ctocweb.com - robtex.com

ctocweb.com

DNSSEC⚠️ Not signed
A220.157.247.178🇯🇵 ASAHI-NET220.157.128.0/17
PTRs247178.ppp.asahi-net.or.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:f8b0:4004:c0b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f26.1e100.net
A142.251.111.27🇺🇸 Google142.251.111.0/24
PTRbk-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:4013:c1e::1b🇳🇱 Google2a00:1450:4013::/48
PTRyugrqzs-in-f27.1e100.net
A192.178.213.26🇺🇸 Google192.178.213.0/24
PTRyugrqzs-in-f26.1e100.net
MXaspmx2.googlemail.com(10)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXaspmx3.googlemail.com(10)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
TXTgoogle-site-verification=Y9lwXqofzCFhHovK0evbAEDmXLAIanXqraXHGeJIx68
TXTgoogle-site-verification=k_eDpCof9WNgjCQbk_RqHZ7IryS7VwOCp165GA_eXP0
TXTv=spf1 mx include:_spf.google.com ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1515565827

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=1774682437

Subdomains

www.ctocweb.com

Same first word

ctocweb.com

DNS History

12 records (10 active, 2 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.commail.ctocweb.comA220.157.247.178218.45.176.127
●NS01.dnsv.jp2015-06-14 → 2026-03-28 · 2 obs
● 2015-06-14 04:26:56
● 2026-03-28 07:46:48
●NS02.dnsv.jp2015-06-14 → 2026-03-28 · 2 obs
● 2015-06-14 04:26:56
● 2026-03-28 07:46:48
●NS03.dnsv.jp2015-06-14 → 2026-03-28 · 2 obs
● 2015-06-14 04:26:56
● 2026-03-28 07:46:48
●NS04.dnsv.jp2015-06-14 → 2026-03-28 · 2 obs
● 2015-06-14 04:26:56
● 2026-03-28 07:46:48
●MXalt1.aspmx.l.google.com2016-09-17 → 2026-03-28 · 3 obs
○ 2016-03-29 17:03:42
● 2016-09-17 15:25:28
● 2026-03-28 07:46:48
●MXalt2.aspmx.l.google.com2016-09-17 → 2026-03-28 · 3 obs
○ 2016-03-29 17:03:42
● 2016-09-17 15:25:28
● 2026-03-28 07:46:48
●MXaspmx.l.google.com2016-09-17 → 2026-03-28 · 3 obs
○ 2016-03-29 17:03:42
● 2016-09-17 15:25:28
● 2026-03-28 07:46:48
●MXaspmx2.googlemail.com2016-09-17 → 2026-03-28 · 3 obs
○ 2016-03-29 17:03:42
● 2016-09-17 15:25:28
● 2026-03-28 07:46:48
●MXaspmx3.googlemail.com2016-09-17 → 2026-03-28 · 3 obs
○ 2016-03-29 17:03:42
● 2016-09-17 15:25:28
● 2026-03-28 07:46:48
○MXmail.ctocweb.com2015-10-26 → 2016-03-29 · 4 obs
● 2015-10-26 21:43:56
● 2016-03-29 17:03:42
○ 2016-09-17 15:25:28
○ 2026-03-28 07:46:48
○A218.45.176.1272016-03-29 → 2017-04-09 · 4 obs
● 2016-03-29 17:03:42
● 2017-04-09 21:59:30
○ 2026-03-28 07:46:46
○ 2026-03-28 07:46:48
●A220.157.247.1782026-03-28 → 2026-03-28 · 3 obs
○ 2017-04-09 21:59:30
● 2026-03-28 07:46:46
● 2026-03-28 07:46:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...-
ctocweb.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 ctocweb.com (unsigned zone)

⏱️ Timing

Total: 1051ms | Queries: -

📄 Records

TypeCountSample Data
A1220.157.247.178
NS401.dnsv.jp, 02.dnsv.jp...
MX5alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)...
TXT3google-site-verification=Y9lwXqofzCFhHov, google-site-verification=k_eDpCof9WNgjCQ...
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

Hierarchy

ctocweb.com is the parent of www.ctocweb.com.

IP Addresses

ctocweb.com resolves to a single IP: 220.157.247.178.

Other host names share IP numbers with ctocweb.com; for instance s247178.ppp.asahi-net.or.jp.

Name Servers

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

ctocweb.com shares some name servers with other domains, for example kanda.mobi, shichiya.jp, uno-sd.com, nezu-muse.or.jp and abitus.biz.

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

ctocweb.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

ctocweb.com shares some mail servers with other domains, at least partially; for instance recitethis.com, ns500794.ns500841.ns500841.ns500821.ns500821.ns500794.ns500794.ns500821.ns500821.ns500821.ns500795.ns500821.ns500794.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com, ns500742.ns500671.ns500742.ns500731.ns500671.ns500671.ns500678.ns500678.ns500671.ns500704.ns500649.ns500678.ns500142.lusty(0x736c7574)z.com, ns500742.ns500742.ns500671.ns500671.ns500742.ns500742.ns500688.ns500704.ns500688.ns500688.ns500649.ns500678.ns500291.ns500291.ns500131.lustychickser.com and ns500671.ns500731.ns500671.ns500754.ns500742.ns500742.ns500671.ns500688.ns500671.ns500688.ns500291.ns500678.ns500649.ns500649.ns500666.ns500142.lusty(0x736c7574)z.com.

these mail servers are often used together with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IPs:

Host aspmx2.googlemail.com has IPs 2607:f8b0:4023:2801::1a and 192.178.128.26.

Host aspmx3.googlemail.com has IPs 2607:f8b0:4023:1015::1a and 172.253.135.27.

Host aspmx.l.google.com has IPs 2607:f8b0:4004:c0b::1a and 142.251.111.27.

Host alt1.aspmx.l.google.com has IPs 2607:f8b0:4023:2801::1b and 192.178.128.27.

Host alt2.aspmx.l.google.com has IPs 2a00:1450:4013:c1e::1b and 192.178.213.26.