ee.titech.ac.jp - robtex.com

ee.titech.ac.jp

DNSSECโš ๏ธ Not signed
A131.112.113.19๐Ÿ‡ฏ๐Ÿ‡ต TITECH131.112.0.0/16 Tokyo Institute of Technology
NSdns-o.net.titech.ac.jp โญ
A131.112.125.54๐Ÿ‡ฏ๐Ÿ‡ต TITECH131.112.0.0/16 Tokyo Institute of Technology
PTRdns-o.net.titech.ac.jp
NStitechdns-o.noc.titech.ac.jp
A2403:4440:40:997::125:57๐Ÿ‡ฏ๐Ÿ‡ต TITECH2403:4440::/32 Tokyo Institute of Technology X-Keiro: as9367@noc.titech.ac.jp
A131.112.125.57๐Ÿ‡ฏ๐Ÿ‡ต TITECH131.112.0.0/16 Tokyo Institute of Technology
PTRtitechdns-o.noc.titech.ac.jp
NStitechdns-s.noc.titech.ac.jp
A2403:4440:50:947::181:57๐Ÿ‡ฏ๐Ÿ‡ต TITECH2403:4440::/32 Tokyo Institute of Technology X-Keiro: as9367@noc.titech.ac.jp
A131.112.181.57๐Ÿ‡ฏ๐Ÿ‡ต TITECH131.112.0.0/16 Tokyo Institute of Technology
PTRtitechdns-s.noc.titech.ac.jp
MXfilter.nap.gsic.titech.ac.jp โญ
A131.112.13.7๐Ÿ‡ฏ๐Ÿ‡ต TITECH131.112.0.0/16 Tokyo Institute of Technology
TXTv=spf1 include:_spf.m.titech.ac.jp ~all
SOAdns-o.net.titech.ac.jproot@dns-o.net.titech.ac.jp 2026-04-28 #0

titech.ac.jp

DNSSECโš ๏ธ Not signed
A131.112.125.17๐Ÿ‡ฏ๐Ÿ‡ต TITECH131.112.0.0/16 Tokyo Institute of Technology
NSns1.noc.titech.ac.jp โญ
NSns.fujisawa.wide.ad.jp
NStitechns2-o.noc.titech.ac.jp
NStitechns2-s.noc.titech.ac.jp
MXfilter.nap.gsic.titech.ac.jp โญ
TXTv=spf1 include:_spf.m.titech.ac.jp ~all
TXTgoogle-site-verification=sEA5LrILIEApBN_TmrcwgzYpGxnjq6bV9lluZGkgTJE
SOAns1.noc.titech.ac.jpnoc-admin@noc.titech.ac.jp 2026-07-14 #1
WOT: SAFE (74/100)
rank #6500 globally
rank #119 in the tld
WOT: SAFE (85/100)
๐Ÿ“ˆ Tranco rank: #18,066

Subdomains

Same first word

DNS History

7 records (5 active, 2 former)

