crest-sch.com - robtex.com

crest-sch.com

DNSSEC⚠️ Not signed
A153.127.214.192🇯🇵 SAKURA-A153.127.192.0/19 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww4052.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
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
MXwww4052.sakura.ne.jp ⭐
A2401:2500:10a:1028:153:127:214:192🇯🇵 SAKURA-A2401:2500::/32 (ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww4052.sakura.ne.jp
A153.127.214.192🇯🇵 SAKURA-A153.127.192.0/19 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww4052.sakura.ne.jp
TXTv=spf1 a:www4052.sakura.ne.jp -all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1625987281

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=1778347571

Same first word

crest-sch.com

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns.crest-sch.comMXwww4052.sakura.ne.jpmail.crest-sch.comA153.127.214.192176.34.55.180
●NS01.dnsv.jp2026-02-24 → 2026-05-09 · 3 obs
○ 2019-03-28 11:20:38
● 2026-02-24 22:54:52
● 2026-05-09 17:56:26
●NS02.dnsv.jp2026-02-24 → 2026-05-09 · 3 obs
○ 2019-03-28 11:20:38
● 2026-02-24 22:54:52
● 2026-05-09 17:56:26
●NS03.dnsv.jp2026-02-24 → 2026-05-09 · 3 obs
○ 2019-03-28 11:20:38
● 2026-02-24 22:54:52
● 2026-05-09 17:56:26
●NS04.dnsv.jp2026-02-24 → 2026-05-09 · 3 obs
○ 2019-03-28 11:20:38
● 2026-02-24 22:54:52
● 2026-05-09 17:56:26
○NSns.crest-sch.com2015-07-24 → 2019-03-28 · 4 obs
● 2015-07-24 00:19:38
● 2019-03-28 11:20:38
○ 2026-02-24 22:54:52
○ 2026-05-09 17:56:26
○MXmail.crest-sch.com2015-07-24 → 2019-03-28 · 4 obs
● 2015-07-24 00:19:38
● 2019-03-28 11:20:38
○ 2026-02-24 22:54:52
○ 2026-05-09 17:56:26
●MXwww4052.sakura.ne.jp2026-02-24 → 2026-05-09 · 3 obs
○ 2019-03-28 11:20:38
● 2026-02-24 22:54:52
● 2026-05-09 17:56:26
●A153.127.214.1922026-02-24 → 2026-05-09 · 3 obs
○ 2019-03-28 11:20:38
● 2026-02-24 22:54:52
● 2026-05-09 17:56:26
○A176.34.55.1802015-07-24 → 2019-03-28 · 4 obs
● 2015-07-24 00:19:38
● 2019-03-28 11:20:38
○ 2026-02-24 22:54:52
○ 2026-05-09 17:56:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...-
crest-sch.com01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp-

✅ Authoritative Response

Server:157.7.33.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crest-sch.com (unsigned zone)

⏱️ Timing

Total: 1209ms | Queries: -

📄 Records

TypeCountSample Data
A1153.127.214.192
NS401.dnsv.jp, 02.dnsv.jp...
MX1www4052.sakura.ne.jp (pri: 10)
TXT1v=spf1 a:www4052.sakura.ne.jp -all
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

IP Addresses

crest-sch.com resolves to a single IP: 153.127.214.192.

Other host names, for instance risesquared.com, tohoku-wind.org, takanosj.com, www4052.sakura.ne.jp and m-k-e.jp share IP numbers with crest-sch.com.

Name Servers

crest-sch.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

crest-sch.com shares some name servers with other domains, for example ko-you.com, textile-net.work, wakax.org, staffmanagement.jp and hobbybox.online.

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

crest-sch.com is handled by a single mail server, www4052.sakura.ne.jp.

www4052.sakura.ne.jp resolves to two IPs: 2401:2500:10a:1028:153:127:214:192 and 153.127.214.192.