y-book.com - robtex.com

y-book.com

DNSSEC⚠️ Not signed
A183.111.139.233🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A203.245.12.119🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
A203.245.12.127🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
A210.114.23.167🇰🇷 KT-NET210.114.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
NSy-book.com ⭐
A183.111.139.233🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A203.245.12.119🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
A203.245.12.127🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
A210.114.23.167🇰🇷 KT-NET210.114.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
NSns.cafe24.com
A112.175.246.226🇰🇷 KT-NET112.168.0.0/13
A112.175.247.226🇰🇷 KT-NET112.168.0.0/13
A175.125.93.135🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.145🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns0.cafe24.com
A116.126.143.241🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
NSns1.cafe24.com ⚠️ Not in parent delegation
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.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
TXTv=spf1 ip4:118.219.233.63 ~all
SOAy-book.compostmaster@y-book.com serial=20081117

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776003327

NS for

y-book.com

Subdomains

www.y-book.com

Same first word

y-book.com

Similar names

y-kobo.com

DNS History

13 records (9 active, 4 former)

20162017201820192020202120222023202420252026NSns.cafe24.comns0.cafe24.comns1.cafe24.comns2.cafe24.comy-book.comA183.111.139.233203.245.12.119203.245.12.127210.114.23.167210.114.23.227210.114.28.9218.145.66.97222.122.84.219
●NSns.cafe24.com2015-09-04 → 2026-04-12 · 2 obs
● 2015-09-04 07:59:38
● 2026-04-12 14:28:44
●NSns0.cafe24.com2015-09-04 → 2026-04-12 · 2 obs
● 2015-09-04 07:59:38
● 2026-04-12 14:28:44
●NSns1.cafe24.com2015-09-04 → 2026-04-12 · 2 obs
● 2015-09-04 07:59:38
● 2026-04-12 14:28:44
●NSns2.cafe24.com2015-09-04 → 2026-04-12 · 2 obs
● 2015-09-04 07:59:38
● 2026-04-12 14:28:44
●NSy-book.com2015-09-04 → 2026-04-12 · 2 obs
● 2015-09-04 07:59:38
● 2026-04-12 14:28:44
●A183.111.139.2332026-04-04 → 2026-04-12 · 3 obs
○ 2018-06-19 14:16:48
● 2026-04-04 23:31:10
● 2026-04-12 14:28:44
●A203.245.12.1192026-04-04 → 2026-04-12 · 3 obs
○ 2018-06-19 14:16:48
● 2026-04-04 23:31:10
● 2026-04-12 14:28:44
●A203.245.12.1272026-04-04 → 2026-04-12 · 3 obs
○ 2018-06-19 14:16:48
● 2026-04-04 23:31:10
● 2026-04-12 14:28:44
●A210.114.23.1672026-04-04 → 2026-04-12 · 3 obs
○ 2018-06-19 14:16:48
● 2026-04-04 23:31:10
● 2026-04-12 14:28:44
○A210.114.23.2272026-04-04 → 2026-04-12 · 2 obs
○ 2026-04-04 23:31:10
○ 2026-04-12 14:28:44
○A210.114.28.92026-04-04 → 2026-04-12 · 2 obs
○ 2026-04-04 23:31:10
○ 2026-04-12 14:28:44
○A218.145.66.972026-04-04 → 2026-04-12 · 2 obs
○ 2026-04-04 23:31:10
○ 2026-04-12 14:28:44
○A222.122.84.2192015-09-04 → 2018-06-19 · 4 obs
● 2015-09-04 07:59:38
● 2018-06-19 14:16:48
○ 2026-04-04 23:31:10
○ 2026-04-12 14:28:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
y-book.comns.cafe24.com, ns2.cafe24.com8 records

✅ Authoritative Response

Server:1.226.85.4

NS records: ns.cafe24.com, ns2.cafe24.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for y-book.com (unsigned zone)

⏱️ Timing

Total: 4118ms | Queries: -

📄 Records

TypeCountSample Data
A4203.245.12.119, 210.114.23.167...
NS4ns2.cafe24.com, ns.cafe24.com...
TXT1v=spf1 ip4:118.219.233.63 ~all
SOA1y-book.com postmaster.y-book.com

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns.cafe24.com, ns.cafe24.com, ns.cafe24.com...)

Analysis

Hierarchy

y-book.com is the parent of www.y-book.com.

Name Server Role

y-book.com serves as a name server for y-book.com.

ns0.cafe24.com, ns1.cafe24.com and ns2.cafe24.com are commonly used as name servers together with y-book.com.

IP Addresses

y-book.com resolves to four IP numbers: 183.111.139.233, 203.245.12.119, 203.245.12.127 and 210.114.23.167.

other host names for instance tplant.net, makejungle.co.kr, amosprofessional.com, menudaum.com and skysolution.co.kr share IP numbers with y-book.com.

Name Servers

y-book.com is delegated to five name servers: y-book.com, ns0.cafe24.com, ns1.cafe24.com, ns2.cafe24.com and ns.cafe24.com.

y-book.com at least partially shares name servers with other domains, for instance magicfn.com, ourmarketing.net, arfel.com, photoph.com and tayo.kr.

These name servers are commonly used with ns1.cafe24.co.kr, ns2.cafe24.co.kr, dns1.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.com, dns2.cafe24.co.kr, ns1.cafe24dns.co.kr and ns3.cafe24dns.co.kr.

Five IP numbers for host names:

ns1.cafe24.com points to 112.175.246.230, 112.175.246.231, 116.126.143.242, 175.125.93.134 and 175.125.93.135.

Four IP numbers for host names:

y-book.com points to 183.111.139.233, 203.245.12.119, 203.245.12.127 and 210.114.23.167.

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

ns.cafe24.com points to 112.175.246.226, 112.175.247.226, 175.125.93.135 and 175.125.93.145.

One IP number:

ns0.cafe24.com points to 116.126.143.241.

Host names pointing to 175.125.93.135:

ns1.cafe24.com and ns.cafe24.com.