`mx.umusic.kr`

DNSSEC	⚠️ Not signed
A	211.233.13.21^{🇰🇷 DACOM-NET211.233.0.0/18 contact noc@bora.net if necessary contact ysjeon7@bora.net if necessary}
		PTR	`mail.myservice.kr`
		PTR	`mx.umusic.kr`
		PTR	`mail.whyz.kr`
		PTR	`mail.onatra.co.kr`
		PTR	`mail.sankyo.co.kr`

`umusic.kr`

	DNSSEC	⚠️ Not signed
	NS	`ns1.whoisdomain.kr` ⭐
	NS	`ns2.whoisdomain.kr`
	NS	`ns3.whoisdomain.kr`
	NS	`ns4.whoisdomain.kr`
	MX	`mx.umusic.kr` ⭐
	TXT	`v=spf1 ip4:211.233.13.21 include:mail.stibee.com ~all`
	TXT	`globalsign-domain-verification=6DAEBC3E8004910568DDAED0879C3D54`
	SOA	`ns1.whoisdomain.kr`help@whois.co.kr 2014-02-20 #1

PTR for

21.13.233.211.in-addr.arpa

MX for

umusic.kr

Same first word

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mx.s3-website-eu-west-1.amazonaws.com

mx.s3-website-us-east-1.amazonaws.com

mx.design

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mx.msk.ru

mx.scrapping.cc

mx.tv

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xm.cm

DNS History

1 record (1 active, 0 former)

●A211.233.13.212026-03-07 → 2026-05-13 · 2 obs

● 2026-03-07 15:18:30
● 2026-05-13 16:53:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	-
umusic.kr	ns4.whoisdomain.kr, ns3.whoisdomain.kr, ns1.whoisdomain.kr, ns2.whoisdomain.kr	4 records

✅ Authoritative Response

Server:219.251.156.134

NS records: ns4.whoisdomain.kr, ns3.whoisdomain.kr, ns1.whoisdomain.kr, ns2.whoisdomain.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for umusic.kr (unsigned zone)

⏱️ Timing

Total: 998ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.233.13.21`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns4.whoisdomain.kr, ns3.whoisdomain.kr, ns2.whoisdomain.kr...)

Analysis

Mail Server Role

mx.umusic.kr serves as the mail server for umusic.kr.

IP Addresses

mx.umusic.kr resolves to a single IP: 211.233.13.21.

Other host names, for instance mail.1004.org, mx.myservice.kr, widegear.com, mx.benqsvc.com and mail.myservice.kr share IP numbers with mx.umusic.kr.

mx.umusic.kr - robtex.com

mx.umusic.kr

umusic.kr