pdf-notes.co.kr - robtex.com

pdf-notes.co.kr

DNSSEC⚠️ Not signed
A54.180.90.244🇰🇷 Amazon54.180.0.0/15 EC2 ICN prefix
PTRec2-54-180-90-244.ap-northeast-2.compute.amazonaws.com
NSdns3.viaweb.co.kr ⭐
A222.233.52.121🇰🇷 SKB-NET222.232.0.0/13 SK Broadband
PTRdns3.viaweb.co.kr
NSdns4.viaweb.co.kr
A121.88.249.15🇰🇷 CNM-AS-KR121.88.249.0/24 Proxy-Registered Route Object by LG Dacom(AS3786)
SOAdns3.viaweb.co.krroot@dns3.viaweb.co.kr serial=1

co.kr

DNSSEC⚠️ Not signed
NSg.dns.kr ⭐ ⚠️ Not in parent delegation
NSb.dns.kr ⚠️ Not in parent delegation
NSc.dns.kr ⚠️ Not in parent delegation
NSd.dns.kr ⚠️ Not in parent delegation
NSe.dns.kr ⚠️ Not in parent delegation
NSf.dns.kr ⚠️ Not in parent delegation
SOAg.dns.krdomain-manager@nic.or.kr serial=2603290520
WOT: UNKNOWN (62/100)

Subdomains

www.pdf-notes.co.kr

Same first word

pdf-notes.co.kr
pdf-notes.net

DNS History

12 records (3 active, 9 former)

20162017201820192020202120222023202420252026NSdns3.viaweb.co.krdns4.viaweb.co.krns.pdf-notes.co.krns0.xname.orgns1.xname.orgns2.xname.orgns3.ibi.netns3.ibi.net.pdf-notes.co.krns4.ibi.netA54.180.90.244221.139.0.17252.78.165.104
●NSdns3.viaweb.co.kr2026-03-27 → 2026-03-29 · 3 obs
○ 2017-02-01 07:20:52
● 2026-03-27 18:15:46
● 2026-03-29 01:05:36
●NSdns4.viaweb.co.kr2026-03-27 → 2026-03-29 · 3 obs
○ 2017-02-01 07:20:52
● 2026-03-27 18:15:46
● 2026-03-29 01:05:36
○NSns.pdf-notes.co.kr2015-08-12 → 2016-03-14 · 4 obs
● 2015-08-12 16:39:54
● 2016-03-14 12:27:38
○ 2017-02-01 07:20:52
○ 2026-03-29 01:05:36
○NSns0.xname.org2015-08-12 → 2016-03-14 · 4 obs
● 2015-08-12 16:39:54
● 2016-03-14 12:27:38
○ 2017-02-01 07:20:52
○ 2026-03-29 01:05:36
○NSns1.xname.org2015-08-12 → 2016-03-14 · 4 obs
● 2015-08-12 16:39:54
● 2016-03-14 12:27:38
○ 2017-02-01 07:20:52
○ 2026-03-29 01:05:36
○NSns2.xname.org2015-08-12 → 2016-03-14 · 4 obs
● 2015-08-12 16:39:54
● 2016-03-14 12:27:38
○ 2017-02-01 07:20:52
○ 2026-03-29 01:05:36
○NSns3.ibi.net2017-02-01 → 2017-02-01 · 4 obs
○ 2016-03-14 12:27:38
● 2017-02-01 07:20:52
○ 2026-03-27 18:15:46
○ 2026-03-29 01:05:36
○NSns3.ibi.net.pdf-notes.co.kr2017-02-01 → 2017-02-01 · 4 obs
○ 2016-03-14 12:27:38
● 2017-02-01 07:20:52
○ 2026-03-27 18:15:46
○ 2026-03-29 01:05:36
○NSns4.ibi.net2017-02-01 → 2017-02-01 · 4 obs
○ 2016-03-14 12:27:38
● 2017-02-01 07:20:52
○ 2026-03-27 18:15:46
○ 2026-03-29 01:05:36
○A221.139.0.1722015-08-12 → 2016-03-14 · 4 obs
● 2015-08-12 16:39:54
● 2016-03-14 12:27:38
○ 2017-02-01 07:20:52
○ 2026-03-29 01:05:36
○A52.78.165.1042017-02-01 → 2017-02-01 · 4 obs
○ 2016-03-14 12:27:38
● 2017-02-01 07:20:52
○ 2026-03-27 18:15:46
○ 2026-03-29 01:05:36
●A54.180.90.2442026-03-27 → 2026-03-29 · 3 obs
○ 2017-02-01 07:20:52
● 2026-03-27 18:15:46
● 2026-03-29 01:05:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krc.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...-
pdf-notes.co.krdns4.viaweb.co.kr, dns3.viaweb.co.kr2 records

✅ Authoritative Response

Server:121.88.249.15

NS records: dns4.viaweb.co.kr, dns3.viaweb.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pdf-notes.co.kr (unsigned zone)

⏱️ Timing

Total: 1075ms | Queries: -

📄 Records

TypeCountSample Data
A154.180.90.244
NS2dns4.viaweb.co.kr, dns3.viaweb.co.kr
SOA1dns3.viaweb.co.kr root.dns3.viaweb.co.kr

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns4.viaweb.co.kr, dns3.viaweb.co.kr)

Analysis

Hierarchy

pdf-notes.co.kr is a parent of www.pdf-notes.co.kr.

IP Addresses

pdf-notes.co.kr points to a single IP number: 54.180.90.244.

Other host names, for instance siresol.org, amusetec.co.kr, pdf-notes.net, amusetec.com and ec2-54-180-90-244.ap-northeast-2.compute.amazonaws.com share IP numbers with pdf-notes.co.kr.

Name Servers

Delegation for pdf-notes.co.kr rests with two name servers, dns3.viaweb.co.kr and dns4.viaweb.co.kr.

pdf-notes.co.kr shares the same name server setup as other domains, including gwbc.or.kr, trustkuma.co.kr, zag.kr, amusetec.com and homeq.co.kr.

pdf-notes.co.kr at least partially shares name servers with other domains, for instance viahost.co.kr, www.kangsanenc.com, vitaon.co.kr, cijschool.com and quickquick.com.

These name servers are commonly used with sns1.viaweb.co.kr and sns2.viaweb.co.kr.

Host names with one IP number: dns3.viaweb.co.kr points to 222.233.52.121; dns4.viaweb.co.kr points to 121.88.249.15.