f-web.co.jp - robtex.com

f-web.co.jp

DNSSEC⚠️ Not signed
A163.43.87.219🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww3979.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
MXf-web.co.jp ⭐
A163.43.87.219🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww3979.sakura.ne.jp
TXTv=spf1 a:www3979.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-06-01 #1

co.jp

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

MX for

f-web.co.jp

Same first word

f-web.ch
f-web.org
f-web.de
f-web.ru
f-web.net
f-web.com
f-web.co.jp
f-web.gr

Similar names

web-f.com
web-f.net
ef-wb.de

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpdns01.datastations.jpdns02.datastations.jpMXf-web.co.jpcfx05.new-core.comfront1.new-core.comfront2.new-core.comms004.new-core.comms004s.new-core.comA163.43.87.219202.191.118.224
○NSdns01.datastations.jp2015-07-23 → 2017-01-22 · 4 obs
● 2015-07-23 18:33:00
● 2017-01-22 23:56:04
○ 2026-05-11 20:04:06
○ 2026-05-31 09:05:42
○NSdns02.datastations.jp2015-07-23 → 2017-01-22 · 4 obs
● 2015-07-23 18:33:00
● 2017-01-22 23:56:04
○ 2026-05-11 20:04:06
○ 2026-05-31 09:05:42
●NSmaster.dns.ne.jp2026-05-11 → 2026-05-31 · 3 obs
○ 2017-01-22 23:56:04
● 2026-05-11 20:04:06
● 2026-05-31 09:05:42
●NSns1.dns.ne.jp2026-05-11 → 2026-05-31 · 3 obs
○ 2017-01-22 23:56:04
● 2026-05-11 20:04:06
● 2026-05-31 09:05:42
●NSns2.dns.ne.jp2026-05-11 → 2026-05-31 · 3 obs
○ 2017-01-22 23:56:04
● 2026-05-11 20:04:06
● 2026-05-31 09:05:42
○MXcfx05.new-core.com2015-07-23 → 2016-11-30 · 4 obs
● 2015-07-23 18:33:00
● 2016-11-30 15:37:18
○ 2016-12-17 13:47:40
○ 2026-05-31 09:05:42
●MXf-web.co.jp2026-05-11 → 2026-05-31 · 3 obs
○ 2017-01-22 23:56:04
● 2026-05-11 20:04:06
● 2026-05-31 09:05:42
○MXfront1.new-core.com2015-07-23 → 2017-01-22 · 4 obs
● 2015-07-23 18:33:00
● 2017-01-22 23:56:04
○ 2026-05-11 20:04:06
○ 2026-05-31 09:05:42
○MXfront2.new-core.com2015-07-23 → 2017-01-22 · 4 obs
● 2015-07-23 18:33:00
● 2017-01-22 23:56:04
○ 2026-05-11 20:04:06
○ 2026-05-31 09:05:42
○MXms004.new-core.com2015-07-23 → 2016-07-20 · 4 obs
● 2015-07-23 18:33:00
● 2016-07-20 09:18:20
○ 2016-09-28 21:21:52
○ 2026-05-31 09:05:42
○MXms004s.new-core.com2016-09-28 → 2017-01-22 · 5 obs
○ 2016-07-20 09:18:20
● 2016-09-28 21:21:52
● 2017-01-22 23:56:04
○ 2026-05-11 20:04:06
○ 2026-05-31 09:05:42
●A163.43.87.2192026-05-11 → 2026-05-31 · 3 obs
○ 2017-01-22 23:56:04
● 2026-05-11 20:04:06
● 2026-05-31 09:05:42
○A202.191.118.2242015-07-23 → 2017-01-22 · 4 obs
● 2015-07-23 18:33:00
● 2017-01-22 23:56:04
○ 2026-05-11 20:04:06
○ 2026-05-31 09:05:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
f-web.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 f-web.co.jp (unsigned zone)

⏱️ Timing

Total: 804ms | Queries: -

📄 Records

TypeCountSample Data
A1163.43.87.219
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1f-web.co.jp (pri: 10)
TXT1v=spf1 a:www3979.sakura.ne.jp mx ~all
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

The MX record for f-web.co.jp points back to f-web.co.jp — it is its own mail server.

IP Addresses

f-web.co.jp directs to one IP number, which is 163.43.87.219.

Among the host names that share IP numbers with f-web.co.jp are gakkun.net, fujimatsu-koumuten.co.jp, www3979.sakura.ne.jp and two others.

Name Servers

f-web.co.jp is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

f-web.co.jp shares at least some of its name servers with other domains, including besshi.com, mail.miraie.co.jp, npo-jam.jp and two others.

master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.

Mail Servers

The MX record for f-web.co.jp points to a single mail server: f-web.co.jp.

f-web.co.jp resolves to 163.43.87.219 and no other IP number.