speedtec.co.jp - robtex.com

speedtec.co.jp

DNSSEC⚠️ Not signed
A122.211.138.27🇯🇵 UCOM122.208.0.0/14 ARTERIA Networks Corporation(UCOM)
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp ⚠️ Not in parent delegation
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp ⚠️ Not in parent delegation
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXmail.speedtec.co.jp ⭐
A122.211.138.27🇯🇵 UCOM122.208.0.0/14 ARTERIA Networks Corporation(UCOM)
TXTv=spf1 ip4:122.211.138.8 ip4:122.211.138.27 ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1610083921

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
⚠️ On DNS blocklist: tif
WOT: SAFE (58/100)

Subdomains

mail.speedtec.co.jp

Same first word

speedtec.co.jp
speedtec.com.br
speedtec.de
speedtec.net
speedtec.nl
speedtec.at

Similar names

speedcet.com

DNS History

7 records (6 active, 1 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXmail.speedtec.co.jpA122.211.138.27122.211.138.8
●NS01.dnsv.jp2015-05-10 → 2026-08-05 · 2 obs
● 2015-05-10 20:25:16
● 2026-08-05 11:14:18
●NS02.dnsv.jp2015-05-10 → 2026-08-05 · 2 obs
● 2015-05-10 20:25:16
● 2026-08-05 11:14:18
●NS03.dnsv.jp2015-05-10 → 2026-08-05 · 2 obs
● 2015-05-10 20:25:16
● 2026-08-05 11:14:18
●NS04.dnsv.jp2015-05-10 → 2026-08-05 · 2 obs
● 2015-05-10 20:25:16
● 2026-08-05 11:14:18
●MXmail.speedtec.co.jp2015-05-10 → 2026-08-05 · 2 obs
● 2015-05-10 20:25:16
● 2026-08-05 11:14:18
●A122.211.138.272026-04-29 → 2026-08-05 · 3 obs
○ 2018-01-28 02:49:32
● 2026-04-29 09:23:26
● 2026-08-05 11:14:18
○A122.211.138.82015-05-10 → 2018-01-28 · 4 obs
● 2015-05-10 20:25:16
● 2018-01-28 02:49:32
○ 2026-04-29 09:23:26
○ 2026-08-05 11:14:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
speedtec.co.jp01.dnsv.jp, 02.dnsv.jp3 records

✅ Authoritative Response

Server:157.7.33.53

NS records: 01.dnsv.jp, 02.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for speedtec.co.jp (unsigned zone)

⏱️ Timing

Total: 888ms | Queries: -

📄 Records

TypeCountSample Data
A1122.211.138.27
NS401.dnsv.jp, 02.dnsv.jp...
MX1mail.speedtec.co.jp (pri: 10)
TXT1v=spf1 ip4:122.211.138.8 ip4:122.211.138
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (01.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp)

Analysis

Hierarchy

mail.speedtec.co.jp is a subdomain of speedtec.co.jp.

IP Addresses

speedtec.co.jp resolves to one IP address: 122.211.138.27.

mx.ddnsft.com, mail.dcom-now.com, www.crescere.co.jp and two other host names share IP numbers with speedtec.co.jp.

Name Servers

The authoritative name servers for speedtec.co.jp are 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

The name servers of speedtec.co.jp overlap at least partially with those of other domains — among them gbf0.com, testroom.info, umbe.jp and two more.

Hostnames that resolve to two IP addresses:

01.dnsv.jp directs traffic to 157.7.32.53 and 2400:8500:3300::53.

03.dnsv.jp directs traffic to 157.7.34.53 and 2400:8500:3000::53.

04.dnsv.jp directs traffic to 157.7.35.53 and 2400:8500:3fff::53.

Hosts with just one IP address:

02.dnsv.jp has the IP address 157.7.33.53.

Mail Servers

Mail for speedtec.co.jp is handled by a single mail server, mail.speedtec.co.jp.

mail.speedtec.co.jp directs to just one IP number, 122.211.138.27.