`roadrunner-jp.com`

DNSSEC	⚠️ Not signed
NS	`vdns1.interlink.or.jp` ⭐ ⚠️ Not in parent delegation
		A	203.141.128.94^{🇯🇵 InfoSphere203.141.128.0/19 INTERLINK}
			PTR	`vdns1.interlink.or.jp`
NS	`gdns1.interlink.or.jp` ⚠️ Not in zone NS records
		A	203.141.128.80^{🇯🇵 InfoSphere203.141.128.0/19 INTERLINK}
			PTR	`gdns1.interlink.or.jp`
NS	`gdns2.interlink.or.jp` ⚠️ Not in zone NS records
		A	163.43.158.165^{🇯🇵 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}
NS	`ns1.roadrunner-jp.com` ⚠️ Not in zone NS records
		A	202.171.130.119^{🇯🇵 InfoSphere202.171.128.0/19 INTERLINK}
			PTR	`roadrunner-jp.com`
NS	`vdns2.interlink.or.jp` ⚠️ Not in parent delegation
		A	163.43.158.165^{🇯🇵 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}
MX	`roadrunner-jp.com` ⭐
SOA	`vdns1.interlink.or.jp`root@vdns1.interlink.or.jp 2011-06-13 #11

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

PTR for

119.130.171.202.in-addr.arpa

MX for

roadrunner-jp.com

Subdomains

mail.roadrunner-jp.com

ns1.roadrunner-jp.com

Same first word

roadrunner-jp.com

DNS History

15 records (6 active, 9 former)

●NSgdns1.interlink.or.jp2026-03-24 → 2026-03-24 · 3 obs

○ 2015-06-03 11:25:36
● 2026-03-24 11:43:24
● 2026-03-24 11:43:26

●NSgdns2.interlink.or.jp2026-03-24 → 2026-03-24 · 3 obs

○ 2015-06-03 11:25:36
● 2026-03-24 11:43:24
● 2026-03-24 11:43:26

●NSns1.roadrunner-jp.com2026-03-24 → 2026-03-24 · 3 obs

○ 2015-06-03 11:25:36
● 2026-03-24 11:43:24
● 2026-03-24 11:43:26

●NSvdns1.interlink.or.jp2015-06-03 → 2026-03-24 · 2 obs

● 2015-06-03 11:25:36
● 2026-03-24 11:43:26

●NSvdns2.interlink.or.jp2015-06-03 → 2026-03-24 · 2 obs

● 2015-06-03 11:25:36
● 2026-03-24 11:43:26

○MXalt1.aspmx.l.google.com2015-06-03 → 2019-03-20 · 4 obs

● 2015-06-03 11:25:36
● 2019-03-20 16:08:18
○ 2026-03-24 11:43:24
○ 2026-03-24 11:43:26

○MXalt2.aspmx.l.google.com2015-06-03 → 2019-03-20 · 4 obs

● 2015-06-03 11:25:36
● 2019-03-20 16:08:18
○ 2026-03-24 11:43:24
○ 2026-03-24 11:43:26

○MXaspmx.l.google.com2015-06-03 → 2019-03-20 · 4 obs

● 2015-06-03 11:25:36
● 2019-03-20 16:08:18
○ 2026-03-24 11:43:24
○ 2026-03-24 11:43:26

○MXaspmx2.googlemail.com2015-06-03 → 2019-03-20 · 4 obs

● 2015-06-03 11:25:36
● 2019-03-20 16:08:18
○ 2026-03-24 11:43:24
○ 2026-03-24 11:43:26

○MXaspmx3.googlemail.com2015-06-03 → 2019-03-20 · 4 obs

● 2015-06-03 11:25:36
● 2019-03-20 16:08:18
○ 2026-03-24 11:43:24
○ 2026-03-24 11:43:26

○MXaspmx4.googlemail.com2015-06-03 → 2019-03-20 · 4 obs

● 2015-06-03 11:25:36
● 2019-03-20 16:08:18
○ 2026-03-24 11:43:24
○ 2026-03-24 11:43:26

○MXaspmx5.googlemail.com2015-06-03 → 2019-03-20 · 4 obs

● 2015-06-03 11:25:36
● 2019-03-20 16:08:18
○ 2026-03-24 11:43:24
○ 2026-03-24 11:43:26

○MXmail.roadrunner-jp.com2015-06-03 → 2017-02-19 · 4 obs

● 2015-06-03 11:25:36
● 2017-02-19 15:02:32
○ 2019-03-20 16:08:18
○ 2026-03-24 11:43:26

●MXroadrunner-jp.com2026-03-24 → 2026-03-24 · 3 obs

○ 2019-03-20 16:08:18
● 2026-03-24 11:43:24
● 2026-03-24 11:43:26

○A202.171.130.1192015-06-03 → 2017-02-19 · 4 obs

● 2015-06-03 11:25:36
● 2017-02-19 15:02:32
○ 2019-03-20 16:08:18
○ 2026-03-24 11:43:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
roadrunner-jp.com	gdns1.interlink.or.jp, gdns2.interlink.or.jp, ns1.roadrunner-jp.com	1 record

✅ Authoritative Response

Server:202.171.130.119

NS records: gdns1.interlink.or.jp, gdns2.interlink.or.jp, ns1.roadrunner-jp.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for roadrunner-jp.com (unsigned zone)

⏱️ Timing

Total: 1031ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`vdns2.interlink.or.jp, vdns1.interlink.or.jp`
MX	1	`mail.roadrunner-jp.com (pri: 10)`
TXT	1	`v=spf1 ip4:202.171.130.119 ~all`
SOA	1	`ns1.roadrunner-jp.com root.roadrunner-jp`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns1.roadrunner-jp.com)

Analysis

Hierarchy

roadrunner-jp.com is a parent of mail.roadrunner-jp.com and ns1.roadrunner-jp.com.

Mail Server Role

roadrunner-jp.com serves as the mail server for roadrunner-jp.com.

Name Servers

roadrunner-jp.com is delegated to five name servers: ns1.roadrunner-jp.com, gdns1.interlink.or.jp, gdns2.interlink.or.jp, vdns1.interlink.or.jp and vdns2.interlink.or.jp.

At least part of the name servers for roadrunner-jp.com are shared with other domains, for instance 24u.jp, colopl.ph, yamakan.net, ntcltd.com and boucle.jp.

Host names with a single IP number:

ns1.roadrunner-jp.com points to 202.171.130.119

gdns1.interlink.or.jp points to 203.141.128.80

gdns2.interlink.or.jp points to 163.43.158.165

vdns1.interlink.or.jp points to 203.141.128.94

vdns2.interlink.or.jp points to 163.43.158.165

Host names that point to 163.43.158.165: gdns2.interlink.or.jp, vdns2.interlink.or.jp

Mail Servers

Mail for roadrunner-jp.com is handled by a single mail server, roadrunner-jp.com.

roadrunner-jp.com - robtex.com