tz-k.com - robtex.com

tz-k.com

DNSSEC⚠️ Not signed
A49.212.235.52🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3342.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
MXtz-k.com ⭐
A49.212.235.52🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3342.sakura.ne.jp
TXTv=spf1 a:www3342.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-07-24 #1

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=1774378472

MX for

tz-k.com

Subdomains

mail.tz-k.com

Same first word

tz-k.com

Similar names

t-zk.de
zt-k.ru
zk-t.com
z-kt.com

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpnsas1.firstserver.ne.jpnsas2.firstserver.ne.jpMXtz-k.commail.tz-k.commx1.firstserver.ne.jpmx2.firstserver.ne.jpA49.212.235.52203.183.253.36
●NSmaster.dns.ne.jp2026-03-07 → 2026-03-24 · 3 obs
○ 2017-04-20 10:19:10
● 2026-03-07 07:56:36
● 2026-03-24 19:02:34
●NSns1.dns.ne.jp2026-03-07 → 2026-03-24 · 3 obs
○ 2017-04-20 10:19:10
● 2026-03-07 07:56:36
● 2026-03-24 19:02:34
●NSns2.dns.ne.jp2026-03-07 → 2026-03-24 · 3 obs
○ 2017-04-20 10:19:10
● 2026-03-07 07:56:36
● 2026-03-24 19:02:34
○NSnsas1.firstserver.ne.jp2015-07-18 → 2017-04-20 · 4 obs
● 2015-07-18 10:23:06
● 2017-04-20 10:19:10
○ 2026-03-07 07:56:36
○ 2026-03-24 19:02:34
○NSnsas2.firstserver.ne.jp2015-07-18 → 2017-04-20 · 4 obs
● 2015-07-18 10:23:06
● 2017-04-20 10:19:10
○ 2026-03-07 07:56:36
○ 2026-03-24 19:02:34
○MXmail.tz-k.com2015-07-18 → 2017-04-20 · 4 obs
● 2015-07-18 10:23:06
● 2017-04-20 10:19:10
○ 2026-03-07 07:56:36
○ 2026-03-24 19:02:34
○MXmx1.firstserver.ne.jp2015-07-18 → 2017-04-20 · 4 obs
● 2015-07-18 10:23:06
● 2017-04-20 10:19:10
○ 2026-03-07 07:56:36
○ 2026-03-24 19:02:34
○MXmx2.firstserver.ne.jp2015-07-18 → 2017-04-20 · 4 obs
● 2015-07-18 10:23:06
● 2017-04-20 10:19:10
○ 2026-03-07 07:56:36
○ 2026-03-24 19:02:34
●MXtz-k.com2026-03-07 → 2026-03-24 · 3 obs
○ 2017-04-20 10:19:10
● 2026-03-07 07:56:36
● 2026-03-24 19:02:34
○A203.183.253.362015-07-18 → 2017-04-20 · 4 obs
● 2015-07-18 10:23:06
● 2017-04-20 10:19:10
○ 2026-03-07 07:56:36
○ 2026-03-24 19:02:34
●A49.212.235.522026-03-07 → 2026-03-24 · 3 obs
○ 2017-04-20 10:19:10
● 2026-03-07 07:56:36
● 2026-03-24 19:02:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
tz-k.comns1.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 tz-k.com (unsigned zone)

⏱️ Timing

Total: 901ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.235.52
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1tz-k.com (pri: 10)
TXT1v=spf1 a:www3342.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Hierarchy

tz-k.com is a parent of mail.tz-k.com.

Mail Server Role

tz-k.com serves as the mail server for tz-k.com.

IP Addresses

tz-k.com points to a single IP address: 49.212.235.52.

Other host names such as cmonos.jp, jidai.adg7.com, esb.or.jp, fmp.to and craize-motorcycle.com share IP numbers with tz-k.com.

Name Servers

tz-k.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

At least part of the name servers for tz-k.com are shared with other domains, for instance taiyorealty.sakura.ne.jp, kodamanaika.com, eisyaken.com, ryukyukokumatsuridaiko.com and octave-design.com.

Host names with a single IP:

master.dns.ne.jp points to: 210.224.172.18

ns1.dns.ne.jp points to: 61.211.236.1

ns2.dns.ne.jp points to: 133.167.21.1

Mail Servers

Mail for tz-k.com is handled by a single mail server, tz-k.com.

Host tz-k.com points to IP 49.212.235.52.