css-snet.co.jp - robtex.com

css-snet.co.jp

DNSSEC⚠️ Not signed
A133.242.249.237🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww4297.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
MXcsssnet-co-jp0i.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A2a01:111:f403:cc1a::2🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00302.inbound.protection.outlook.com
A2a01:111:f403:cc1a::3🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc1f::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01201.inbound.protection.outlook.com
A52.101.124.0🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A52.101.124.6🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00206.inbound.protection.outlook.com
A52.101.157.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01302.inbound.protection.outlook.com
A52.101.157.11🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01203.inbound.protection.outlook.com
TXTMS=30FE2C8A8C4FE4F2615BCCAB16D72DE176BCB883
TXTv=spf1 include:spf.protection.outlook.com include:spf.mta.hdems.com a:www2298...
TXTgoogle-site-verification=T5TaChrb-HwcswNA6ljAy9Ygxfeu3ktaeo0HoDhSGas
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-03-31 #1

co.jp

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

Subdomains

www.css-snet.co.jp

Same first word

css-snet.co.jp

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpfjkdns01.alpha-prm.jpfjkdns02.alpha-prm.jpfjkdns03.alpha-prm.jpfjkmst01.alpha-prm.jpMXcsssnet-co-jp0i.mail.protection.outlook.commxi.alpha-prm.jpA133.242.249.23727.0.41.39
○NSfjkdns01.alpha-prm.jp2015-08-13 → 2017-06-05 · 4 obs
● 2015-08-13 11:59:40
● 2017-06-05 17:05:04
○ 2026-02-22 13:31:04
○ 2026-04-14 02:27:24
○NSfjkdns02.alpha-prm.jp2015-08-13 → 2017-06-05 · 4 obs
● 2015-08-13 11:59:40
● 2017-06-05 17:05:04
○ 2026-02-22 13:31:04
○ 2026-04-14 02:27:24
○NSfjkdns03.alpha-prm.jp2015-08-13 → 2017-06-05 · 4 obs
● 2015-08-13 11:59:40
● 2017-06-05 17:05:04
○ 2026-02-22 13:31:04
○ 2026-04-14 02:27:24
○NSfjkmst01.alpha-prm.jp2015-08-13 → 2017-06-05 · 4 obs
● 2015-08-13 11:59:40
● 2017-06-05 17:05:04
○ 2026-02-22 13:31:04
○ 2026-04-14 02:27:24
●NSmaster.dns.ne.jp2026-02-22 → 2026-04-14 · 3 obs
○ 2017-06-05 17:05:04
● 2026-02-22 13:31:04
● 2026-04-14 02:27:24
●NSns1.dns.ne.jp2026-02-22 → 2026-04-14 · 3 obs
○ 2017-06-05 17:05:04
● 2026-02-22 13:31:04
● 2026-04-14 02:27:24
●NSns2.dns.ne.jp2026-02-22 → 2026-04-14 · 3 obs
○ 2017-06-05 17:05:04
● 2026-02-22 13:31:04
● 2026-04-14 02:27:24
●MXcsssnet-co-jp0i.mail.protection.outlook.com2026-02-22 → 2026-04-14 · 3 obs
○ 2017-06-05 17:05:04
● 2026-02-22 13:31:04
● 2026-04-14 02:27:24
○MXmxi.alpha-prm.jp2015-08-13 → 2017-06-05 · 4 obs
● 2015-08-13 11:59:40
● 2017-06-05 17:05:04
○ 2026-02-22 13:31:04
○ 2026-04-14 02:27:24
●A133.242.249.2372026-02-22 → 2026-04-14 · 3 obs
○ 2017-06-05 17:05:04
● 2026-02-22 13:31:04
● 2026-04-14 02:27:24
○A27.0.41.392015-08-13 → 2017-06-05 · 4 obs
● 2015-08-13 11:59:40
● 2017-06-05 17:05:04
○ 2026-02-22 13:31:04
○ 2026-04-14 02:27:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
css-snet.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 css-snet.co.jp (unsigned zone)

⏱️ Timing

Total: 906ms | Queries: -

📄 Records

TypeCountSample Data
A1133.242.249.237
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1csssnet-co-jp0i.mail.protection.outlook.
TXT3MS=30FE2C8A8C4FE4F2615BCCAB16D72DE176BCB, v=spf1 include:spf.protection.outlook.co...
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

Hierarchy

The parent of www.css-snet.co.jp is css-snet.co.jp.

IP Addresses

css-snet.co.jp points to IP number: 133.242.249.237.

Other host names such as utopos.jp, maruru.sakura.ne.jp, translocal.jp, www4297.sakura.ne.jp and picaro.jp share IPs with css-snet.co.jp.

Name Servers

css-snet.co.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

css-snet.co.jp at least partially shares name servers with other domains, for instance plus-f.net, nantaisan1.sakura.ne.jp, 180.242.133.in-addr.arpa, indy-suzuki.com and takamoto.gr.jp.

these name servers are often used in conjunction with the name servers dns.sakura.ad.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

css-snet.co.jp is handled by a single mail server, csssnet-co-jp0i.mail.protection.outlook.com.

Host name csssnet-co-jp0i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::1, 52.101.124.0, 52.101.124.6, 52.101.157.10 and 52.101.157.11.