`workingholiday.com`

DNSSEC	⚠️ Not signed
A	211.236.241.130^{🇰🇷 DEK-AS-KR211.236.241.0/24 SejongTelecom.co.ltd}
		PTR	`mail.workingholiday.com`
NS	`wv-dns1` ⭐
NS	`ns.younit.kr`
		A	211.236.241.152^{🇰🇷 DEK-AS-KR211.236.241.0/24 SejongTelecom.co.ltd}
NS	`ns2.younit.kr`
		A	121.78.49.56^{🇰🇷 KINXIDC-AS-KR121.78.0.0/18 Korea Internet Neutral eXchange}
MX	`imap.workingholiday.com` ⭐
		A	211.236.241.238^{🇰🇷 DEK-AS-KR211.236.241.0/24 SejongTelecom.co.ltd}
			PTR	`mail.eckedu.com`
			PTR	`smtp.skyedaily.com`
			PTR	`imap.workingholiday.com`
			PTR	`webmail.ingcorp.kr`
			PTR	`imap.younit.kr`
TXT	`v=spf1 ip4:211.236.241.238 ip4:211.236.241.130 ip4:222.122.24.166 ip4:58.181....`
SOA	`wv-dns1`admin 2013-10-16 #67

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

WOT: UNKNOWN (65/100)

PTR for

113.66.47.211.in-addr.arpa

Subdomains

mw.workingholiday.com

mail.workingholiday.com

imap.workingholiday.com

Same first word

Similar names

holidayworking.org

holidayworking.com

DNS History

9 records (5 active, 4 former)

○NSns.worksvision.co.kr2015-05-29 → 2017-04-18 · 4 obs

● 2015-05-29 17:05:38
● 2017-04-18 10:52:40
○ 2020-04-08 23:15:14
○ 2026-03-22 14:28:04

○NSns.worksvision.com2015-05-29 → 2017-04-18 · 4 obs

● 2015-05-29 17:05:38
● 2017-04-18 10:52:40
○ 2020-04-08 23:15:14
○ 2026-03-22 14:28:04

●NSns.younit.kr2020-04-08 → 2026-03-22 · 3 obs

○ 2017-04-18 10:52:40
● 2020-04-08 23:15:14
● 2026-03-22 14:28:04

●NSns2.younit.kr2020-04-08 → 2026-03-22 · 3 obs

○ 2017-04-18 10:52:40
● 2020-04-08 23:15:14
● 2026-03-22 14:28:04

●NSwv-dns12015-05-29 → 2026-03-22 · 2 obs

● 2015-05-29 17:05:38
● 2026-03-22 14:28:04

●MXimap.workingholiday.com2026-02-15 → 2026-03-22 · 3 obs

○ 2020-04-08 23:15:14
● 2026-02-15 00:37:38
● 2026-03-22 14:28:04

○MXmail.workingholiday.com2016-03-29 → 2020-04-08 · 5 obs

○ 2015-12-28 06:33:44
● 2016-03-29 10:23:50
● 2020-04-08 23:15:14
○ 2026-02-15 00:37:38
○ 2026-03-22 14:28:04

○MXmw.workingholiday.com2015-05-29 → 2015-12-28 · 4 obs

● 2015-05-29 17:05:38
● 2015-12-28 06:33:44
○ 2016-03-29 10:23:50
○ 2026-03-22 14:28:04

●A211.236.241.1302015-05-29 → 2026-03-22 · 2 obs

● 2015-05-29 17:05:38
● 2026-03-22 14:28:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
workingholiday.com	ns.younit.kr, ns2.younit.kr	-

✅ Authoritative Response

Server: 121.78.49.56

NS records: ns.younit.kr, ns2.younit.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workingholiday.com (unsigned zone)

⏱️ Timing

Total: 1340ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.236.241.130`
NS	2	`ns.younit.kr, ns2.younit.kr`
MX	1	`imap.workingholiday.com (pri: 10)`
TXT	1	`v=spf1 ip4:211.236.241.238 ip4:211.236.2`
SOA	1	`wv-dns1 admin`

Analysis

Hierarchy

workingholiday.com is the parent of mw.workingholiday.com, mail.workingholiday.com and imap.workingholiday.com.

IP Addresses

workingholiday.com resolves to one IP number: 211.236.241.130.

Other host names, for instance mail.workingholiday.com, www.workingholiday.or.kr and workingholiday.or.kr share IP numbers with workingholiday.com.

Name Servers

workingholiday.com is delegated to three name servers wv-dns1, ns2.younit.kr and ns.younit.kr.

workingholiday.com at least partially shares name servers with other domains, for instance mokjo.com, edujrc.com, guswc.org, booksjrc.com and everydaycn.com.

These name servers are commonly used alongside ns.skyedaily.com and ns.jrchina.com.

Host names with one IP number:

ns2.younit.kr points to 121.78.49.56

ns.younit.kr points to 211.236.241.152

Mail Servers

workingholiday.com is handled by a single mail server, imap.workingholiday.com.

imap.workingholiday.com resolves to IP 211.236.241.238.

workingholiday.com - robtex.com