mail.link4s.com - robtex.com

mail.link4s.com

DNSSEC⚠️ Not signed
A121.254.171.115🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
PTRweb115.koreafree.co.kr

link4s.com

DNSSEC⚠️ Not signed
A121.254.171.115🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
NSns1.koreafree.co.kr ⭐
NSns1.whoiskorea.co.kr
MXmail.link4s.com ⭐
TXTv=spf1 ip4:121.254.171.115 ~all
SOAns1.koreafree.co.krwebmaster@koreafree.co.kr 2011-02-21 #9
WOT: SAFE (65/100)
WOT: SAFE (83/100)

MX for

link4s.com

Same first word

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DNS History

4 records (1 active, 3 former)

20162017201820192020202120222023202420252026A121.254.171.115211.172.241.138211.43.210.5211.43.220.125
●A121.254.171.1152026-02-16 → 2026-04-13 · 3 obs
○ 2016-06-26 20:31:56
● 2026-02-16 00:10:30
● 2026-04-13 12:02:08
○A211.172.241.1382015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 10:08:40
○ 2015-10-23 17:06:00
○ 2026-04-13 12:02:08
○A211.43.210.52015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 10:08:40
○ 2026-02-16 00:10:30
○ 2026-04-13 12:02:08
○A211.43.220.1252015-10-23 → 2016-06-26 · 5 obs
○ 2015-08-11 10:08:40
● 2015-10-23 17:06:00
● 2016-06-26 20:31:56
○ 2026-02-16 00:10:30
○ 2026-04-13 12:02:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
link4s.comns1.whoiskorea.co.kr, ns1.koreafree.co.kr-

✅ Authoritative Response

Server:121.254.171.112

NS records: ns1.whoiskorea.co.kr, ns1.koreafree.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for link4s.com (unsigned zone)

⏱️ Timing

Total: 1180ms | Queries: -

📄 Records

TypeCountSample Data
A1121.254.171.115

Analysis

Mail Server Role

mail.link4s.com functions as a mail server for link4s.com.

IP Addresses

mail.link4s.com resolves to one IP number: 121.254.171.115.

other host names including ns.bi-hs.com, mail.munhwai.com, mail.bssm.ca, mail.balletmania.net and mail.samhancon.com share IP numbers with mail.link4s.com.