icoco.tw - robtex.com

icoco.tw

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4ad8πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3032::ac43:a369πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.74.216Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.163.105πŸ‡ΊπŸ‡Έ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSisla.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a77πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisla.ns.cloudflare.com
A2803:f800:50::6ca2:c077πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRisla.ns.cloudflare.com
A2a06:98c1:50::ac40:2077πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRisla.ns.cloudflare.com
A108.162.192.119πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisla.ns.cloudflare.com
A172.64.32.119πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisla.ns.cloudflare.com
A173.245.58.119πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisla.ns.cloudflare.com
NSmatt.ns.cloudflare.com
A2606:4700:58::adf5:3b83πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
A2803:f800:50::6ca2:c183πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmatt.ns.cloudflare.com
A2a06:98c1:50::ac40:2183πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRmatt.ns.cloudflare.com
A108.162.193.131πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
A172.64.33.131πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
A173.245.59.131πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
MXmx2.zoho.com ⭐
A136.143.183.44πŸ‡ΊπŸ‡Έ ZohoAS136.143.182.0/23 Zoho
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx3.zoho.com(20)
A136.143.191.44πŸ‡ΊπŸ‡Έ ZohoAS136.143.190.0/23 Zoho Corporation
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx.zoho.com(50)
A136.143.183.44πŸ‡ΊπŸ‡Έ ZohoAS136.143.182.0/23 Zoho
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
A136.143.191.44πŸ‡ΊπŸ‡Έ ZohoAS136.143.190.0/23 Zoho Corporation
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
TXTv=spf1 include:_mailcust.gandi.net include:zohomail.com ?all ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.74.216, 172.67.163.105
IPv6 hints2606:4700:3032::6815:4ad8, 2606:4700:3032::ac43:a369
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=165, name=cloudflare-ech.com
SOAisla.ns.cloudflare.comdns@cloudflare.com serial=2400521183

tw

DNSSECπŸ”’ Signed (DS record present)
NSa.dns.tw ⭐
NSanytld.apnic.net ⚠️ Not in parent delegation
NSb.dns.tw
NSc.dns.tw
NSd.dns.tw
NSe.dns.tw
NSf.dns.tw
NSg.dns.tw
NSh.dns.tw
SOAa.dns.twsnw@twnic.net.tw serial=2011000298

Same first word

Similar names

DNS History

9 records (9 active, 0 former)

NSisla.ns.cloudflare.commatt.ns.cloudflare.comMXmx.zoho.commx2.zoho.commx3.zoho.comA104.21.74.216172.67.163.1052606:4700:3032::6815:4ad82606:4700:3032::ac43:a369
●NSisla.ns.cloudflare.com2026-04-11 β†’ 2026-04-13 Β· 2 obs
● 2026-04-11 06:25:30
● 2026-04-13 05:33:24
●NSmatt.ns.cloudflare.com2026-04-11 β†’ 2026-04-13 Β· 2 obs
● 2026-04-11 06:25:30
● 2026-04-13 05:33:24
●MXmx.zoho.com2026-04-11 β†’ 2026-04-13 Β· 2 obs
● 2026-04-11 06:25:30
● 2026-04-13 05:33:24
●MXmx2.zoho.com2026-04-11 β†’ 2026-04-13 Β· 2 obs
● 2026-04-11 06:25:30
● 2026-04-13 05:33:24
●MXmx3.zoho.com2026-04-11 β†’ 2026-04-13 Β· 2 obs
● 2026-04-11 06:25:30
● 2026-04-13 05:33:24
●A104.21.74.2162026-04-11 β†’ 2026-04-13 Β· 2 obs
● 2026-04-11 06:25:30
● 2026-04-13 05:33:24
●A172.67.163.1052026-04-11 β†’ 2026-04-13 Β· 2 obs
● 2026-04-11 06:25:30
● 2026-04-13 05:33:24
●A2606:4700:3032::6815:4ad82026-04-11 β†’ 2026-04-13 Β· 2 obs
● 2026-04-11 06:25:30
● 2026-04-13 05:33:24
●A2606:4700:3032::ac43:a3692026-04-11 β†’ 2026-04-13 Β· 2 obs
● 2026-04-11 06:25:30
● 2026-04-13 05:33:24

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...-
icoco.twmatt.ns.cloudflare.com, isla.ns.cloudflare.com-

βœ… Authoritative Response

Server:173.245.58.119

NS records: matt.ns.cloudflare.com, isla.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for icoco.tw (unsigned zone)

⏱️ Timing

Total: 913ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.163.105, 104.21.74.216
AAAA22606:4700:3032::6815:4ad8, 2606:4700:3032::ac43:a369
NS2isla.ns.cloudflare.com, matt.ns.cloudflare.com
MX3mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...
TXT1v=spf1 include:_mailcust.gandi.net inclu
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1isla.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

icoco.tw maps to four IP numbers: 2606:4700:3032::6815:4ad8, 2606:4700:3032::ac43:a369, 104.21.74.216 and 172.67.163.105.

Other host names, for instance liacom.co.il, www.vesta-sa.ru, gzsykj.com.cn, mail.youlostmyvote.com and slpeds.net share IP numbers with icoco.tw.

Name Servers

Two name servers isla.ns.cloudflare.com and matt.ns.cloudflare.com are delegated to icoco.tw.

icoco.tw uses the same name server configuration as other domains, such as dirk.nu, elabcloud.com, icbpuebla.com, sloxy.com and hostnerds.com.

icoco.tw at least partially shares name servers with other domains such as regionscard.com, ziboyy.com, i2c.info, auftakt-musikschule.de and fate.lv.

These name servers are commonly used with rob.ns.cloudflare.com and fay.ns.cloudflare.com.

Host names with six IP numbers: Host name isla.ns.cloudflare.com points to 2606:4700:50::adf5:3a77, 2803:f800:50::6ca2:c077, 2a06:98c1:50::ac40:2077, 108.162.192.119, 172.64.32.119 and 173.245.58.119; host name matt.ns.cloudflare.com points to 2606:4700:58::adf5:3b83, 2803:f800:50::6ca2:c183, 2a06:98c1:50::ac40:2183, 108.162.193.131, 172.64.33.131 and 173.245.59.131.

Mail Servers

icoco.tw is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

icoco.tw shares mail servers with other domains at least in part, for instance theblingclub.com, casadecampola.com, opticsinsight.com, globallifestylelanka.com and kabarserasan.com.

Host names with two IP numbers:

mx.zoho.com points to 136.143.183.44 and 136.143.191.44.

Host names with one IP number:

mx2.zoho.com points to 136.143.183.44.

mx3.zoho.com points to 136.143.191.44.

Host names pointing to 136.143.183.44:

mx.zoho.com and mx2.zoho.com.

Host names pointing to 136.143.191.44:

mx.zoho.com and mx3.zoho.com.