`seoulpass.kr`

DNSSEC	⚠️ Not signed
A	2406:da12:64f:1b00:2ee8:7f:3b09:62e5^{🇰🇷 Amazon2406:da12:400::/38 AMAZON AWS}
A	2406:da12:64f:1b01:47a9:9956:ce47:d478^{🇰🇷 Amazon2406:da12:400::/38 AMAZON AWS}
A	43.202.183.52^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
A	43.203.62.251^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
NS	`ns-545.awsdns-04.net` ⭐
		A	2600:9000:5302:2100::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-545.awsdns-04.net`
		A	205.251.194.33^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-545.awsdns-04.net`
NS	`ns-1037.awsdns-01.org`
		A	2600:9000:5304:d00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1037.awsdns-01.org`
		A	205.251.196.13^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1037.awsdns-01.org`
NS	`ns-1942.awsdns-50.co.uk`
		A	2600:9000:5307:9600::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1942.awsdns-50.co.uk`
		A	205.251.199.150^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1942.awsdns-50.co.uk`
NS	`ns-405.awsdns-50.com`
		A	2600:9000:5301:9500::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-405.awsdns-50.com`
		A	205.251.193.149^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-405.awsdns-50.com`
MX	`kr1-aspmx1.worksmobile.com` ⭐
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
MX	`kr1-aspmx2.worksmobile.com`⁽²⁰⁾
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
TXT	`google-site-verification=RMaCO-GvCoHe27jnl2Fitg6eWtLjasm4W5pJSJ0Dj9A`
TXT	`v=spf1 include:spf.worksmobile.com include:amazonses.com ~all`
SOA	`ns-545.awsdns-04.net`awsdns-hostmaster@amazon.com serial=1

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2604140825

Subdomains

www.seoulpass.kr

Same first word

seoulpass.kr

Similar names

salesopus.com

DNS History

24 records (10 active, 14 former)

●NSns-1037.awsdns-01.org2026-02-17 → 2026-04-14 · 2 obs

● 2026-02-17 10:38:26
● 2026-04-14 08:16:32

●NSns-1942.awsdns-50.co.uk2026-02-17 → 2026-04-14 · 2 obs

● 2026-02-17 10:38:26
● 2026-04-14 08:16:32

●NSns-405.awsdns-50.com2026-02-17 → 2026-04-14 · 2 obs

● 2026-02-17 10:38:26
● 2026-04-14 08:16:32

●NSns-545.awsdns-04.net2026-02-17 → 2026-04-14 · 2 obs

● 2026-02-17 10:38:26
● 2026-04-14 08:16:32

●MXkr1-aspmx1.worksmobile.com2026-02-17 → 2026-04-14 · 2 obs

● 2026-02-17 10:38:26
● 2026-04-14 08:16:32

●MXkr1-aspmx2.worksmobile.com2026-02-17 → 2026-04-14 · 2 obs

● 2026-02-17 10:38:26
● 2026-04-14 08:16:32

○A15.164.27.1142026-02-19 → 2026-02-24 · 5 obs

○ 2026-02-19 01:20:48
● 2026-02-19 15:39:02
● 2026-02-24 17:29:22
○ 2026-03-20 18:31:06
○ 2026-04-14 08:16:32

●A2406:da12:64f:1b00:2ee8:7f:3b09:62e52026-04-14 → 2026-04-14 · 3 obs

○ 2026-03-29 23:06:32
● 2026-04-14 08:16:30
● 2026-04-14 08:16:32

○A2406:da12:64f:1b00:6d47:5ed3:13a7:b4a02026-03-20 → 2026-03-20 · 5 obs

○ 2026-02-24 17:29:22
● 2026-03-20 18:31:06
● 2026-03-20 19:39:04
○ 2026-03-29 23:06:32
○ 2026-04-14 08:16:32

○A2406:da12:64f:1b00:ebdd:b99f:6f5b:ec6b2026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-20 19:39:04
● 2026-03-29 23:06:32
○ 2026-04-14 08:16:30
○ 2026-04-14 08:16:32

○A2406:da12:64f:1b00:f3e0:c389:6141:19d92026-02-17 → 2026-02-24 · 4 obs

● 2026-02-17 10:38:26
● 2026-02-24 17:29:22
○ 2026-03-20 18:31:06
○ 2026-04-14 08:16:32

○A2406:da12:64f:1b01:1ba8:a4ec:40d4:c2012026-02-17 → 2026-02-19 · 4 obs

● 2026-02-17 10:38:26
● 2026-02-19 01:20:48
○ 2026-02-19 15:39:02
○ 2026-04-14 08:16:32

●A2406:da12:64f:1b01:47a9:9956:ce47:d4782026-04-14 → 2026-04-14 · 3 obs

○ 2026-03-29 23:06:32
● 2026-04-14 08:16:30
● 2026-04-14 08:16:32

○A2406:da12:64f:1b01:7fc4:2aa0:8187:c18b2026-03-20 → 2026-03-20 · 5 obs

○ 2026-02-24 17:29:22
● 2026-03-20 18:31:06
● 2026-03-20 19:39:04
○ 2026-03-29 23:06:32
○ 2026-04-14 08:16:32

