str.ac - robtex.com

str.ac

DNSSEC⚠️ Not signed
A112.78.112.107🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1797.sakura.ne.jp
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp ⚠️ Not in parent delegation
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp ⚠️ Not in parent delegation
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c03::1b🇺🇸 Google2607:f8b0::/32
PTRdy-in-f27.1e100.net
A74.125.137.27🇺🇸 Google74.125.137.0/24
PTRdy-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx2.googlemail.com(30)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx4.googlemail.com(30)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.26🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
MXaspmx5.googlemail.com(30)
A2607:f8b0:4001:c70::1b🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f27.1e100.net
A192.178.209.27🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
SOA01.dnsv.jphostmaster@dnsv.jp serial=1600649643

ac

DNSSEC🔒 Signed (DS record present)
NSa0.nic.ac ⭐
NSa2.nic.ac
NSb0.nic.ac
NSc0.nic.ac
SOAa0.nic.achostmaster@donuts.email serial=1778336364

Subdomains

www.str.ac

Same first word

str.ax
str.ac
str.cr
str.com.tr
str.cloudns.cl
str.services
str.aero
str.org.za
str.lk
str.fi
str.co
str.nz
str.info
str.dk
str.click
str.st
str.pt
str.ch
str.com
str.org
str.kr
str.university
str.at
str.org.ru
str.sk
str.hu
str.domains
str.me
str.es
str.my
str.jp
str.org.uk
str.ee
str.com.sg
str.vc
str.tg
str.chat
str.us
str.lt
str.net
str.com.ua
str.cc
str.ac.th
str.bg
str.ie
str.md
str.be
str.se
str.co.nz
str.com.br
str.to
str.pp.ua
str.world
str.gr
str.cz
str.ms
str.nu
str.lv
str.im
str.mu
str.city
str.biz
str.cn
str.fr
str.ro
str.engineering
str.eu.com
str.team
str.realestate
str.pl
str.uk.com
str.co.uk
str.co.th
str.sg
str.by
str.ca
str.ne.jp
str.it
str.no
str.ru
str.me.uk
str.com.pl
str.mx
str.de
str.co.kr
str.mywire.org
str.su
str.com.ar

Similar names

tsr.co.jp
tsr.co.kr
tsr.casino
rts.care
rts.jp
rts.support
trs.jp
rst.org.au
tsr.gmbh
trs.biz
tsr.fr
rts.at
rts.as
rts.cn
tsr.com.pe
srt.tel
trs.su
trs.or.th
rts.pl
srt.com.tw
tsr.cz
srt.coop
rst.com
rst.at
srt.im
rst.sk
rst.pt
srt.com
tsr.ca
rts.ac.kr
tsr.com.tr
rts.bg
tsr.edu.pl
rts.com
tsr.it
tsr.tools
srt.be
tsr.si
rst.co.za
rts.tv
rst.bialystok.pl
rst.hu
rts.ua
rts.lu
rts.be
rts.rs
trs.tv
rst.ge
srt.readthedocs.io
rts.ch
rts.ly
tsr.lv
rst.ee
rst.agency
rst.im
rts.ie
rts.fi
trs.domains
rts.co.id
rts.fm
rst.be
rst.co
rts.ro
rts.in.ua
rts.com.hk
rts.com.tr
tsr.fi
trs.org.za
rst.bz
rst.fe.it
rts.tw
rst.info
rst.com.tr
rst.by
srt.bz
rts.pw
srt.co.za
rst.in
srt.ro
rst.ch
tsr.ru
rst.org

DNS History

13 records (12 active, 1 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA112.78.112.107210.253.110.127
●NS01.dnsv.jp2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●NS02.dnsv.jp2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●NS03.dnsv.jp2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●NS04.dnsv.jp2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●MXalt1.aspmx.l.google.com2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●MXalt2.aspmx.l.google.com2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●MXaspmx.l.google.com2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●MXaspmx2.googlemail.com2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●MXaspmx3.googlemail.com2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●MXaspmx4.googlemail.com2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●MXaspmx5.googlemail.com2015-05-16 → 2026-05-09 · 2 obs
● 2015-05-16 08:34:00
● 2026-05-09 14:32:34
●A112.78.112.1072015-10-19 → 2026-05-09 · 3 obs
○ 2015-05-16 08:34:00
● 2015-10-19 02:50:42
● 2026-05-09 14:32:34
○A210.253.110.1272015-05-16 → 2015-05-16 · 3 obs
● 2015-05-16 08:34:00
○ 2015-10-19 02:50:42
○ 2026-05-09 14:32:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
aca0.nic.ac, a2.nic.ac, b0.nic.ac, c0.nic.ac-
str.ac02.dnsv.jp, 01.dnsv.jp-

✅ Authoritative Response

Server:157.7.32.53

NS records: 02.dnsv.jp, 01.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for str.ac (unsigned zone)

⏱️ Timing

Total: 1306ms | Queries: -

📄 Records

TypeCountSample Data
A1112.78.112.107
NS401.dnsv.jp, 02.dnsv.jp...
MX7alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 20)...
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

Hierarchy

The parent of www.str.ac is str.ac.

IP Addresses

str.ac points to a single IP address: 112.78.112.107.

Other host names such as en-sui.com, healthbridge.co.jp, strdesign.jp, fireworld-saitama.com and whaves.co.jp share IPs with str.ac.

Name Servers

str.ac is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

str.ac at least partially shares name servers with other domains, for example just-is.net, lrservice-web.com, kyoto-kawaramachi.or.jp, melto.jp and chiba-kyujin-center.com.

Host names with two IP numbers:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

Seven mail servers handle str.ac: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

str.ac shares at least partially some mail servers with other domains, for instance ns500724.ns500737.ns500737.ns500724.ns500737.ns500724.ns500599.ns500737.ns500599.ns500737.ns500583.ns500599.ns500697.yummyflingsfinder.com, roseknapp.net, ns500794.ns500841.ns500794.ns500841.ns500821.ns500821.ns500821.ns500821.ns500795.ns500794.ns500821.ns500795.ns500795.ns500790.ns500795.lustypartnersfinder.com, ns500758.ns500758.ns500698.ns500698.ns500735.ns500736.ns500735.ns500698.ns500735.ns500576.ns500698.ns500708.ns500619.ns500576.ns500652.ns500576.trackreceptor.com and ns500821.ns500841.ns500794.ns500794.ns500794.ns500821.ns500795.ns500794.ns500821.ns500794.ns500795.ns500821.ns500821.ns500790.ns500795.lustypartnersfinder.com.

These mail servers are often used with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1a and 192.178.128.26.

aspmx3.googlemail.com points to 2a00:1450:400b:c02::1a and 172.253.116.27.

aspmx4.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26.

aspmx5.googlemail.com points to 2607:f8b0:4001:c70::1b and 192.178.209.27.

aspmx.l.google.com points to 2607:f8b0:4023:c03::1b and 74.125.137.27.

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27.

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.27.

Host names that point to 172.253.116.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com.