isucoffice.com - robtex.com

isucoffice.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
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c0b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(30)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt3.aspmx.l.google.com(40)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt4.aspmx.l.google.com(50)
A2607:f8b0:4003:c4a::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulth-in-f27.1e100.net
A142.251.96.27🇺🇸 Google142.250.0.0/15
PTRyutulth-in-f27.1e100.net
SOA01.dnsv.jphostmaster@dnsv.jp serial=1505545489

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=1774620597

Same first word

isucoffice.com

DNS History

9 records (9 active, 0 former)

20192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.com
●NS01.dnsv.jp2018-07-12 → 2026-03-27 · 2 obs
● 2018-07-12 18:55:12
● 2026-03-27 14:33:24
●NS02.dnsv.jp2018-07-12 → 2026-03-27 · 2 obs
● 2018-07-12 18:55:12
● 2026-03-27 14:33:24
●NS03.dnsv.jp2018-07-12 → 2026-03-27 · 2 obs
● 2018-07-12 18:55:12
● 2026-03-27 14:33:24
●NS04.dnsv.jp2018-07-12 → 2026-03-27 · 2 obs
● 2018-07-12 18:55:12
● 2026-03-27 14:33:24
●MXalt1.aspmx.l.google.com2018-07-12 → 2026-03-27 · 2 obs
● 2018-07-12 18:55:12
● 2026-03-27 14:33:24
●MXalt2.aspmx.l.google.com2018-07-12 → 2026-03-27 · 2 obs
● 2018-07-12 18:55:12
● 2026-03-27 14:33:24
●MXalt3.aspmx.l.google.com2018-07-12 → 2026-03-27 · 2 obs
● 2018-07-12 18:55:12
● 2026-03-27 14:33:24
●MXalt4.aspmx.l.google.com2018-07-12 → 2026-03-27 · 2 obs
● 2018-07-12 18:55:12
● 2026-03-27 14:33:24
●MXaspmx.l.google.com2018-07-12 → 2026-03-27 · 2 obs
● 2018-07-12 18:55:12
● 2026-03-27 14:33:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
isucoffice.com01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp-

✅ Authoritative Response

Server:157.7.35.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isucoffice.com (unsigned zone)

⏱️ Timing

Total: 1121ms | Queries: -

📄 Records

TypeCountSample Data
NS401.dnsv.jp, 02.dnsv.jp...
MX5alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 30)...
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

Name Servers

isucoffice.com's delegation is handled by four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

isucoffice.com partially shares name servers with other domains; examples include bilmen.info, translation-proxy.com, curlclub.com, from44.com and tenne.jp.

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

Five mail servers handle isucoffice.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

isucoffice.com shares some mail servers with other domains, at least partially, such as ns500768.ns500758.ns500758.ns500758.ns500698.ns500735.ns500736.ns500708.ns500576.ns500708.ns500708.ns500576.ns500576.ns500576.ns500619.ns500619.trackreceptor.com, ns500698.ns500698.ns500759.ns500758.ns500735.ns500735.ns500735.ns500698.ns500576.ns500652.ns500619.ns500619.trackreceptor.com, ns500759.ns500758.ns500758.ns500758.ns500736.ns500736.ns500736.ns500698.ns500698.ns500576.ns500698.ns500698.ns500619.ns500576.trackreceptor.com, ns500759.ns500698.ns500758.ns500759.ns500758.ns500736.ns500736.ns500698.ns500698.ns500698.ns500736.ns500708.ns500576.ns500576.ns500576.ns500652.trackreceptor.com and ns500724.ns500599.ns500599.ns500599.ns500599.ns500737.ns500737.ns500737.ns500737.ns500737.ns500669.ns500599.ns500631.www.yummyflingsfinder.com.

These mail servers are often used together with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4004:c0b::1b and 172.253.62.27

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

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1b and 172.253.135.27

alt3.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.26

alt4.aspmx.l.google.com points to: 2607:f8b0:4003:c4a::1b and 142.251.96.27