201520162017201820192020202120222023202420252026NSdns-o.net.titech.ac.jptitechdns-o.noc.titech.ac.jptitechdns-s.noc.titech.ac.jpdns-s.net.titech.ac.jpns2.noc.titech.ac.jpMXfilter.nap.gsic.titech.ac.jpA131.112.113.19
โ—NSdns-o.net.titech.ac.jp2014-12-07 โ†’ 2026-07-18 ยท 2 obs
โ— 2014-12-07 04:50:36
โ— 2026-07-18 19:05:46
โ—‹NSdns-s.net.titech.ac.jp2014-12-07 โ†’ 2016-04-14 ยท 4 obs
โ— 2014-12-07 04:50:36
โ— 2016-04-14 02:10:50
โ—‹ 2026-03-12 06:30:10
โ—‹ 2026-07-18 19:05:46
โ—‹NSns2.noc.titech.ac.jp2014-12-07 โ†’ 2016-04-14 ยท 4 obs
โ— 2014-12-07 04:50:36
โ— 2016-04-14 02:10:50
โ—‹ 2026-03-12 06:30:10
โ—‹ 2026-07-18 19:05:46
โ—NStitechdns-o.noc.titech.ac.jp2026-03-12 โ†’ 2026-07-18 ยท 3 obs
โ—‹ 2016-04-14 02:10:50
โ— 2026-03-12 06:30:10
โ— 2026-07-18 19:05:46
โ—NStitechdns-s.noc.titech.ac.jp2026-03-12 โ†’ 2026-07-18 ยท 3 obs
โ—‹ 2016-04-14 02:10:50
โ— 2026-03-12 06:30:10
โ— 2026-07-18 19:05:46
โ—MXfilter.nap.gsic.titech.ac.jp2014-12-07 โ†’ 2026-07-18 ยท 2 obs
โ— 2014-12-07 04:50:36
โ— 2026-07-18 19:05:46
โ—A131.112.113.192014-12-07 โ†’ 2026-07-18 ยท 2 obs
โ— 2014-12-07 04:50:36
โ— 2026-07-18 19:05:46

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...15 records
titech.ac.jpns.fujisawa.wide.ad.jp, titechns2-o.noc.titech.ac.jp, titechns2-s.noc.titech.ac.jp2 records
ee.titech.ac.jptitechdns-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp4 records

โœ… Authoritative Response

Server:131.112.125.57

NS records: titechdns-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for titech.ac.jp (unsigned zone)

โฑ๏ธ Timing

Total: 4151ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1131.112.113.19
NS2titechdns-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp
MX1filter.nap.gsic.titech.ac.jp (pri: 5)
TXT1v=spf1 include:_spf.m.titech.ac.jp ~all
SOA1dns-o.net.titech.ac.jp root.dns-o.net.ti

๐Ÿ“Œ Glue Records Collected

Total: 21

In-bailiwick: 17 (e.dns.jp, e.dns.jp, g.dns.jp...)

Out-of-bailiwick: 4 (titechdns-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp, titechdns-s.noc.titech.ac.jp...)

Analysis

Hierarchy

silvia.ee.titech.ac.jp and mobile.ee.titech.ac.jp are both subdomains of ee.titech.ac.jp.

IP Addresses

ee.titech.ac.jp resolves to one IP address: 131.112.113.19.

Name Servers

DNS for ee.titech.ac.jp is handled by three authoritative name servers: dns-o.net.titech.ac.jp, titechdns-o.noc.titech.ac.jp and titechdns-s.noc.titech.ac.jp.

ee.titech.ac.jp shares at least some of its name servers with other domains, including ocw.titech.ac.jp, iir.titech.ac.jp, 243.112.131.in-addr.arpa and two others.

These name servers are frequently seen alongside dns-o.noc.titech.ac.jp, dns-s.net.titech.ac.jp, ns2.noc.titech.ac.jp and 4 other name servers.

Hostnames that resolve to two IP addresses:

titechdns-o.noc.titech.ac.jp has two IP addresses: 131.112.125.57 and 2403:4440:40:997::125:57.

titechdns-s.noc.titech.ac.jp has two IP addresses: 131.112.181.57 and 2403:4440:50:947::181:57.

Hosts with just one IP address:

dns-o.net.titech.ac.jp directs to 131.112.125.54.

Mail Servers

Mail for ee.titech.ac.jp is handled by a single mail server, filter.nap.gsic.titech.ac.jp.

ee.titech.ac.jp uses an identical mail server configuration to several other domains โ€” among them res.titech.ac.jp, hp.phys.titech.ac.jp, ict.e.titech.ac.jp and two more.

ee.titech.ac.jp shares at least some of its mail servers with other domains, such as isl.titech.ac.jp.

filter.nap.gsic.titech.ac.jp has exactly one IP number: 131.112.13.7.