`mail.se2u.com`

DNSSEC	⚠️ Not signed
A	223.130.85.61^{🇰🇷 DIRECT-AS-KR223.130.85.0/24}
		PTR	`sp-mu-mh01.mailnara.co.kr`

`se2u.com`

	DNSSEC	⚠️ Not signed
	A	13.33.109.26^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
	A	13.33.109.28^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
	A	13.33.109.80^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
	A	13.33.109.106^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
	NS	`cns1.hostcocoa.com` ⭐
	NS	`cns2.hostcocoa.com`
	NS	`cns3.hostcocoa.com`
	NS	`cns4.hostcocoa.com`
	MX	`mail.se2u.com` ⭐
	TXT	`v=spf1 redirect=_spf.mailnara.co.kr`
	SOA	`cns1.hostcocoa.com`awsdns-hostmaster@amazon.com serial=1

MX for

se2u.com

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DNS History

3 records (1 active, 2 former)

●A223.130.85.612026-03-07 → 2026-04-24 · 3 obs

○ 2016-04-14 13:59:58
● 2026-03-07 06:19:38
● 2026-04-24 18:57:56

○A61.109.252.1542016-04-14 → 2016-04-14 · 4 obs

○ 2015-12-22 02:56:08
● 2016-04-14 13:59:58
○ 2026-03-07 06:19:38
○ 2026-04-24 18:57:56

○A61.109.252.282015-08-21 → 2015-12-22 · 4 obs

● 2015-08-21 18:57:04
● 2015-12-22 02:56:08
○ 2016-04-14 13:59:58
○ 2026-04-24 18:57:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
se2u.com	cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com	4 records

✅ Authoritative Response

Server:205.251.196.138

NS records: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for se2u.com (unsigned zone)

⏱️ Timing

Total: 590ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`223.130.85.61`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com...)

Analysis

Mail Server Role

mail.se2u.com serves as the mail server for se2u.com.

IP Addresses

mail.se2u.com points to an IP address: 223.130.85.61.

other host names include mail.tmk.kr, mail.irken.co.kr, mail.yericomfg.com, mail.sk2.co.kr and mail.jalman.com; they share IP numbers with mail.se2u.com.

mail.se2u.com - robtex.com

mail.se2u.com

se2u.com