couplebook.com - robtex.com

couplebook.com

DNSSEC⚠️ Not signed
A183.111.174.87🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NScouplebook.com
A183.111.174.87🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSns1.cafe24.co.kr
A112.175.246.232🇰🇷 KT-NET112.168.0.0/13
PTRgjit.kr
PTRsnoweb.kr
PTRsinc2030.co.kr
A112.175.246.233🇰🇷 KT-NET112.168.0.0/13
A175.125.93.136🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.137🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns1.cafe24.com
A112.175.246.230🇰🇷 KT-NET112.168.0.0/13
A112.175.246.231🇰🇷 KT-NET112.168.0.0/13
A116.126.143.242🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
A175.125.93.134🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.135🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.co.kr ⚠️ Not in parent delegation
A112.175.247.232🇰🇷 KT-NET112.168.0.0/13
PTRsnoweb.kr
PTRsarchi.co.kr
A112.175.247.233🇰🇷 KT-NET112.168.0.0/13
A175.125.93.146🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.147🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.com ⚠️ Not in parent delegation
A1.226.85.4🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13
A1.234.0.4🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13
A112.175.11.4🇰🇷 KT-NET112.168.0.0/13
A112.175.12.4🇰🇷 KT-NET112.168.0.0/13
MXuws64-183.cafe24.com
A183.111.174.87🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
TXTv=spf1 ip4:183.111.174.87 ~all
SOAcouplebook.compostmaster@couplebook.com serial=20150717

com

NS for

Same first word

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NScouplebook.comns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comns.nskorea.comns2.nskorea.comns3.nskorea.comMXuws64-183.cafe24.commail.sangsic.comA183.111.174.87222.231.11.21
NScouplebook.com2015-11-08 → 2026-06-22 · 3 obs
○ 2015-07-02 22:12:38
● 2015-11-08 20:53:18
● 2026-06-22 09:20:40
NSns.nskorea.com2015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 22:12:38
○ 2015-11-08 20:53:18
○ 2026-06-22 09:20:40
NSns1.cafe24.co.kr2015-11-08 → 2026-06-22 · 3 obs
○ 2015-07-02 22:12:38
● 2015-11-08 20:53:18
● 2026-06-22 09:20:40
NSns1.cafe24.com2015-11-08 → 2026-06-22 · 3 obs
○ 2015-07-02 22:12:38
● 2015-11-08 20:53:18
● 2026-06-22 09:20:40
NSns2.cafe24.co.kr2015-11-08 → 2026-06-22 · 9 obs
○ 2015-07-02 22:12:38
● 2015-11-08 20:53:18
● 2026-04-09 20:48:36
○ 2026-04-11 18:25:10
● 2026-04-14 21:20:24
○ 2026-04-17 05:15:50
○ 2026-05-19 05:57:22
● 2026-06-04 05:45:52
● 2026-06-22 09:20:40
NSns2.cafe24.com2015-11-08 → 2026-06-22 · 9 obs
○ 2015-07-02 22:12:38
● 2015-11-08 20:53:18
● 2026-04-09 20:48:36
○ 2026-04-11 18:25:10
● 2026-04-14 21:20:24
○ 2026-04-17 05:15:50
○ 2026-05-19 05:57:22
● 2026-06-04 05:45:52
● 2026-06-22 09:20:40
NSns2.nskorea.com2015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 22:12:38
○ 2015-11-08 20:53:18
○ 2026-06-22 09:20:40
NSns3.nskorea.com2015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 22:12:38
○ 2015-11-08 20:53:18
○ 2026-06-22 09:20:40
MXmail.sangsic.com2015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 22:12:38
○ 2015-11-08 20:53:18
○ 2026-06-22 09:20:40
MXuws64-183.cafe24.com2015-11-08 → 2026-06-22 · 3 obs
○ 2015-07-02 22:12:38
● 2015-11-08 20:53:18
● 2026-06-22 09:20:40
A183.111.174.872015-11-08 → 2026-06-22 · 3 obs
○ 2015-07-02 22:12:38
● 2015-11-08 20:53:18
● 2026-06-22 09:20:40
A222.231.11.212015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 22:12:38
○ 2015-11-08 20:53:18
○ 2026-06-22 09:20:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net...-
couplebook.comns1.cafe24.com, ns1.cafe24.co.kr5 records

✅ Authoritative Response

Server:112.175.246.230

NS records: ns1.cafe24.com, ns1.cafe24.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for couplebook.com (unsigned zone)

⏱️ Timing

Total: 3107ms | Queries: -

📄 Records

TypeCountSample Data
A1183.111.174.87
NS4ns1.cafe24.co.kr, ns1.cafe24.com...
MX1uws64-183.cafe24.com (pri: 10)
TXT1v=spf1 ip4:183.111.174.87 ~all
SOA1couplebook.com postmaster.couplebook.com

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.cafe24.com, ns1.cafe24.com, ns1.cafe24.com...)

Analysis

Name Server Role

couplebook.com serves as a name server for itself — couplebook.com is its own authoritative name server.

ns1.cafe24.com, ns1.cafe24.co.kr and ns2.cafe24.com frequently serve as name servers alongside couplebook.com.

IP Addresses

couplebook.com points to a single IP number: 183.111.174.87.

Additional host names — nbmetal.co.kr, iruridesign.com, oabest.co.kr and two others — share IP numbers with couplebook.com.

Name Servers

couplebook.com is delegated to five name servers: couplebook.com, ns1.cafe24.com, ns2.cafe24.com and two others.

couplebook.com shares at least some of its name servers with other domains, including naseller.com, jarara.kr, gngface.co.kr and two others.

These name servers are frequently seen alongside ns2.cafe24.co.kr, ns.cafe24.com, ns0.cafe24.com and 4 other name servers.

Host names that resolve to five IP addresses:

ns1.cafe24.com points to 112.175.246.230, 112.175.246.231, 116.126.143.242 and two other IP addresses.

Host names resolving to four IP addresses:

ns2.cafe24.com points to 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr points to 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr points to 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Host names pointing to a single IP address:

couplebook.com resolves to the IP address 183.111.174.87.

Mail Servers

couplebook.com has one mail server: uws64-183.cafe24.com.

couplebook.com shares the same mail server setup as other domains, including preo.co.kr, cueviss.com, asmile.co.kr and two others.

uws64-183.cafe24.com resolves to 183.111.174.87 and no other IP number.