think-ahead.jp - robtex.com

think-ahead.jp

DNSSEC⚠️ Not signed
A160.16.239.131🇯🇵 SAKURA-B160.16.128.0/17 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRinfo.sipss.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
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
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:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
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(10)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(10)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx4.googlemail.com(10)
A2a00:1450:4001:c21::1a🇩🇪 Google2a00:1450:4001::/48
PTRlcfrai-in-f26.1e100.net
A142.251.127.26🇺🇸 Google142.251.127.0/24
PTRlcfrai-in-f26.1e100.net
MXaspmx5.googlemail.com(10)
A2607:f8b0:4003:c4a::1a🇺🇸 Google2607:f8b0:4003::/48
PTRyutulth-in-f26.1e100.net
A142.251.96.27🇺🇸 Google142.250.0.0/15
PTRyutulth-in-f27.1e100.net
TXTMS=ms90238443
TXTgoogle-site-verification=3D8kpoKfxy1cOKN4Od0Di5bdMfta05Utn10NBO-Wl5s
TXTgoogle-site-verification=mQJtl_q8QeJpZ_xo3Rf5c1cKsvev-ylRM1nOrPj64zA
TXTv=spf1 include:aspmx.googlemail.com ip4:160.16.151.128 ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1761032501

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1776054603

Subdomains

www.think-ahead.jp

Same first word

think-ahead.info
think-ahead.org.uk
think-ahead.jp
think-ahead.eu
think-ahead.de
think-ahead.org
think-ahead.com
think-ahead.net
think-ahead.at

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.comA160.16.239.131157.7.211.246
●NS01.dnsv.jp2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
●NS02.dnsv.jp2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
●NS03.dnsv.jp2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
●NS04.dnsv.jp2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
●MXalt1.aspmx.l.google.com2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
●MXalt2.aspmx.l.google.com2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
●MXaspmx.l.google.com2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
●MXaspmx2.googlemail.com2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
●MXaspmx3.googlemail.com2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
●MXaspmx4.googlemail.com2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
●MXaspmx5.googlemail.com2015-06-19 → 2026-04-13 · 2 obs
● 2015-06-19 21:40:02
● 2026-04-13 05:04:20
○A157.7.211.2462015-06-19 → 2017-02-05 · 4 obs
● 2015-06-19 21:40:02
● 2017-02-05 05:43:24
○ 2026-03-13 21:16:40
○ 2026-04-13 05:04:20
●A160.16.239.1312026-03-13 → 2026-04-13 · 3 obs
○ 2017-02-05 05:43:24
● 2026-03-13 21:16:40
● 2026-04-13 05:04:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
think-ahead.jp01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.32.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for think-ahead.jp (unsigned zone)

⏱️ Timing

Total: 1033ms | Queries: -

📄 Records

TypeCountSample Data
A1160.16.239.131
NS401.dnsv.jp, 02.dnsv.jp...
MX7alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)...
TXT4MS=ms90238443, google-site-verification=3D8kpoKfxy1cOKN...
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

Hierarchy

think-ahead.jp is a parent of www.think-ahead.jp.

IP Addresses

think-ahead.jp points to a single IP number: 160.16.239.131.

Other host names such as www.think-ahead.jp and info.sipss.jp share IP numbers with think-ahead.jp.

Name Servers

think-ahead.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

think-ahead.jp at least partially shares name servers with other domains, for instance diskspacefan.jp, asutamuland.jp, odasakura.com, gmofh.jp and kabuhiro.net.

Host names with two IPs:

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:

02.dnsv.jp points to: 157.7.33.53.

Mail Servers

think-ahead.jp is handled by seven mail servers: 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.

think-ahead.jp shares mail servers with other domains at least in part, for instance hollyinhollywood.com, twelveoneinc.com, haylengroup.com, shambhalamusicfestival.com and m10.in.

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

Host names with two IP numbers

Host aspmx2.googlemail.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26

Host aspmx3.googlemail.com points to 2a00:1450:400b:c02::1b and 172.253.116.26

Host aspmx4.googlemail.com points to 2a00:1450:4001:c21::1a and 142.251.127.26

Host aspmx5.googlemail.com points to 2607:f8b0:4003:c4a::1a and 142.251.96.27

Host aspmx.l.google.com points to 2607:f8b0:4023:c0d::1b and 142.250.101.27

Host alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.27

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

Host names that point to 2a00:1450:400b:c02::1b: aspmx3.googlemail.com and alt2.aspmx.l.google.com