mx.rootnet.co.kr - robtex.com

mx.rootnet.co.kr

DNSSEC⚠️ Not signed
A121.78.246.16🇰🇷 KINXIDC-AS-KR121.78.246.0/24 KINX_IDC
PTRrootnet.co.kr

rootnet.co.kr

DNSSEC⚠️ Not signed
A121.78.246.16🇰🇷 KINXIDC-AS-KR121.78.246.0/24 KINX_IDC
NSns1.intihost.com ⭐ ⚠️ Not in parent delegation
NSns1.rootnet.kr ⚠️ Not in zone NS records
NSns2.intihost.com ⚠️ Not in parent delegation
NSns2.rootnet.kr ⚠️ Not in zone NS records
MXmx.rootnet.co.kr
TXTv=spf1 ip4:121.78.246.16 ip4:121.78.246.20 ~all
SOAns1.intihost.comroot@intihost.com 2026-03-04 #15

MX for

Same first word

Similar names

DNS History

1 record (1 active, 0 former)

A121.78.246.16
A121.78.246.162026-02-15 → 2026-08-05 · 2 obs
● 2026-02-15 05:55:46
● 2026-08-05 15:42:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krc.dns.kr, e.dns.kr, g.dns.kr, f.dns.kr...-
rootnet.co.krns2.rootnet.kr, ns1.rootnet.kr-

✅ Authoritative Response

Server:121.78.246.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rootnet.co.kr (unsigned zone)

⏱️ Timing

Total: 4680ms | Queries: -

📄 Records

TypeCountSample Data
A1121.78.246.16

Analysis

Mail Server Role

Mail for rootnet.co.kr is routed through the mail server mx.rootnet.co.kr.

IP Addresses

mx.rootnet.co.kr has exactly one IP address — 121.78.246.16.

rootnet.co.kr, apm.pe.kr and rootnet.kr are examples of other host names that share IP numbers with mx.rootnet.co.kr.