`mail.biztechone.com`

DNSSEC	⚠️ Not signed
A	223.130.85.51^{🇰🇷 DIRECT-AS-KR223.130.85.0/24}
		PTR	`sp-di-mh01.direct.co.kr`

`biztechone.com`

	DNSSEC	⚠️ Not signed
	A	122.42.63.13^{🇰🇷 POWERVIS-AS-KR122.40.0.0/13 Proxy-Registered Route Object by DACOM(AS3786)}
	NS	`ns3.sdsns.com` ⭐ ⚠️ Not in zone NS records
	NS	`ns4.sdsns.com` ⚠️ Not in zone NS records
	MX	`mail.biztechone.com` ⭐
	TXT	`v=spf1 include:_spf1.mailnara.co.kr include:_spf2.mailnara.co.kr include:_spf...`
	SOA	`ns3.sdsns.com`mrmsm@sds.co.kr serial=1912131329

MX for

biztechone.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A223.130.85.512026-03-05 → 2026-05-11 · 2 obs

● 2026-03-05 00:26:36
● 2026-05-11 02:48:50

🔍 DNS Trace

Analysis

Mail Server Role

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

IP Addresses

mail.biztechone.com points to IP number 223.130.85.51.

For instance, other host names mail.etotal21.com, mail.icplaza.com, mail.kmece.co.kr, mail.kinics.com and mail.saerommedia.com share IP numbers with mail.biztechone.com.

mail.biztechone.com - robtex.com