networkworld.jp - robtex.com
networkworld.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.104.58.116🇸🇬 AKAMAI-LINODE-AP172.104.32.0/19 Akamai Technologies | ||||||
| PTR | 172-104-58-116.ip.linodeusercontent.com | ||||||
| NS | ns1.gandi.net ⭐ | ||||||
| A | 2001:4b98:aaaa::2🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider | ||||||
| PTR | ns-1-a.gandi.net | ||||||
| A | 173.246.100.2🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A | ||||||
| PTR | ns-1-a.gandi.net | ||||||
| NS | ns-115-c.gandi.net | ||||||
| A | 2604:3400:aaac::74🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc. | ||||||
| PTR | ns-115-c.gandi.net | ||||||
| A | 217.70.187.116🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider | ||||||
| PTR | ns-115-c.gandi.net | ||||||
| NS | ns-122-b.gandi.net | ||||||
| A | 2001:4b98:aaab::7b🇫🇷 GANDI-LIVEDNS2001:4b98:aaab::/48 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net | ||||||
| PTR | ns-122-b.gandi.net | ||||||
| A | 213.167.230.123🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider | ||||||
| PTR | ns-122-b.gandi.net | ||||||
| NS | ns-38-a.gandi.net | ||||||
| A | 2001:4b98:aaaa::27🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider | ||||||
| PTR | ns-38-a.gandi.net | ||||||
| A | 173.246.100.39🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A | ||||||
| PTR | ns-38-a.gandi.net | ||||||
| MX | spool.mail.gandi.net ⭐ | ||||||
| A | 2001:4b98:e00::1🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net | ||||||
| PTR | spool.mail.gandi.net | ||||||
| A | 217.70.178.1🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net | ||||||
| PTR | spool.mail.gandi.net | ||||||
| MX | fb.mail.gandi.net(50) | ||||||
| A | 2001:4b98:dc4:8::215🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net | ||||||
| PTR | spool6.mail.gandi.net | ||||||
| A | 2001:4b98:dc4:8::216🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net | ||||||
| PTR | spool7.mail.gandi.net | ||||||
| A | 2001:4b98:dc4:8::217🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net | ||||||
| PTR | spool8.mail.gandi.net | ||||||
| A | 217.70.178.215🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net | ||||||
| PTR | spool6.mail.gandi.net | ||||||
| A | 217.70.178.216🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net | ||||||
| PTR | spool7.mail.gandi.net | ||||||
| A | 217.70.178.217🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net | ||||||
| PTR | spool8.mail.gandi.net | ||||||
| TXT | v=spf1 include:_mailcust.gandi.net ?all | ||||||
| SOA | ns1.gandi.nethostmaster@gandi.net serial=1785369600 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1785624303 | ||||||
Previously MX for
networkworld.jp |
Subdomains
www.networkworld.jp |
Same first word
networkworld.net |
networkworld.se |
networkworld.in |
networkworld.ru |
networkworld.tv |
networkworld.ro |
networkworld.es |
networkworld.jp |
networkworld.com |
Similar names
DNS History
18 records (7 active, 11 former)
●NSns-115-c.gandi.net2026-04-05 → 2026-08-01 · 3 obs
● 2026-04-05 17:23:04
● 2026-08-01 23:39:12
●NSns-122-b.gandi.net2026-04-05 → 2026-08-01 · 3 obs
● 2026-04-05 17:23:04
● 2026-08-01 23:39:12
●NSns-38-a.gandi.net2026-04-05 → 2026-08-01 · 3 obs
● 2026-04-05 17:23:04
● 2026-08-01 23:39:12
○NSns.networkworld.jp2016-12-29 → 2016-12-29 · 4 obs
● 2016-12-29 19:34:58
○ 2017-12-12 00:55:46
○ 2026-08-01 23:39:12
○NSns01.f123jp9953.info2017-12-12 → 2017-12-12 · 4 obs
● 2017-12-12 00:55:46
○ 2026-04-05 17:23:04
○ 2026-08-01 23:39:12
○NSns02.f123jp9953.info2017-12-12 → 2017-12-12 · 4 obs
● 2017-12-12 00:55:46
○ 2026-04-05 17:23:04
○ 2026-08-01 23:39:12
●NSns1.gandi.net2026-04-05 → 2026-08-01 · 3 obs
● 2026-04-05 17:23:04
● 2026-08-01 23:39:12
