci.co.jp, ukihanotakara.com and office-wada39.com.

These name servers are often used with the name servers master.dns.ne.jp and dns.sakura.ad.jp.

Host names with one IP number: The host name ns1.dns.ne.jp points to 61.211.236.1 and the host name ns2.dns.ne.jp points to 133.167.21.1.