ta-u.ac.jp - robtex.com

ta-u.ac.jp

DNSSEC🔒 Signed (DS record present)
A85.131.210.79🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv898.xbiz.ne.jp
NSns000.d-53.net
NSns013-qz72ffhyh6xb7pfv.q.d-53.info
A2001:240:bb81::28:44🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs013.d-53.biz
A202.32.219.44🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs013.d-53.biz
NSns013-qz72ffhyh6xb7pfv.q.d-53.jp
A2001:240:bb81::29:1104🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs013.d-53.org
A203.180.146.104🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs013.d-53.org
NSns013-qz72ffhyh6xb7pfv.q.d-53.net
A2001:240:bb81::29:104🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs013.d-53.net
A210.138.20.104🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs013.d-53.net
MXtau-ac-jp0e.mail.protection.outlook.com
A2a01:111:f403:cc1a::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A2a01:111:f403:cc1f::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os9p286cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc1f::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01201.inbound.protection.outlook.com
A2a01:111:f403:cc24::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.6🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00206.inbound.protection.outlook.com
A52.101.157.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01302.inbound.protection.outlook.com
A52.101.157.11🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01203.inbound.protection.outlook.com
A52.101.157.40🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os9p286cu00100.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTMS=ms27994337
SOAns000.d-53.netdns-managers@iij.ad.jp serial=65

ac.jp

DNSSEC⚠️ Not signed
TXTac.jp.
WOT: SAFE (80/100)

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSns000.d-53.netns013-qz72ffhyh6xb7pfv.q.d-53.infons013-qz72ffhyh6xb7pfv.q.d-53.jpns013-qz72ffhyh6xb7pfv.q.d-53.netMXtau-ac-jp0e.mail.protection.outlook.comA85.131.210.79
NSns000.d-53.net2026-05-15 → 2026-07-04 · 2 obs
● 2026-05-15 02:36:46
● 2026-07-04 19:51:06
NSns013-qz72ffhyh6xb7pfv.q.d-53.info2026-05-15 → 2026-07-04 · 2 obs
● 2026-05-15 02:36:46
● 2026-07-04 19:51:06
NSns013-qz72ffhyh6xb7pfv.q.d-53.jp2026-05-15 → 2026-07-04 · 2 obs
● 2026-05-15 02:36:46
● 2026-07-04 19:51:06
NSns013-qz72ffhyh6xb7pfv.q.d-53.net2026-05-15 → 2026-07-04 · 2 obs
● 2026-05-15 02:36:46
● 2026-07-04 19:51:06
MXtau-ac-jp0e.mail.protection.outlook.com2026-05-15 → 2026-07-04 · 2 obs
● 2026-05-15 02:36:46
● 2026-07-04 19:51:06
A85.131.210.792026-05-15 → 2026-07-04 · 2 obs
● 2026-05-15 02:36:46
● 2026-07-04 19:51:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, g.dns.jp, c.dns.jp, f.dns.jp...-
ta-u.ac.jpns013-qz72ffhyh6xb7pfv.q.d-53.jp, ns013-qz72ffhyh6xb7pfv.q.d-53.net, ns013-qz72ffhyh6xb7pfv.q.d-53.info-

✅ Authoritative Response

Server:202.32.219.44

NS records: ns013-qz72ffhyh6xb7pfv.q.d-53.jp, ns013-qz72ffhyh6xb7pfv.q.d-53.net, ns013-qz72ffhyh6xb7pfv.q.d-53.info

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1605ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.210.79
NS3ns013-qz72ffhyh6xb7pfv.q.d-53.jp, ns013-qz72ffhyh6xb7pfv.q.d-53.net...
MX1tau-ac-jp0e.mail.protection.outlook.com
TXT2v=spf1 include:spf.protection.outlook.co, MS=ms27994337
SOA1ns000.d-53.net dns-managers.iij.ad.jp

Analysis

IP Addresses

ta-u.ac.jp points to a single IP number: 85.131.210.79.

Additional host names — hamakuri.co.jp, soa-partners.co.jp, nexus-group.jp and two others — share IP numbers with ta-u.ac.jp.

Name Servers

ta-u.ac.jp has four authoritative name servers: ns000.d-53.net, ns013-qz72ffhyh6xb7pfv.q.d-53.info, ns013-qz72ffhyh6xb7pfv.q.d-53.jp and ns013-qz72ffhyh6xb7pfv.q.d-53.net.

ta-u.ac.jp partially shares its NS delegation with several other domains, including forum8.co.jp, systembank.co.jp, unicef.or.jp and two others.

In DNS configurations, these name servers often share authority with dns-b.iij.ad.jp, dns-c.iij.ad.jp, ns01.iij-dns.jp and 7 other name servers.

ns013-qz72ffhyh6xb7pfv.q.d-53.info, ns013-qz72ffhyh6xb7pfv.q.d-53.jp and ns013-qz72ffhyh6xb7pfv.q.d-53.net are three hostnames that each resolve to a pair of IP addresses: ns013-qz72ffhyh6xb7pfv.q.d-53.info to 202.32.219.44 and 2001:240:bb81::28:44, ns013-qz72ffhyh6xb7pfv.q.d-53.jp to 203.180.146.104 and 2001:240:bb81::29:1104, and ns013-qz72ffhyh6xb7pfv.q.d-53.net to 210.138.20.104 and 2001:240:bb81::29:104.

Mail Servers

ta-u.ac.jp has one mail server: tau-ac-jp0e.mail.protection.outlook.com.

tau-ac-jp0e.mail.protection.outlook.com points to 8 IP numbers: 52.101.124.6, 52.101.157.10, 52.101.157.11 and 5 other.