○NSns1.k012jp1114.info2015-07-01 → 2016-05-02 · 4 obs
● 2016-05-02 03:17:06
○ 2016-12-29 19:34:58
○ 2026-08-01 23:39:12
○NSns2.k012jp1114.info2015-07-01 → 2016-05-02 · 4 obs
● 2016-05-02 03:17:06
○ 2016-12-29 19:34:58
○ 2026-08-01 23:39:12
●MXfb.mail.gandi.net2026-04-05 → 2026-08-01 · 3 obs
● 2026-04-05 17:23:04
● 2026-08-01 23:39:12
○MXmail.networkworld.jp2016-12-29 → 2016-12-29 · 4 obs
● 2016-12-29 19:34:58
○ 2017-12-12 00:55:46
○ 2026-08-01 23:39:12
○MXnetworkworld.jp2015-07-01 → 2017-12-12 · 6 obs
● 2016-05-02 03:17:06
○ 2016-12-29 19:34:58
● 2017-12-12 00:55:46
○ 2026-04-05 17:23:04
○ 2026-08-01 23:39:12
●MXspool.mail.gandi.net2026-04-05 → 2026-08-01 · 3 obs
● 2026-04-05 17:23:04
● 2026-08-01 23:39:12
●A172.104.58.1162026-04-05 → 2026-08-01 · 3 obs
● 2026-04-05 17:23:04
● 2026-08-01 23:39:12
○A182.16.228.1272016-12-29 → 2016-12-29 · 4 obs
● 2016-12-29 19:34:58
○ 2017-12-12 00:55:46
○ 2026-08-01 23:39:12
○A203.140.71.22015-07-01 → 2015-11-05 · 4 obs
● 2015-11-05 13:30:42
○ 2016-02-23 04:35:18
○ 2026-08-01 23:39:12
○A211.9.117.22017-12-12 → 2017-12-12 · 4 obs
● 2017-12-12 00:55:46
○ 2026-04-05 17:23:04
○ 2026-08-01 23:39:12
○A218.251.118.2022016-02-23 → 2016-05-02 · 5 obs
● 2016-02-23 04:35:18
● 2016-05-02 03:17:06
○ 2016-12-29 19:34:58
○ 2026-08-01 23:39:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| networkworld.jp | ns-122-b.gandi.net, ns-38-a.gandi.net, ns-115-c.gandi.net | - |
✅ Authoritative Response
Server:213.167.230.123
NS records: ns-122-b.gandi.net, ns-38-a.gandi.net, ns-115-c.gandi.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for networkworld.jp (unsigned zone)
⏱️ Timing
Total: 1201ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.104.58.116 |
| NS | 3 | ns-38-a.gandi.net, ns-122-b.gandi.net... |
| MX | 2 | spool.mail.gandi.net (pri: 10), fb.mail.gandi.net (pri: 50) |
| TXT | 1 | v=spf1 include:_mailcust.gandi.net ?all |
| SOA | 1 | ns1.gandi.net hostmaster.gandi.net |
Analysis
Hierarchy
The domain www.networkworld.jp falls under the parent networkworld.jp.
IP Addresses
networkworld.jp has exactly one IP address — 172.104.58.116.
rs3-sgp.serverhostgroup.com, mail.aerosoftshoe.com, www.networkworld.jp plus two other host names have IP numbers in common with networkworld.jp.
Name Servers
Four name servers handle the delegation for networkworld.jp: ns-115-c.gandi.net, ns-122-b.gandi.net, ns-38-a.gandi.net and ns1.gandi.net.
At least some of networkworld.jp's name servers are shared with other domains, for example dantzan.com, bueter.org, cedaroffice.org and two more.
These name servers tend to co-occur with ns-62-a.gandi.net, ns-80-b.gandi.net, ns-83-a.gandi.net and 4 other name servers in the same DNS delegations.
Four hostnames, each resolving to a pair of IP addresses: ns-115-c.gandi.net directs to 217.70.187.116 and 2604:3400:aaac::74; ns-122-b.gandi.net directs to 213.167.230.123 and 2001:4b98:aaab::7b; ns-38-a.gandi.net directs to 173.246.100.39 and 2001:4b98:aaaa::27; ns1.gandi.net directs to 173.246.100.2 and 2001:4b98:aaaa::2.
Mail Servers
networkworld.jp uses two mail servers, fb.mail.gandi.net and spool.mail.gandi.net.
The mail server setup of networkworld.jp matches that of other domains such as 5aseco.com.br, digitalvortex.org, volkswagen-touran.fr and two others.
networkworld.jp has mail servers in common with other domains — for example infraweb.net, nikhita.com and silverpeas.org.
It is common to see these mail servers combined with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
Hosts with 6 IP addresses each:
fb.mail.gandi.net has IP addresses 217.70.178.215, 217.70.178.216 and 217.70.178.217, plus 3 other.
Host names pointing to two IP addresses:
spool.mail.gandi.net has two IP addresses: 217.70.178.1 and 2001:4b98:e00::1.