sk-tech.jp - robtex.com

sk-tech.jp

DNSSEC⚠️ Not signed
A49.212.116.153🇯🇵 SAKURA-A49.212.116.0/24 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan
PTR153.116.212.49.static.www7825m.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
MXsk-tech.jp ⭐
A49.212.116.153🇯🇵 SAKURA-A49.212.116.0/24 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan
PTR153.116.212.49.static.www7825m.sakura.ne.jp
TXTv=spf1 a:www7825m.sakura.ne.jp mx ~all
TXTgoogle-site-verification=uKDJX3VXKTJqmVFb29xfs7tqnVwo4GKEa29Ru4hoq6o
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-07-22 #1

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1778571003

MX for

sk-tech.jp

Same first word

sk-tech.de
sk-tech.ru
sk-tech.dk
sk-tech.co.kr
sk-tech.co.jp
sk-tech.sk
sk-tech.jp

Similar names

sk-etch.com
ksh-tec.de
ks-tech.co.kr
sket-ch.com
ks-tech.com
ks-tech.de
sk-etch.net
ks-tech.at
ks-tech.ch
ks-tech.info
ske-tch.com
ks-tech.com.cn
ks-tech.com.tw

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns.namedserver.netns2.namedserver.netMXsk-tech.jpmx.sk-tech.jpA49.212.116.153211.13.196.155
●NSmaster.dns.ne.jp2015-11-15 → 2026-05-12 · 3 obs
○ 2015-07-18 11:55:02
● 2015-11-15 20:03:44
● 2026-05-12 07:41:48
○NSns.namedserver.net2015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 11:55:02
○ 2015-11-15 20:03:44
○ 2026-05-12 07:41:48
●NSns1.dns.ne.jp2015-11-15 → 2026-05-12 · 3 obs
○ 2015-07-18 11:55:02
● 2015-11-15 20:03:44
● 2026-05-12 07:41:48
●NSns2.dns.ne.jp2015-11-15 → 2026-05-12 · 3 obs
○ 2015-07-18 11:55:02
● 2015-11-15 20:03:44
● 2026-05-12 07:41:48
○NSns2.namedserver.net2015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 11:55:02
○ 2015-11-15 20:03:44
○ 2026-05-12 07:41:48
○MXmx.sk-tech.jp2015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 11:55:02
○ 2015-11-15 20:03:44
○ 2026-05-12 07:41:48
●MXsk-tech.jp2015-11-15 → 2026-05-12 · 3 obs
○ 2015-07-18 11:55:02
● 2015-11-15 20:03:44
● 2026-05-12 07:41:48
○A211.13.196.1552015-07-18 → 2015-07-18 · 3 obs
● 2015-07-18 11:55:02
○ 2015-11-15 20:03:44
○ 2026-05-12 07:41:48
●A49.212.116.1532015-11-15 → 2026-05-12 · 3 obs
○ 2015-07-18 11:55:02
● 2015-11-15 20:03:44
● 2026-05-12 07:41:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
sk-tech.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ 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 sk-tech.jp (unsigned zone)

⏱️ Timing

Total: 903ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.116.153
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1sk-tech.jp (pri: 10)
TXT2v=spf1 a:www7825m.sakura.ne.jp mx ~all, google-site-verification=uKDJX3VXKTJqmVF
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Mail Server Role

sk-tech.jp serves as the mail server for sk-tech.jp.

IP Addresses

sk-tech.jp points to IP number 49.212.116.153.

Other host names, for instance, 153.116.212.49.static.www7825m.sakura.ne.jp share IP numbers with sk-tech.jp.

Name Servers

The delegation for sk-tech.jp is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

sk-tech.jp shares name servers with other domains at least partially, for example kouriokinawa.com, soreccha.com, beihaidao.biz, bigservice.sakura.ne.jp and tomoco.jp.

These name servers are commonly used with dns.sakura.ad.jp.

Host names with a single IP address: 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

sk-tech.jp is handled by a single mail server, sk-tech.jp.

sk-tech.jp points to a single IP: 49.212.116.153.