krtec.co.jp - robtex.com

krtec.co.jp

DNSSEC⚠️ Not signed
A49.212.180.238🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2798.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
MXkrtec.co.jp ⭐
A49.212.180.238🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2798.sakura.ne.jp
TXTMS=294A2A27BEF2732DF0F4C7F5D0020DC31BB629FB
TXTv=spf1 a:www2798.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2019-04-06 #0

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

MX for

krtec.co.jp

Same first word

krtec.net
krtec.ru
krtec.co.jp

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DNS History

5 records (5 active, 0 former)

202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXkrtec.co.jpA49.212.180.238
●NSmaster.dns.ne.jp2020-04-01 → 2026-03-31 · 2 obs
● 2020-04-01 00:57:26
● 2026-03-31 20:02:36
●NSns1.dns.ne.jp2020-04-01 → 2026-03-31 · 2 obs
● 2020-04-01 00:57:26
● 2026-03-31 20:02:36
●NSns2.dns.ne.jp2020-04-01 → 2026-03-31 · 2 obs
● 2020-04-01 00:57:26
● 2026-03-31 20:02:36
●MXkrtec.co.jp2020-04-01 → 2026-03-31 · 2 obs
● 2020-04-01 00:57:26
● 2026-03-31 20:02:36
●A49.212.180.2382020-04-01 → 2026-03-31 · 2 obs
● 2020-04-01 00:57:26
● 2026-03-31 20:02:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, c.dns.jp, h.dns.jp, a.dns.jp...-
krtec.co.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 krtec.co.jp (unsigned zone)

⏱️ Timing

Total: 896ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.180.238
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1krtec.co.jp (pri: 10)
TXT2v=spf1 a:www2798.sakura.ne.jp mx ~all, MS=294A2A27BEF2732DF0F4C7F5D0020DC31BB62
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

krtec.co.jp is the mail server for krtec.co.jp.

IP Addresses

krtec.co.jp resolves to a single IP: 49.212.180.238.

Other host names, for instance inochinomonogatari.com, realabo.com, grates-salon.com, isystemjapan.sakura.ne.jp and garagemini.sakura.ne.jp share IP numbers with krtec.co.jp.

Name Servers

krtec.co.jp delegates to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

krtec.co.jp shares some name servers with other domains, for example io-p.net, marusa.info, showakanko.sakura.ne.jp, halcon.jpn.com and communication.ne.jp.

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

One mail server handles krtec.co.jp.

Host name krtec.co.jp points to IP 49.212.180.238.