mail.fire21.com - robtex.com

mail.fire21.com

DNSSEC⚠️ Not signed
NSns1.uhost.co.kr ⭐ ⚠️ Not in parent delegation
A202.31.187.220🇰🇷 KT-NET202.31.187.0/24 I Names
NSns2.uhost.co.kr ⚠️ Not in parent delegation
A219.251.156.14🇰🇷 GDNSKR-KR219.251.156.0/24 AS23600
SOAns1.uhost.co.krts@inames.co.kr 2018-01-08 #13

fire21.com

DNSSEC⚠️ Not signed
NSns1.uhost.co.kr ⚠️ Not in zone NS records
NSns2.uhost.co.kr ⚠️ Not in zone NS records
MXspamfilter2.speedhosting.co.kr ⭐
MXmail.fire21.com(10)
TXTv=spf1 ip4:111.92.189.150 ip4:118.129.167.150 ~all

MX for

fire21.com

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DNS History

3 records (2 active, 1 former)

202120222023202420252026NSns1.uhost.co.krns2.uhost.co.krA111.92.189.150
●NSns1.uhost.co.kr2020-02-13 → 2026-03-25 · 2 obs
● 2020-02-13 21:47:16
● 2026-03-25 16:05:58
●NSns2.uhost.co.kr2020-02-13 → 2026-03-25 · 2 obs
● 2020-02-13 21:47:16
● 2026-03-25 16:05:58
○A111.92.189.1502020-02-13 → 2026-03-23 · 4 obs
● 2020-02-13 21:47:16
● 2026-03-23 06:43:04
○ 2026-03-25 13:07:14
○ 2026-03-25 16:05:58

🔍 DNS Trace

Analysis

Mail Server Role

mail.fire21.com serves as the mail server for fire21.com.

spamfilter2.speedhosting.co.kr serves as a mail server, commonly paired with mail.fire21.com.

Name Servers

Two name servers ns1.uhost.co.kr and ns2.uhost.co.kr handle delegation for mail.fire21.com.

mail.fire21.com uses the same name server setup as other domains, for example shinwooi.co.kr, nfagro.co.kr, instronkorea.co.kr, doosoun.co.kr and kyunghwaeb.hs.kr.

mail.fire21.com partially shares name servers with other domains; examples include panmuntour.go.kr, dakms.com, dsti.co.kr, cocolink.net and eternalcity2.co.kr.

Host names with one IP number: The host name ns1.uhost.co.kr points to 202.31.187.220 and the host name ns2.uhost.co.kr points to 219.251.156.14.