ptcotrans.com - dns.ninja

`ptcotrans.com`

DNSSEC	⚠️ Not signed
NS	`sti-ad01.samtan.co.kr` ⭐
		A	10.10.10.3
NS	`ns.ptcotrans.com` ⚠️ Not in zone NS records
NS	`ns2.kornet.net` ⚠️ Not in zone NS records
		A	211.216.50.160^{🇰🇷 KT-NET211.216.0.0/13 KORnet Powered BY Korea Telecom}
			PTR	`ns2.kornet.net`
SOA	`sti-ad01.samtan.co.kr`hostmaster@samtan.co.kr serial=45

`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=1785529077

Same first word

ptcotrans.com

Similar names

artpostnc.com

ponttrsac.hopto.org

stantcorp.com

stantcorp.co

nattscorp.com

portstanc.ru

tancsport.ru

DNS History

10 records (3 active, 7 former)

●NSns.ptcotrans.com2026-03-01 → 2026-07-31 · 3 obs

○ 2019-01-11 08:16:28
● 2026-03-01 22:22:14
● 2026-07-31 20:26:46

●NSns2.kornet.net2026-03-01 → 2026-07-31 · 3 obs

○ 2019-01-11 08:16:28
● 2026-03-01 22:22:14
● 2026-07-31 20:26:46

○NSsamtan-dlp.samtan.co.kr2015-07-13 → 2019-01-11 · 4 obs

● 2015-07-13 11:25:16
● 2019-01-11 08:16:28
○ 2026-03-01 22:22:14
○ 2026-07-31 20:26:46

●NSsti-ad01.samtan.co.kr2026-03-28 → 2026-07-31 · 3 obs

○ 2026-03-01 22:22:14
● 2026-03-28 15:04:08
● 2026-07-31 20:26:46

○NSsti-ad02.samtan.co.kr2026-03-28 → 2026-07-24 · 6 obs

○ 2026-03-01 22:22:14
● 2026-03-28 15:04:08
○ 2026-05-17 07:31:20
● 2026-07-24 08:26:44
○ 2026-07-31 20:26:42
○ 2026-07-31 20:26:46

○MXmail.ptcotrans.com2015-11-18 → 2019-01-11 · 5 obs

○ 2015-07-13 11:25:16
● 2015-11-18 10:32:56
● 2019-01-11 08:16:28
○ 2026-03-01 22:22:14
○ 2026-07-31 20:26:46

○MXmail2.ptcotrans.com2015-11-18 → 2019-01-11 · 5 obs

○ 2015-07-13 11:25:16
● 2015-11-18 10:32:56
● 2019-01-11 08:16:28
○ 2026-03-01 22:22:14
○ 2026-07-31 20:26:46

○MXmail3.ptcotrans.com2015-11-18 → 2019-01-11 · 5 obs

○ 2015-07-13 11:25:16
● 2015-11-18 10:32:56
● 2019-01-11 08:16:28
○ 2026-03-01 22:22:14
○ 2026-07-31 20:26:46

○MXptcotrans-com.mail.protection.outlook.com2026-07-14 → 2026-07-14 · 4 obs

○ 2026-03-01 22:22:14
● 2026-07-14 21:28:50
○ 2026-07-31 20:26:42
○ 2026-07-31 20:26:46

○MXspam.ptcotrans.com2015-07-13 → 2015-07-13 · 3 obs

● 2015-07-13 11:25:16
○ 2015-11-18 10:32:56
○ 2026-07-31 20:26:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ptcotrans.com	ns2.kornet.net, ns.ptcotrans.com	1 record

✅ Authoritative Response

Server:211.216.50.160

NS records: ns2.kornet.net, ns.ptcotrans.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptcotrans.com (unsigned zone)

⏱️ Timing

Total: 887ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns.ptcotrans.com)

Analysis

Name Servers

Three name servers are authoritative for ptcotrans.com: ns.ptcotrans.com, ns2.kornet.net and sti-ad01.samtan.co.kr.

ptcotrans.com has at least partial name server overlap with other domains, such as tta.or.kr, mobis-as.com, ruvie.co.kr and two others.

ns.kornet.net, sti-ad02.samtan.co.kr and ns2.bccard.co.kr — plus 7 other name servers — are commonly paired with these name servers.

ns2.kornet.net directs to 211.216.50.160 and sti-ad01.samtan.co.kr directs to 10.10.10.3; each host name points to exactly one IP number.