ctookom.com - dns.ninja

`ctookom.com`

DNSSEC	⚠️ Not signed
A	109.234.167.149^{🇫🇷 O2SWITCH109.234.164.0/22}
		PTR	`109-234-167-149.reverse.odns.fr`
NS	`ns1.o2switch.net` ⭐
		A	109.234.160.5^{🇫🇷 O2SWITCH109.234.160.0/24 o2switch Internet Routing}
			PTR	`ns1.o2switch.net`
NS	`ns2.o2switch.net`
		A	109.234.161.5^{🇫🇷 O2SWITCH109.234.161.0/24 o2switch Internet Routing}
			PTR	`ns2.o2switch.net`
MX	`mx1.network-studio.com` ⭐
		A	194.8.50.31^{🇫🇷 NEO-ASN194.8.50.0/24 Network Studio via NEOT}
			PTR	`mx1.network-studio.com`
MX	`mx2.network-studio.com`⁽⁵⁰⁾
		A	91.216.58.90^{🇫🇷 Eyona91.216.58.0/24 SAS - IPv6 PI Alloc}
			PTR	`mx2.network-studio.com`
MX	`mail.ctookom.com`⁽¹⁰⁰⁾
		A	109.234.167.149^{🇫🇷 O2SWITCH109.234.164.0/22}
			PTR	`109-234-167-149.reverse.odns.fr`
TXT	`v=spf1 +ip4:109.234.167.149 +include:mx.ovh.com +mx +a +a:mx0.network-studio....`
SOA	`ns1.o2switch.net`sysadmin@o2switch.fr 2025-10-21 #12

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786444729

Subdomains

mail.ctookom.com

Same first word

ctookom.com

Similar names

kotocom.jp

DNS History

9 records (6 active, 3 former)

○NSdns10.ovh.net2015-08-20 → 2018-08-09 · 4 obs

● 2015-08-20 22:04:46
● 2018-08-09 20:54:42
○ 2026-05-04 09:09:00
○ 2026-08-11 11:03:58

●NSns1.o2switch.net2026-05-04 → 2026-08-11 · 3 obs

○ 2018-08-09 20:54:42
● 2026-05-04 09:09:00
● 2026-08-11 11:03:58

○NSns10.ovh.net2015-08-20 → 2018-08-09 · 4 obs

● 2015-08-20 22:04:46
● 2018-08-09 20:54:42
○ 2026-05-04 09:09:00
○ 2026-08-11 11:03:58

●NSns2.o2switch.net2026-05-04 → 2026-08-11 · 3 obs

○ 2018-08-09 20:54:42
● 2026-05-04 09:09:00
● 2026-08-11 11:03:58

●MXmail.ctookom.com2026-05-04 → 2026-08-11 · 3 obs

○ 2015-08-20 22:04:46
● 2026-05-04 09:09:00
● 2026-08-11 11:03:58

●MXmx1.network-studio.com2015-08-20 → 2026-08-11 · 2 obs

● 2015-08-20 22:04:46
● 2026-08-11 11:03:58

●MXmx2.network-studio.com2015-08-20 → 2026-08-11 · 2 obs

● 2015-08-20 22:04:46
● 2026-08-11 11:03:58

●A109.234.167.1492026-05-04 → 2026-08-11 · 3 obs

○ 2018-08-09 20:54:42
● 2026-05-04 09:09:00
● 2026-08-11 11:03:58

○A213.186.33.192015-08-20 → 2018-08-09 · 4 obs

● 2015-08-20 22:04:46
● 2018-08-09 20:54:42
○ 2026-05-04 09:09:00
○ 2026-08-11 11:03:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ctookom.com	ns1.o2switch.net, ns2.o2switch.net	-

✅ Authoritative Response

Server:109.234.160.5

NS records: ns1.o2switch.net, ns2.o2switch.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctookom.com (unsigned zone)

⏱️ Timing

Total: 660ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.234.167.149`
NS	2	`ns1.o2switch.net, ns2.o2switch.net`
MX	3	`mx2.network-studio.com (pri: 50), mail.ctookom.com (pri: 100)...`
TXT	1	`v=spf1 +ip4:109.234.167.149 +include:mx.`
SOA	1	`ns1.o2switch.net sysadmin.o2switch.fr`

Analysis

Hierarchy

mail.ctookom.com is a subdomain of ctookom.com.

IP Addresses

ctookom.com resolves to just one IP address, 109.234.167.149.

Two other host names, along with chaland.eu, galasblog.com and mail.myfilesbank.com, also share IP numbers with ctookom.com.

Name Servers

ctookom.com has two authoritative name servers — ns1.o2switch.net and ns2.o2switch.net.

ctookom.com shares its NS records with other domains, for example ctba.fr, at-historia.com, ce-secure.com and two others.

Both ns1.o2switch.net and ns2.o2switch.net have a single IP address each — ns1.o2switch.net resolves to 109.234.160.5 while ns2.o2switch.net resolves to 109.234.161.5.

Mail Servers

Mail for ctookom.com is routed through three mail servers — mail.ctookom.com, mx1.network-studio.com and mx2.network-studio.com.

There is at least a partial MX overlap between ctookom.com and other domains, including dnid.fr, actrecords.ch, landes-eternelles.com and two others.

The mail servers mx3.network-studio.com and mx4.network-studio.com are commonly paired with these mail servers.

Each of the three hostnames points to exactly one IP address: mail.ctookom.com points to 109.234.167.149, mx1.network-studio.com points to 194.8.50.31 and mx2.network-studio.com points to 91.216.58.90.