mail.co-tk.com - robtex.com

mail.co-tk.com

CNAMEco-tk.com
DNSSEC⚠️ Not signed
A133.125.148.20🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRik10009.mixhost.jp
NSns1.mixhost.jp ⭐
A162.159.24.192Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.mixhost.jp
A162.159.25.9Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXco-tk.com ⭐
A133.125.148.20🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRik10009.mixhost.jp
TXTv=spf1 redirect=_spf.mixhost.jp
SOAns1.mixhost.jpsystem@mixhost.info 2026-03-09 #1

co-tk.com

DNSSEC⚠️ Not signed
A133.125.148.20🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
NSns1.mixhost.jp ⭐
NSns2.mixhost.jp
MXco-tk.com ⭐
TXTv=spf1 redirect=_spf.mixhost.jp
SOAns1.mixhost.jpsystem@mixhost.info 2026-03-09 #1

Previously MX for

co-tk.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A153.122.9.114CNAMEco-tk.com
○A153.122.9.1142015-06-09 → 2016-03-12 · 4 obs
● 2015-06-09 02:53:54
● 2016-03-12 11:39:18
○ 2026-03-18 10:24:46
○ 2026-03-23 18:58:20
●CNAMEco-tk.com2026-03-18 → 2026-03-23 · 2 obs
● 2026-03-18 10:24:46
● 2026-03-23 18:58:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
co-tk.comns1.mixhost.jp, ns2.mixhost.jp-

✅ Authoritative Response

Server:162.159.25.9

NS records: ns1.mixhost.jp, ns2.mixhost.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for co-tk.com (unsigned zone)

⏱️ Timing

Total: 1364ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1co-tk.com

Analysis

IP Addresses

mail.co-tk.com maps to IP address 133.125.148.20.

Other host names, for instance sanhelp.net, kazaruya.com, cyberaid.co.jp, starway.jp and binetu.com share IP numbers with mail.co-tk.com.

Name Servers

Two name servers ns1.mixhost.jp and ns2.mixhost.jp are delegated to mail.co-tk.com.

mail.co-tk.com uses the same name server configuration as other domains, such as allbaby.biz, ecotourism-okinawa.jp, model-kosatsu.com, deaikeilabo18.xyz and sakurasoft.co.jp.

mail.co-tk.com at least partially shares name servers with other domains such as umas.club, owt.jp, gayweb.jp, dmm-collection.com and yamory.com.

These name servers are commonly used alongside ns3.mixhost.jp, ns4.mixhost.jp and ns5.mixhost.jp.

Host names with a single IP address:

ns1.mixhost.jp points to 162.159.24.192

ns2.mixhost.jp points to 162.159.25.9

Mail Servers

mail.co-tk.com is handled by a single mail server, co-tk.com.

The mail server setup for mail.co-tk.com matches that of other domains, for instance co-tk.com.

co-tk.com points to one IP number: 133.125.148.20.