`mail.yndsci.com`

DNSSEC	⚠️ Not signed
A	222.239.75.205^{🇰🇷 SKB-NET222.232.0.0/13 SK Broadband}
		PTR	`gw.solutionrental.com`
		PTR	`mail.solutionrental.com`
		PTR	`gw.yi-wiseclub.com`
		PTR	`mail.yi-wiseclub.com`
		PTR	`gw.ynbsci.com`
		PTR	`mail.ynbsci.com`
		PTR	`gw.yndsci.com`
		PTR	`mail.yndsci.com`
		PTR	`gw.yngsci.com`
		PTR	`mail.yngsci.com`
		PTR	`gw.ynksci.com`
		PTR	`mail.ynksci.com`
		PTR	`gw.ynusci.com`
		PTR	`mail.ynusci.com`
		PTR	`gw.ynysci.com`
		PTR	`mail.ynysci.com`
		PTR	`gw.youngin.com`
		PTR	`mail.youngin.com`
		PTR	`gw.younginace.com`
		PTR	`mail.younginace.com`
		PTR	`gw.younginat.com`
		PTR	`mail.younginat.com`
		PTR	`gw.younginbiogen.com`
		PTR	`mail.younginbiogen.com`
		PTR	`gw.youngincm.com`
		PTR	`mail.youngincm.com`
		PTR	`gw.younginct.com`
		PTR	`mail.younginct.com`
		PTR	`gw.younginlp.com`
		PTR	`mail.younginlp.com`
		PTR	`gw.younginmo.com`
		PTR	`mail.younginmo.com`
		PTR	`gw.younginmt.com`
		PTR	`mail.younginmt.com`
		PTR	`gw.younginsn.com`
		PTR	`mail.younginsn.com`
		PTR	`gw.younginst.com`
		PTR	`mail.younginst.com`
		PTR	`gw.younglin.com`
		PTR	`mail.younglin.com`
		PTR	`gw.youngwha.com`
		PTR	`mail.youngwha.com`

`yndsci.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1.hhosting.co.kr` ⭐
	NS	`ns2.hhosting.co.kr`
	MX	`brmail.yndsci.com` ⭐
	MX	`mail.yndsci.com`⁽²⁰⁾
	TXT	`v=spf1 ip4:222.239.75.197 ip4:222.239.75.205 ip4:222.239.75.193 ip4:222.234.0...`
	SOA	`ns1.hhosting.co.kr`domain@hhosting.co.kr 2015-06-22 #0

PTR for

205.75.239.222.in-addr.arpa

MX for

yndsci.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A222.239.75.1972015-05-30 → 2016-04-17 · 4 obs

● 2015-05-30 04:12:44
● 2016-04-17 15:47:22
○ 2026-02-15 10:38:56
○ 2026-03-27 00:32:14

●A222.239.75.2052026-02-15 → 2026-03-27 · 3 obs

○ 2016-04-17 15:47:22
● 2026-02-15 10:38:56
● 2026-03-27 00:32:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
yndsci.com	ns1.hhosting.co.kr, ns2.hhosting.co.kr	-

✅ Authoritative Response

Server:218.237.66.140

NS records: ns1.hhosting.co.kr, ns2.hhosting.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yndsci.com (unsigned zone)

⏱️ Timing

Total: 1312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`222.239.75.205`

Analysis

Mail Server Role

mail.yndsci.com acts as a mail server for yndsci.com.

brmail.yndsci.com is commonly used as a mail server in conjunction with mail.yndsci.com.

IP Addresses

mail.yndsci.com points to a single IP number: 222.239.75.205.

Other host names, for instance mail.younginst.com, mail.younginmt.com, mail.younginbiogen.com, gw.youngincm.com and gw.ynusci.com share IP numbers with mail.yndsci.com.

mail.yndsci.com - robtex.com

mail.yndsci.com

yndsci.com