`dmma.kr`

DNSSEC	⚠️ Not signed
A	221.139.49.6^{🇰🇷 SKB-NET221.138.0.0/15 SK Broadband}
NS	`ns1.nurihosting.com` ⭐
		A	211.215.17.210^{🇰🇷 SKB-NET211.212.0.0/14 SK Broadband}
NS	`ns1.koal365.kr` ⚠️ Not in zone NS records
		A	221.139.49.17^{🇰🇷 SKB-NET221.138.0.0/15 SK Broadband}
NS	`ns2.koal365.kr` ⚠️ Not in zone NS records
MX	`mail.dmma.kr` ⭐
		A	221.139.49.6^{🇰🇷 SKB-NET221.138.0.0/15 SK Broadband}
TXT	`v=spf1 ip4:221.139.49.3 ip4:221.139.49.6 ~all`
SOA	`ns1.nurihosting.com`support@nurihosting.com 2023-01-26 #1

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2606090923

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	e.dns.kr, f.dns.kr, b.dns.kr, d.dns.kr...	-
dmma.kr	ns1.koal365.kr, ns2.koal365.kr	2 records

✅ Authoritative Response

Server:121.125.73.38

NS records: ns1.koal365.kr, ns2.koal365.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dmma.kr (unsigned zone)

⏱️ Timing

Total: 1008ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`221.139.49.6`
MX	1	`mail.dmma.kr (pri: 10)`
TXT	1	`v=spf1 ip4:221.139.49.3 ip4:221.139.49.`
SOA	1	`ns1.nurihosting.com support.nurihosting.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.koal365.kr, ns2.koal365.kr)

Analysis

IP Addresses

dmma.kr resolves to just one IP address, 221.139.49.6.

Two other host names, along with mail.ilila.co.kr, mail.reanclinic.co.kr and mail.taplay.co.kr, also share IP numbers with dmma.kr.

Name Servers

DNS for dmma.kr is handled by three authoritative name servers: ns1.nurihosting.com, ns1.koal365.kr and ns2.koal365.kr.

At least some of dmma.kr's name servers are shared with other domains, for example friendclinic.co.kr, osw.co.kr, kcou.org and two more.

These name servers co-occur with ns2.nurihosting.com, ns1.aramschool.co.kr, ns1.anybuild.co.kr and seven other name servers on a regular basis.

Each of ns1.nurihosting.com and ns1.koal365.kr has one IP address: ns1.nurihosting.com uses 211.215.17.210 and ns1.koal365.kr uses 221.139.49.17.

Mail Servers

The sole mail server for dmma.kr is mail.dmma.kr.

mail.dmma.kr has exactly one IP number: 221.139.49.6.

dmma.kr - robtex.com

dmma.kr

kr