athlete-prep.com - robtex.com

athlete-prep.com

DNSSEC⚠️ Not signed
A203.180.251.174🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRblunts2.tetrabit.net
NSns1.tetrabit.net ⭐
A210.175.229.68🇯🇵 FRT-AS-18074210.175.224.0/20 FRT-IDC
NSns2.tetrabit.net
A210.175.229.69🇯🇵 FRT-AS-18074210.175.224.0/20 FRT-IDC
NSns3.tetrabit.net ⚠️ Not in parent delegation
A54.64.63.182🇯🇵 Amazon54.64.0.0/15 EC2 NRT prefix
PTRns3.tetrabit.net
MXmail.athlete-prep.com ⭐
A203.180.251.199🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRblunts4.tbserver.net
TXTv=spf1 +ip4:203.180.251.174 +mx ~all
SOAns1.tetrabit.netwebmaster@tetrabit.jp 2025-09-05 #0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

DNS History

10 records (5 active, 5 former)

200920112013201520172019202120232025NSns1.tetrabit.netns2.tetrabit.netns3.tetrabit.netuns01.lolipop.jpuns02.lolipop.jpMXmail.athlete-prep.comathlete-prep.comA203.180.251.174202.222.28.49203.180.251.201
●NSns1.tetrabit.net2015-07-20 → 2026-03-18 · 3 obs
○ 2008-03-12 04:48:12
● 2015-07-20 22:01:00
● 2026-03-18 13:58:00
●NSns2.tetrabit.net2015-07-20 → 2026-03-18 · 3 obs
○ 2008-03-12 04:48:12
● 2015-07-20 22:01:00
● 2026-03-18 13:58:00
●NSns3.tetrabit.net2015-07-20 → 2026-03-18 · 3 obs
○ 2008-03-12 04:48:12
● 2015-07-20 22:01:00
● 2026-03-18 13:58:00
○NSuns01.lolipop.jp2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 04:48:12
○ 2015-07-20 22:01:00
○ 2026-03-18 13:58:00
○NSuns02.lolipop.jp2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 04:48:12
○ 2015-07-20 22:01:00
○ 2026-03-18 13:58:00
○MXathlete-prep.com2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 04:48:12
○ 2015-07-20 22:01:00
○ 2026-03-18 13:58:00
●MXmail.athlete-prep.com2015-07-20 → 2026-03-18 · 3 obs
○ 2008-03-12 04:48:12
● 2015-07-20 22:01:00
● 2026-03-18 13:58:00
○A202.222.28.492008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 04:48:12
○ 2015-07-20 22:01:00
○ 2026-03-18 13:58:00
●A203.180.251.1742026-03-18 → 2026-03-18 · 2 obs
○ 2017-03-19 04:38:20
● 2026-03-18 13:58:00
○A203.180.251.2012015-07-20 → 2017-03-19 · 4 obs
○ 2008-03-12 04:48:12
● 2015-07-20 22:01:00
● 2017-03-19 04:38:20
○ 2026-03-18 13:58:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...-
athlete-prep.comns1.tetrabit.net, ns2.tetrabit.net-

✅ Authoritative Response

Server: 210.175.229.68

NS records: ns1.tetrabit.net, ns2.tetrabit.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for athlete-prep.com (unsigned zone)

⏱️ Timing

Total: 1130ms | Queries: -

📄 Records

TypeCountSample Data
A1203.180.251.174
NS3ns1.tetrabit.net, ns3.tetrabit.net...
MX1mail.athlete-prep.com (pri: 20)
TXT1v=spf1 +ip4:203.180.251.174 +mx ~all
SOA1ns1.tetrabit.net webmaster.tetrabit.jp

Analysis

IP Addresses

athlete-prep.com points to a single IP: 203.180.251.174.

Other host names, for instance taiken.life, www.cocok.net, espritokinawa.com, blunts2.tetrabit.net and www.kariyushi.cc share IP numbers with athlete-prep.com.

Name Servers

athlete-prep.com is delegated to three name servers: ns1.tetrabit.net, ns2.tetrabit.net and ns3.tetrabit.net.

athlete-prep.com at least partially shares its name servers with other domains, for instance sky-club.jp, quick-rentacar.com, ala-mahaina.com, daiwacorporation.co.jp and assura.jp.

These name servers are often used together with the name servers dns1.aia.ne.jp.

Host names with one IP number:

ns1.tetrabit.net points to: 210.175.229.68.

ns2.tetrabit.net points to: 210.175.229.69.

ns3.tetrabit.net points to: 54.64.63.182.

Mail Servers

athlete-prep.com is served by a single mail server, mail.athlete-prep.com.

mail.athlete-prep.com points to IP number 203.180.251.199.