headroom-lab.net - robtex.com

headroom-lab.net

DNSSEC⚠️ Not signed
A157.7.189.66🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRusers253.vip.heteml.jp
NSdns0.heteml.jp ⭐
A157.7.44.53🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRdns510.heteml.jp
NSdns1.heteml.jp
A157.7.188.149🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRdns711.phy.heteml.jp
MXmx-proxy501.heteml.jp ⭐
A157.7.189.17🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
MXmx-proxy502.heteml.jp(20)
A157.7.189.18🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
TXTv=spf1 include:_spf.heteml.jp ~all
SOAdns0.heteml.jphostmaster@headroom-lab.net serial=1786015458

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=1786014404

Subdomains

hostmaster.headroom-lab.net

Same first word

headroom-lab.net

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSdns0.heteml.jpdns1.heteml.jpMXmx-proxy501.heteml.jpmx-proxy502.heteml.jpmail5.heteml.jpA157.7.189.66157.7.188.232210.188.199.246
●NSdns0.heteml.jp2015-06-30 → 2026-08-06 · 2 obs
● 2015-06-30 02:35:22
● 2026-08-06 11:30:52
●NSdns1.heteml.jp2015-06-30 → 2026-08-06 · 2 obs
● 2015-06-30 02:35:22
● 2026-08-06 11:30:52
○MXmail5.heteml.jp2015-06-30 → 2017-07-06 · 4 obs
● 2015-06-30 02:35:22
● 2017-07-06 23:04:26
○ 2026-07-05 14:01:46
○ 2026-08-06 11:30:52
●MXmx-proxy501.heteml.jp2026-07-05 → 2026-08-06 · 3 obs
○ 2017-07-06 23:04:26
● 2026-07-05 14:01:46
● 2026-08-06 11:30:52
●MXmx-proxy502.heteml.jp2026-07-05 → 2026-08-06 · 3 obs
○ 2017-07-06 23:04:26
● 2026-07-05 14:01:46
● 2026-08-06 11:30:52
○A157.7.188.2322015-11-08 → 2017-07-06 · 5 obs
○ 2015-06-30 02:35:22
● 2015-11-08 15:17:52
● 2017-07-06 23:04:26
○ 2026-07-05 14:01:46
○ 2026-08-06 11:30:52
●A157.7.189.662026-07-05 → 2026-08-06 · 3 obs
○ 2017-07-06 23:04:26
● 2026-07-05 14:01:46
● 2026-08-06 11:30:52
○A210.188.199.2462015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 02:35:22
○ 2015-11-08 15:17:52
○ 2026-08-06 11:30:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
headroom-lab.netdns0.heteml.jp, dns1.heteml.jp-

✅ Authoritative Response

Server:157.7.44.53

NS records: dns0.heteml.jp, dns1.heteml.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for headroom-lab.net (unsigned zone)

⏱️ Timing

Total: 1015ms | Queries: -

📄 Records

TypeCountSample Data
A1157.7.189.66
NS2dns1.heteml.jp, dns0.heteml.jp
MX2mx-proxy502.heteml.jp (pri: 20), mx-proxy501.heteml.jp (pri: 10)
TXT1v=spf1 include:_spf.heteml.jp ~all
SOA1dns0.heteml.jp hostmaster.headroom-lab.n

Analysis

Hierarchy

headroom-lab.net is the parent zone for hostmaster.headroom-lab.net.

IP Addresses

headroom-lab.net has exactly one IP address — 157.7.189.66.

out.smhn.org, kaura.jp, up.smac6.com plus two other host names have IP numbers in common with headroom-lab.net.

Name Servers

Two name servers handle the delegation for headroom-lab.net: dns0.heteml.jp and dns1.heteml.jp.

The name server configuration of headroom-lab.net is shared with other domains, for instance zelt.me, m-works.info, ask-us.co.jp and two others.

dns0.heteml.jp resolves to 157.7.44.53. dns1.heteml.jp resolves to 157.7.188.149. Both host names point to a single IP number.

Mail Servers

headroom-lab.net uses two mail servers, mx-proxy501.heteml.jp and mx-proxy502.heteml.jp.

The mail server setup of headroom-lab.net matches that of other domains such as bulljun.com, i-mr.jp, kurhouse-shirahama.or.jp and two others.

At least a portion of headroom-lab.net's mail servers are also used by other domains, for example splendo.jp.

mx-proxy501.heteml.jp resolves to 157.7.189.17. mx-proxy502.heteml.jp resolves to 157.7.189.18. Both host names point to a single IP number.