`asu.jp`

DNSSEC	⚠️ Not signed
NS	`ns11.asu.ac.jp` ⭐
		A	202.124.213.3^{🇯🇵 CTCX202.124.208.0/20 Chubu Telecommunications Company, Inc. Sakae 2-2-5, Naka-ku, Nagoya-shi, 460-0008 JAPAN}
NS	`ns2.dc.ctc.ad.jp`
		A	2001:f58:10:1001::102^{🇯🇵 CTCX2001:f58::/32 Chubu Telecommunications Company, Inc. Sakae 2-2-5, Naka-ku, Nagoya-shi, 460-0008 JAPAN}
			PTR	`ns2.dc.ctc.ad.jp`
		A	218.216.176.115^{🇯🇵 CTCX218.216.176.0/24 Chubu Telecommunications Company, Inc.}
			PTR	`ns2.dc.ctc.ad.jp`
TXT	`v=spf1 ip4:202.124.213.0/28 include:spf.protection.outlook.com -all`
TXT	`MS=ms52366280`
SOA	`ns11.asu.ac.jp`postmaster@asu.ac.jp serial=1753852473

`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.jp`root@dns.jp serial=1776942902

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DNS History

4 records (2 active, 2 former)

●NSns11.asu.ac.jp2015-06-11 → 2026-04-23 · 2 obs

● 2015-06-11 03:48:52
● 2026-04-23 11:48:30

●NSns2.dc.ctc.ad.jp2015-06-11 → 2026-04-23 · 2 obs

● 2015-06-11 03:48:52
● 2026-04-23 11:48:30

○MXmx1.asu.ac.jp2015-06-11 → 2016-11-24 · 4 obs

● 2015-06-11 03:48:52
● 2016-11-24 14:49:14
○ 2020-10-16 07:58:10
○ 2026-04-23 11:48:30

○A202.124.213.82015-06-11 → 2016-11-24 · 4 obs

● 2015-06-11 03:48:52
● 2016-11-24 14:49:14
○ 2020-10-16 07:58:10
○ 2026-04-23 11:48:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	h.dns.jp, a.dns.jp, b.dns.jp, f.dns.jp...	-
asu.jp	ns11.asu.ac.jp, ns2.dc.ctc.ad.jp	1 record

✅ Authoritative Response

Server:202.124.213.3

NS records: ns11.asu.ac.jp, ns2.dc.ctc.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for asu.jp (unsigned zone)

⏱️ Timing

Total: 1227ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns11.asu.ac.jp, ns2.dc.ctc.ad.jp`
TXT	2	`MS=ms52366280, v=spf1 ip4:202.124.213.0/28 include:spf.`
SOA	1	`ns11.asu.ac.jp postmaster.asu.ac.jp`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns11.asu.ac.jp)

Analysis

Name Servers

asu.jp's delegation is to two name servers ns11.asu.ac.jp and ns2.dc.ctc.ad.jp.

asu.jp shares the same name server setup as other domains, for example asu.ac.jp.

asu.jp at least partially shares its name servers with other domains, for instance amk.or.jp, hamaotome.co.jp, library.toyohashi.aichi.jp, besnavi.com and takitomi.co.jp.

These name servers are commonly used with ns1.hs.ctc.jp, ns3.ctc.jp, ns0.dc.ctc.ad.jp, ns1.okbnet.ne.jp, ns2.okbnet.ne.jp, cnr.kicnet.ne.jp, cns.kicnet.ne.jp, ns.amk.or.jp, ns1.zoo.co.jp and ns1.sinsyu.or.jp.

Host names with two IPs:

ns2.dc.ctc.ad.jp points to: 2001:f58:10:1001::102 and 218.216.176.115.

Host names with one IP:

ns11.asu.ac.jp points to: 202.124.213.3.

asu.jp - robtex.com

asu.jp

jp