swg-proxy.itcom21.com - dns.ninja

swg-proxy.itcom21.com

DNSSEC⚠️ Not signed
A118.151.185.82🇯🇵 IIJ-AS118.151.128.0/18 IIJ IPv4 BLOCK ( AS2497 )
PTRswg-proxy.itcom21.com
NSdns-b.iij.ad.jp
A2001:240:bb81::28:51🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.biz
A202.32.219.51🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.biz
NSdns0.iij-swg.jp
A2001:240:bb81::28:53🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs102.d-53.biz
A202.32.219.53🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs102.d-53.biz
NSdns1.iij-swg.jp
A2001:240:bb81::29:113🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs102.d-53.net
A210.138.20.113🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs102.d-53.net
MXbh0.iij.ad.jp
A202.32.78.22🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
SOAdns-b.iij.ad.jpdns-managers@iij.ad.jp serial=1636534009

itcom21.com

DNSSEC🔒 Signed (DS record present)
NSns000.d-53.net
NSns017-p3f9sk5npcu30u1r.p.d-53.info
NSns017-p3f9sk5npcu30u1r.p.d-53.jp
NSns017-p3f9sk5npcu30u1r.p.d-53.org
MXmx.securemx.jp
TXTv=spf1 include:spf.securemx.jp include:_spf.google.com ~all
TXTgoogle-site-verification=Mebx_P2kb8P0FBWk_VXUlLAROIPi3qpzJbNmWVQg6ro
SOAns000.d-53.netdns-managers@iij.ad.jp serial=370

PTR for

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSdns-b.iij.ad.jpdns0.iij-swg.jpdns1.iij-swg.jpdns-c.iij.ad.jpMXbh0.iij.ad.jpA118.151.185.82
NSdns-b.iij.ad.jp2015-06-11 → 2026-07-24 · 2 obs
● 2015-06-11 02:21:34
● 2026-07-24 02:36:14
NSdns-c.iij.ad.jp2015-06-11 → 2016-04-02 · 4 obs
● 2015-06-11 02:21:34
● 2016-04-02 13:30:32
○ 2026-03-30 10:27:22
○ 2026-07-24 02:36:14
NSdns0.iij-swg.jp2026-03-30 → 2026-07-24 · 3 obs
○ 2016-04-02 13:30:32
● 2026-03-30 10:27:22
● 2026-07-24 02:36:14
NSdns1.iij-swg.jp2026-03-30 → 2026-07-24 · 3 obs
○ 2016-04-02 13:30:32
● 2026-03-30 10:27:22
● 2026-07-24 02:36:14
MXbh0.iij.ad.jp2015-06-11 → 2026-07-24 · 2 obs
● 2015-06-11 02:21:34
● 2026-07-24 02:36:14
A118.151.185.822015-06-11 → 2026-07-24 · 2 obs
● 2015-06-11 02:21:34
● 2026-07-24 02:36:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
itcom21.comns017-p3f9sk5npcu30u1r.p.d-53.info, ns017-p3f9sk5npcu30u1r.p.d-53.jp, ns017-p3f9sk5npcu30u1r.p.d-53.org-
swg-proxy.itcom21.comdns1.iij-swg.jp, dns0.iij-swg.jp-

✅ Authoritative Response

Server:210.138.20.113

NS records: dns1.iij-swg.jp, dns0.iij-swg.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for swg-proxy.itcom21.com (unsigned zone)

⏱️ Timing

Total: 1790ms | Queries: -

📄 Records

TypeCountSample Data
A1118.151.185.82
NS2dns1.iij-swg.jp, dns0.iij-swg.jp
MX1bh0.iij.ad.jp (pri: 10)
SOA1dns-b.iij.ad.jp dns-managers.iij.ad.jp

Analysis

IP Addresses

swg-proxy.itcom21.com has exactly one IP address — 118.151.185.82.

Name Servers

swg-proxy.itcom21.com carries NS records delegating to dns0.iij-swg.jp, dns1.iij-swg.jp and dns-b.iij.ad.jp.

swg-proxy.itcom21.com shares at least some of its name servers with other domains, including nlt-technologies.co.jp, 149.238.202.in-addr.arpa, 92.138.210.bf.2iij.net and two others.

These name servers are frequently seen alongside ns000.d-53.net, dns-c.iij.ad.jp, rev.iij-dns.jp and 3 other name servers.

dns0.iij-swg.jp, dns1.iij-swg.jp and dns-b.iij.ad.jp are three hostnames that each resolve to a pair of IP addresses: dns0.iij-swg.jp to 202.32.219.53 and 2001:240:bb81::28:53, dns1.iij-swg.jp to 210.138.20.113 and 2001:240:bb81::29:113, and dns-b.iij.ad.jp to 202.32.219.51 and 2001:240:bb81::28:51.

Mail Servers

swg-proxy.itcom21.com uses one mail server — bh0.iij.ad.jp.

The mail server setup of swg-proxy.itcom21.com matches that of other domains such as 58.54.30.125.dy.iij4u.or.jp, 183.54.138.58.dy.bbexcite.jp, 36.173.151.118.rev.iijgio.jp and two others.

bh0.iij.ad.jp carries a single IP number, which is 202.32.78.22.