sirasawa.com - robtex.com

sirasawa.com

DNSSEC⚠️ Not signed
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
MXmail.sirasawa.com ⭐
A221.248.22.24🇯🇵 UCOM221.240.0.0/12 ARTERIA Networks Corporation(UCOM)
PTR221x248x22x24.ap221.ftth.ucom.ne.jp
TXTv=spf1 +ip4:221.248.22.24 -all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1705361654

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=1777086411

Subdomains

mail.sirasawa.com

Same first word

sirasawa.com
sirasawa.jp

Similar names

assawira.com

DNS History

7 records (5 active, 2 former)

200920112013201520172019202120232025NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns1.domain.livedoor.comns2.domain.livedoor.comMXmail.sirasawa.com
●NS01.dnsv.jp2015-05-23 → 2026-04-25 · 3 obs
○ 2008-03-18 02:45:50
● 2015-05-23 15:43:24
● 2026-04-25 03:29:34
●NS02.dnsv.jp2015-05-23 → 2026-04-25 · 3 obs
○ 2008-03-18 02:45:50
● 2015-05-23 15:43:24
● 2026-04-25 03:29:34
●NS03.dnsv.jp2015-05-23 → 2026-04-25 · 3 obs
○ 2008-03-18 02:45:50
● 2015-05-23 15:43:24
● 2026-04-25 03:29:34
●NS04.dnsv.jp2015-05-23 → 2026-04-25 · 3 obs
○ 2008-03-18 02:45:50
● 2015-05-23 15:43:24
● 2026-04-25 03:29:34
○NSns1.domain.livedoor.com2008-03-18 → 2008-03-18 · 3 obs
● 2008-03-18 02:45:50
○ 2015-05-23 15:43:24
○ 2026-04-25 03:29:34
○NSns2.domain.livedoor.com2008-03-18 → 2008-03-18 · 3 obs
● 2008-03-18 02:45:50
○ 2015-05-23 15:43:24
○ 2026-04-25 03:29:34
●MXmail.sirasawa.com2008-03-18 → 2026-04-25 · 2 obs
● 2008-03-18 02:45:50
● 2026-04-25 03:29:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
sirasawa.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 sirasawa.com (unsigned zone)

⏱️ Timing

Total: 1193ms | Queries: -

📄 Records

TypeCountSample Data
NS401.dnsv.jp, 02.dnsv.jp...
MX1mail.sirasawa.com (pri: 50)
TXT1v=spf1 +ip4:221.248.22.24 -all
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

Hierarchy

The parent of mail.sirasawa.com is sirasawa.com.

Name Servers

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

sirasawa.com at least partially shares name servers with other domains, for instance yumeakari.com, ebisulaw.tokyo, unimatec.co.jp, monkeymagic.or.jp and formpat.net.

Two IPs per host:

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

One IP per host:

02.dnsv.jp points to 157.7.33.53

Mail Servers

sirasawa.com is handled by a single mail server, mail.sirasawa.com.

mail.sirasawa.com points to a single IP: 221.248.22.24.