ctr.com.tw - dns.ninja

ctr.com.tw

DNSSEC๐Ÿ”’ Signed (DS record present)
A211.72.207.233๐Ÿ‡น๐Ÿ‡ผ HiNet211.72.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
NSns11.twnic.net.tw โญ
A2001:cd8:800::198๐Ÿ‡น๐Ÿ‡ผ Seednet2001:cd8::/32 SeedNet/NCIC route object
A2404:0:10a0::3852๐Ÿ‡น๐Ÿ‡ผ EBT2404:0:1000::/40 Asia Pacific Telecom IPv6
A54.249.43.242๐Ÿ‡ฏ๐Ÿ‡ต Amazon54.249.32.0/19 EC2 NRT
PTRec2-54-249-43-242.ap-northeast-1.compute.amazonaws.com
A203.73.24.198๐Ÿ‡น๐Ÿ‡ผ Seednet203.73.24.0/24 SeedNet
A210.201.138.52๐Ÿ‡น๐Ÿ‡ผ APOL210.201.138.0/24 Asia Pacific Telecom co., Ltd
NSns12.twnic.net.tw
A2001:454e:c010:101::234๐Ÿ‡น๐Ÿ‡ผ TFN-NET2001:454e:c010::/48 Proxy-registered route object(Customer)
PTRns12.twnic.net.tw
A2001:b000:1e0:c000::13๐Ÿ‡น๐Ÿ‡ผ HiNet2001:b000:100::/40
A60.199.218.234๐Ÿ‡น๐Ÿ‡ผ TFN-NET60.199.218.0/24 Taiwan Fixed Network
PTRns12.twnic.net.tw
A104.199.237.109๐Ÿ‡น๐Ÿ‡ผ Google104.199.224.0/20
PTR109.237.199.104.bc.googleusercontent.com
A211.20.231.13๐Ÿ‡น๐Ÿ‡ผ HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTR211-20-231-13.hinet-ip.hinet.net
MXms1.ctr.com.tw โญ
A220.128.113.40๐Ÿ‡น๐Ÿ‡ผ HiNet220.128.96.0/19
PTRmail.ctr.com.tw
TXTv=spf1 ip4:220.128.113.40 ~all
SOAns11.twnic.net.twtech@twnic.net.tw serial=1778008188

com.tw

DNSSECโš ๏ธ Not signed
NSa.twnic.net.tw โญ
NSanytld.apnic.net
NSb.twnic.net.tw
NSc.twnic.net.tw
NSd.twnic.net.tw
NSe.twnic.net.tw
NSf.twnic.net.tw
NSg.twnic.net.tw
NSh.dns.tw
NSh.twnic.net.tw
SOAa.twnic.net.twsnw@twnic.net.tw serial=2006355943
WOT: SAFE (58/100)

Subdomains

Same first word

Similar names

DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026NSns11.twnic.net.twns12.twnic.net.twns.ctr.com.twns2.ctr.com.twns3.ctr.com.twMXms1.ctr.com.twimail5.greatwall.netA211.72.207.233203.69.42.97
โ—‹NSns.ctr.com.tw2015-07-08 โ†’ 2017-04-02 ยท 4 obs
โ— 2015-07-08 21:48:54
โ— 2017-04-02 21:09:32
โ—‹ 2017-07-30 05:35:40
โ—‹ 2026-06-04 10:04:40
โ—NSns11.twnic.net.tw2017-07-30 โ†’ 2026-06-04 ยท 3 obs
โ—‹ 2017-04-02 21:09:32
โ— 2017-07-30 05:35:40
โ— 2026-06-04 10:04:40
โ—NSns12.twnic.net.tw2017-07-30 โ†’ 2026-06-04 ยท 3 obs
โ—‹ 2017-04-02 21:09:32
โ— 2017-07-30 05:35:40
โ— 2026-06-04 10:04:40
โ—‹NSns2.ctr.com.tw2015-07-08 โ†’ 2017-04-02 ยท 4 obs
โ— 2015-07-08 21:48:54
โ— 2017-04-02 21:09:32
โ—‹ 2017-07-30 05:35:40
โ—‹ 2026-06-04 10:04:40
โ—‹NSns3.ctr.com.tw2015-07-08 โ†’ 2017-04-02 ยท 4 obs
โ— 2015-07-08 21:48:54
โ— 2017-04-02 21:09:32
โ—‹ 2017-07-30 05:35:40
โ—‹ 2026-06-04 10:04:40
โ—‹MXimail5.greatwall.net2015-07-08 โ†’ 2017-04-02 ยท 4 obs
โ— 2015-07-08 21:48:54
โ— 2017-04-02 21:09:32
โ—‹ 2017-07-30 05:35:40
โ—‹ 2026-06-04 10:04:40
โ—MXms1.ctr.com.tw2017-07-30 โ†’ 2026-06-04 ยท 3 obs
โ—‹ 2017-04-02 21:09:32
โ— 2017-07-30 05:35:40
โ— 2026-06-04 10:04:40
โ—‹A203.69.42.972015-07-08 โ†’ 2017-04-02 ยท 4 obs
โ— 2015-07-08 21:48:54
โ— 2017-04-02 21:09:32
โ—‹ 2017-07-30 05:35:40
โ—‹ 2026-06-04 10:04:40
โ—A211.72.207.2332026-03-18 โ†’ 2026-06-04 ยท 3 obs
โ—‹ 2017-07-30 05:35:40
โ— 2026-03-18 13:37:16
โ— 2026-06-04 10:04:40

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...-
ctr.com.twns12.twnic.net.tw, ns11.twnic.net.tw-

โœ… Authoritative Response

Server:211.20.231.13

NS records: ns12.twnic.net.tw, ns11.twnic.net.tw

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 2824ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1211.72.207.233
NS2ns12.twnic.net.tw, ns11.twnic.net.tw
MX1ms1.ctr.com.tw (pri: 10)
TXT1v=spf1 ip4:220.128.113.40 ~all
SOA1ns11.twnic.net.tw tech.twnic.net.tw

Analysis

Hierarchy

The parent domain of mail.ctr.com.tw and ms1.ctr.com.tw is ctr.com.tw.

IP Addresses

ctr.com.tw directs to one IP number, which is 211.72.207.233.

Among the host names that share IP numbers with ctr.com.tw are anchung.com.tw, gianni.com.tw, gianni.tw and two others.

Name Servers

DNS delegation for ctr.com.tw points to two name servers: ns11.twnic.net.tw and ns12.twnic.net.tw.

ctr.com.tw has the same name server delegation as a number of other domains, such as nimax.com.tw, casemate.com.tw, sonax.com.tw and two more.

Host names resolving to 5 IP numbers:

ns11.twnic.net.tw directs to 54.249.43.242, 203.73.24.198, 210.201.138.52 and two other IP addresses.

ns12.twnic.net.tw directs to 60.199.218.234, 104.199.237.109, 211.20.231.13 and two other IP addresses.

Mail Servers

ctr.com.tw routes its mail through a single mail server, ms1.ctr.com.tw.

ctr.com.tw and domains like mail.ctr.com.tw share an identical mail server configuration.

ms1.ctr.com.tw has exactly one IP number: 220.128.113.40.