`sesisoft.com`

DNSSEC	⚠️ Not signed
A	58.229.188.109^{🇰🇷 SKB-NET58.224.0.0/13 SKB summary}
NS	`no1.noblesystem.com` ⭐
		A	218.234.23.2^{🇰🇷 SKB-NET218.234.0.0/15 SK Broadband}
			PTR	`no1.noblesystem.com`
NS	`no2.noblesystem.com`
		A	222.234.222.249^{🇰🇷 SKB-NET222.232.0.0/13 SK Broadband}
MX	`smtp.sesisoft.com` ⭐
		A	211.234.105.40^{🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary}
			PTR	`smtp.zioyou.com`
MX	`mail.sesisoft.com`⁽¹⁰⁾
		A	121.254.193.211^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
			PTR	`mail2.zioyou.com`
TXT	`v=spf1 include:_spf.google.com ip4:58.229.188.109 ip4:121.254.193.0/24 ip4:21...`
TXT	`MS=3C1A5A2D03F579AA7F29D054051D6F5B510CE939`
TXT	`f8v6fwq0h891w46zlnb7604r6t11dn1m`
TXT	`google-site-verification=VBzBFJd1wRMFFAmvf5dWF60-mCRgk0MLdvUFF9yNhYo`
SOA	`no1.noblesystem.com`root@no1.noblesystem.com serial=2014114957

`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

Up

mail.sesisoft.com

smtp.sesisoft.com

Same first word

sesisoft.com

DNS History

8 records (5 active, 3 former)

●NSno1.noblesystem.com2015-05-28 → 2026-02-25 · 2 obs

● 2015-05-28 15:04:20
● 2026-02-25 21:41:56

●NSno2.noblesystem.com2016-12-03 → 2026-02-25 · 3 obs

○ 2015-05-28 15:04:20
● 2016-12-03 23:14:52
● 2026-02-25 21:41:56

●MXmail.sesisoft.com2015-05-28 → 2026-02-25 · 2 obs

● 2015-05-28 15:04:20
● 2026-02-25 21:41:56

●MXsmtp.sesisoft.com2026-02-18 → 2026-02-25 · 3 obs

○ 2015-05-28 15:04:20
● 2026-02-18 15:44:38
● 2026-02-25 21:41:56

○A183.111.141.1192015-05-28 → 2015-11-02 · 4 obs

● 2015-05-28 15:04:20
● 2015-11-02 19:02:16
○ 2016-01-23 22:45:16
○ 2026-02-25 21:41:56

●A58.229.188.1092026-02-18 → 2026-02-25 · 3 obs

○ 2018-01-26 01:29:28
● 2026-02-18 15:44:38
● 2026-02-25 21:41:56

○A58.229.202.322016-04-13 → 2018-01-26 · 5 obs

○ 2016-01-23 22:45:16
● 2016-04-13 13:11:26
● 2018-01-26 01:29:28
○ 2026-02-18 15:44:38
○ 2026-02-25 21:41:56

○A59.10.90.1402016-01-23 → 2016-01-23 · 4 obs

○ 2015-11-02 19:02:16
● 2016-01-23 22:45:16
○ 2016-04-13 13:11:26
○ 2026-02-25 21:41:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sesisoft.com	no1.noblesystem.com, no2.noblesystem.com	2 records

✅ Authoritative Response

Server: 218.234.23.2

NS records: no1.noblesystem.com, no2.noblesystem.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sesisoft.com (unsigned zone)

⏱️ Timing

Total: 1072ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`58.229.188.109`
NS	2	`no2.noblesystem.com, no1.noblesystem.com`
MX	2	`smtp.sesisoft.com (pri: 5), mail.sesisoft.com (pri: 10)`
TXT	4	`v=spf1 include:_spf.google.com ip4:58.22, f8v6fwq0h891w46zlnb7604r6t11dn1m...`
SOA	1	`no1.noblesystem.com root.no1.noblesystem`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (no1.noblesystem.com, no2.noblesystem.com)

AI analysis

sesisoft.com is a parent of mail.sesisoft.com and smtp.sesisoft.com.

sesisoft.com points to a single IP address: 58.229.188.109.

Two name servers no1.noblesystem.com and no2.noblesystem.com handle the delegation for sesisoft.com.

sesisoft.com shares the same name server setup as other domains, for example mixmaster.co.kr, ifoodedu.or.kr, talkstar.co.kr, good24.co.kr and ksctt.or.kr.

sesisoft.com at least partially shares name servers with other domains, for example isgec.or.kr, easycerti.biz, hwangso24.com, carensian.co.kr and bobtv.co.kr.

these name servers commonly pair with ns.no1.noblesystem.com, ns1.agabang.com, ns2.agabang.com and ns.funix.net.

Host names with one IP number:

no1.noblesystem.com points to 218.234.23.2; no2.noblesystem.com points to 222.234.222.249.

Two mail servers handle sesisoft.com: mail.sesisoft.com and smtp.sesisoft.com.