○A2406:da12:64f:1b01:878e:89d1:209:f2972026-02-19 → 2026-02-24 · 5 obs

○ 2026-02-19 01:20:48
● 2026-02-19 15:39:02
● 2026-02-24 17:29:22
○ 2026-03-20 18:31:06
○ 2026-04-14 08:16:32

○A2406:da12:64f:1b01:fe08:7791:2f48:e5432026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-20 19:39:04
● 2026-03-29 23:06:32
○ 2026-04-14 08:16:30
○ 2026-04-14 08:16:32

○A3.37.154.302026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-20 19:39:04
● 2026-03-29 23:06:32
○ 2026-04-14 08:16:30
○ 2026-04-14 08:16:32

○A3.38.241.622026-03-20 → 2026-03-20 · 5 obs

○ 2026-02-24 17:29:22
● 2026-03-20 18:31:06
● 2026-03-20 19:39:04
○ 2026-03-29 23:06:32
○ 2026-04-14 08:16:32

●A43.202.183.522026-04-14 → 2026-04-14 · 3 obs

○ 2026-03-29 23:06:32
● 2026-04-14 08:16:30
● 2026-04-14 08:16:32

●A43.203.62.2512026-04-14 → 2026-04-14 · 3 obs

○ 2026-03-29 23:06:32
● 2026-04-14 08:16:30
● 2026-04-14 08:16:32

○A43.203.70.432026-02-17 → 2026-02-19 · 4 obs

● 2026-02-17 10:38:26
● 2026-02-19 01:20:48
○ 2026-02-19 15:39:02
○ 2026-04-14 08:16:32

○A52.78.132.392026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-20 19:39:04
● 2026-03-29 23:06:32
○ 2026-04-14 08:16:30
○ 2026-04-14 08:16:32

○A52.78.29.1062026-02-17 → 2026-02-24 · 4 obs

● 2026-02-17 10:38:26
● 2026-02-24 17:29:22
○ 2026-03-20 18:31:06
○ 2026-04-14 08:16:32

○A52.79.190.1422026-03-20 → 2026-03-20 · 5 obs

○ 2026-02-24 17:29:22
● 2026-03-20 18:31:06
● 2026-03-20 19:39:04
○ 2026-03-29 23:06:32
○ 2026-04-14 08:16:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, g.dns.kr, b.dns.kr, f.dns.kr...	-
seoulpass.kr	ns-1037.awsdns-01.org, ns-405.awsdns-50.com, ns-545.awsdns-04.net, ns-1942.awsdns-50.co.uk	-

✅ Authoritative Response

Server:205.251.199.150

NS records: ns-1037.awsdns-01.org, ns-405.awsdns-50.com, ns-545.awsdns-04.net, ns-1942.awsdns-50.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for seoulpass.kr (unsigned zone)

⏱️ Timing

Total: 1044ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`43.202.183.52, 43.203.62.251`
AAAA	2	`2406:da12:64f:1b01:47a9:9956:ce47:d478, 2406:da12:64f:1b00:2ee8:7f:3b09:62e5`
NS	4	`ns-1037.awsdns-01.org, ns-1942.awsdns-50.co.uk...`
MX	2	`kr1-aspmx1.worksmobile.com (pri: 10), kr1-aspmx2.worksmobile.com (pri: 20)`
TXT	2	`google-site-verification=RMaCO-GvCoHe27j, v=spf1 include:spf.worksmobile.com inclu`
SOA	1	`ns-545.awsdns-04.net awsdns-hostmaster.a`

Analysis

Hierarchy

The parent of www.seoulpass.kr is seoulpass.kr.

IP Addresses

seoulpass.kr maps to four IP numbers: 2406:da12:64f:1b00:2ee8:7f:3b09:62e5, 2406:da12:64f:1b01:47a9:9956:ce47:d478, 43.202.183.52 and 43.203.62.251.

Name Servers

seoulpass.kr's delegation is handled by four name servers: ns-405.awsdns-50.com, ns-545.awsdns-04.net, ns-1037.awsdns-01.org and ns-1942.awsdns-50.co.uk.

seoulpass.kr partially shares name servers with other domains; examples include backofficeapp.io, andaragencia.org, caremin.com, gateway.co.zw and mayolemili.net.

Host names with two IPs:

ns-405.awsdns-50.com points to 2600:9000:5301:9500::1 and 205.251.193.149

ns-545.awsdns-04.net points to 2600:9000:5302:2100::1 and 205.251.194.33

ns-1037.awsdns-01.org points to 2600:9000:5304:d00::1 and 205.251.196.13

ns-1942.awsdns-50.co.uk points to 2600:9000:5307:9600::1 and 205.251.199.150

Mail Servers

seoulpass.kr is handled by two mail servers: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

seoulpass.kr has the same mail server setup as other domains, including spinc.co.kr, grusys.com, jmbc.co.kr, klpna.or.kr and urisuwon.com.

seoulpass.kr shares some mail servers with other domains, at least partially, such as humeal.com, figurepresso.com, mbcmovie.co.kr, seriwith.com and hojufirst.com.

Host names with one IP number

Host name kr1-aspmx1.worksmobile.com points to 125.209.209.251

Host name kr1-aspmx2.worksmobile.com points to 125.209.209.251

Host names that point to 125.209.209.251: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com

seoulpass.kr - robtex.com

seoulpass.kr

kr

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`seoulpass.kr`

`kr`