ee.titech.ac.jp - robtex.com
ee.titech.ac.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 131.112.113.19๐ฏ๐ต TITECH131.112.0.0/16 Tokyo Institute of Technology | ||||||
| NS | dns-o.net.titech.ac.jp โญ | ||||||
| A | 131.112.125.54๐ฏ๐ต TITECH131.112.0.0/16 Tokyo Institute of Technology | ||||||
| PTR | dns-o.net.titech.ac.jp | ||||||
| NS | titechdns-o.noc.titech.ac.jp | ||||||
| A | 2403:4440:40:997::125:57๐ฏ๐ต TITECH2403:4440::/32 Tokyo Institute of Technology X-Keiro: as9367@noc.titech.ac.jp | ||||||
| A | 131.112.125.57๐ฏ๐ต TITECH131.112.0.0/16 Tokyo Institute of Technology | ||||||
| PTR | titechdns-o.noc.titech.ac.jp | ||||||
| NS | titechdns-s.noc.titech.ac.jp | ||||||
| A | 2403:4440:50:947::181:57๐ฏ๐ต TITECH2403:4440::/32 Tokyo Institute of Technology X-Keiro: as9367@noc.titech.ac.jp | ||||||
| A | 131.112.181.57๐ฏ๐ต TITECH131.112.0.0/16 Tokyo Institute of Technology | ||||||
| PTR | titechdns-s.noc.titech.ac.jp | ||||||
| MX | filter.nap.gsic.titech.ac.jp โญ | ||||||
| A | 131.112.13.7๐ฏ๐ต TITECH131.112.0.0/16 Tokyo Institute of Technology | ||||||
| TXT | v=spf1 include:_spf.m.titech.ac.jp ~all | ||||||
| SOA | dns-o.net.titech.ac.jproot@dns-o.net.titech.ac.jp 2026-04-28 #0 | ||||||
titech.ac.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 131.112.125.17๐ฏ๐ต TITECH131.112.0.0/16 Tokyo Institute of Technology | ||||||
| NS | ns1.noc.titech.ac.jp โญ | ||||||
| NS | ns.fujisawa.wide.ad.jp | ||||||
| NS | titechns2-o.noc.titech.ac.jp | ||||||
| NS | titechns2-s.noc.titech.ac.jp | ||||||
| MX | filter.nap.gsic.titech.ac.jp โญ | ||||||
| TXT | v=spf1 include:_spf.m.titech.ac.jp ~all | ||||||
| TXT | google-site-verification=sEA5LrILIEApBN_TmrcwgzYpGxnjq6bV9lluZGkgTJE | ||||||
| SOA | ns1.noc.titech.ac.jpnoc-admin@noc.titech.ac.jp 2026-07-14 #1 | ||||||
rank #6500 globally
rank #119 in the tld
WOT: SAFE (85/100)
๐ Tranco rank: #18,066
Subdomains
Same first word
DNS History
7 records (5 active, 2 former)
โNSdns-o.net.titech.ac.jp2014-12-07 โ 2026-07-18 ยท 2 obs
โ 2026-07-18 19:05:46
โNSdns-s.net.titech.ac.jp2014-12-07 โ 2016-04-14 ยท 4 obs
โ 2016-04-14 02:10:50
โ 2026-03-12 06:30:10
โ 2026-07-18 19:05:46
โNSns2.noc.titech.ac.jp2014-12-07 โ 2016-04-14 ยท 4 obs
โ 2016-04-14 02:10:50
โ 2026-03-12 06:30:10
โ 2026-07-18 19:05:46
โNStitechdns-o.noc.titech.ac.jp2026-03-12 โ 2026-07-18 ยท 3 obs
โ 2026-03-12 06:30:10
โ 2026-07-18 19:05:46
โNStitechdns-s.noc.titech.ac.jp2026-03-12 โ 2026-07-18 ยท 3 obs
โ 2026-03-12 06:30:10
โ 2026-07-18 19:05:46
โMXfilter.nap.gsic.titech.ac.jp2014-12-07 โ 2026-07-18 ยท 2 obs
โ 2026-07-18 19:05:46
โA131.112.113.192014-12-07 โ 2026-07-18 ยท 2 obs
โ 2026-07-18 19:05:46
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | 15 records |
| titech.ac.jp | ns.fujisawa.wide.ad.jp, titechns2-o.noc.titech.ac.jp, titechns2-s.noc.titech.ac.jp | 2 records |
| ee.titech.ac.jp | titechdns-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp | 4 records |
โ Authoritative Response
Server:131.112.125.57
NS records: titechdns-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for titech.ac.jp (unsigned zone)
โฑ๏ธ Timing
Total: 4151ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 131.112.113.19 |
| NS | 2 | titechdns-s.noc.titech.ac.jp, titechdns-o.noc.titech.ac.jp |
| MX | 1 | filter.nap.gsic.titech.ac.jp (pri: 5) |
| TXT | 1 | v=spf1 include:_spf.m.titech.ac.jp ~all |
| SOA | 1 | dns-o.net.titech.ac.jp root.dns-o.net.ti |
๐ 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.