`koreastemcell.com`

DNSSEC	⚠️ Not signed
A	2607:f8b0:4004:c23::79^{🇺🇸 Google2607:f8b0:4004::/48}
		PTR	`yuiadrs-in-f121.1e100.net`
A	172.253.62.121^{🇺🇸 Google172.253.62.0/24}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:165d:d9b5:87c0:94e0^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7107:667d:570b:171e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:36f4:3cd1:55dc:15^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.208.27.76^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-208-27-76.compute-1.amazonaws.com`
		A	13.222.185.86^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-222-185-86.compute-1.amazonaws.com`
NS	`ns2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1dc6:2e82:f754:42f2^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5fd0:44f5:517a:9aeb^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.89.122.29^{🇺🇸 Amazon54.89.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-89-122-29.compute-1.amazonaws.com`
		A	54.210.156.168^{🇺🇸 Amazon54.210.0.0/16 EC2 IAD VPC Address Range}
			PTR	`ec2-54-210-156-168.compute-1.amazonaws.com`
		A	100.30.180.112^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-30-180-112.compute-1.amazonaws.com`
MX	`mail1.namebrightmail.com` ⭐
		A	66.35.35.26^{🇺🇸 IMDC66.35.35.0/24}
			PTR	`mail1.namebrightmail.com`
MX	`mail2.namebrightmail.com` ⭐
		A	66.35.35.28^{🇺🇸 IMDC66.35.35.0/24}
			PTR	`mail2.namebrightmail.com`
TXT	`google-site-verification=YourUniqueGoogleVerificationCode`
TXT	`v=spf1 a:smtpout1.namebrightmail.com a:smtpout2.namebrightmail.com include:na...`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-03-23 #1

`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

Same first word

koreastemcell.com

DNS History

29 records (6 active, 23 former)

●NSns1.namebrightdns.com2026-02-19 → 2026-03-23 · 2 obs

● 2026-02-19 19:52:12
● 2026-03-23 08:26:24

●NSns2.namebrightdns.com2026-02-19 → 2026-03-23 · 2 obs

● 2026-02-19 19:52:12
● 2026-03-23 08:26:24

●MXmail1.namebrightmail.com2026-02-19 → 2026-03-23 · 2 obs

● 2026-02-19 19:52:12
● 2026-03-23 08:26:24

●MXmail2.namebrightmail.com2026-02-19 → 2026-03-23 · 2 obs

● 2026-02-19 19:52:12
● 2026-03-23 08:26:24

○A142.250.31.1212026-03-03 → 2026-03-22 · 10 obs

○ 2026-03-03 06:54:56
● 2026-03-03 11:22:48
○ 2026-03-04 12:45:12
○ 2026-03-05 04:56:44
● 2026-03-07 06:29:54
○ 2026-03-16 04:42:32
○ 2026-03-22 12:52:30
● 2026-03-22 13:37:44
○ 2026-03-22 19:15:42
○ 2026-03-23 08:26:24

○A142.251.111.1212026-03-16 → 2026-03-20 · 8 obs

○ 2026-03-07 06:29:54
● 2026-03-16 04:42:32
○ 2026-03-16 18:32:28
○ 2026-03-20 05:57:46
● 2026-03-20 09:17:06
● 2026-03-20 10:46:08
○ 2026-03-22 12:04:44
○ 2026-03-23 08:26:24

○A142.251.16.1212026-02-26 → 2026-03-23 · 6 obs

○ 2026-02-19 19:52:12
● 2026-02-26 18:15:00
○ 2026-02-28 17:42:08
○ 2026-03-22 19:15:42
● 2026-03-23 02:24:32
○ 2026-03-23 08:26:24

○A142.251.163.1212026-03-16 → 2026-03-20 · 7 obs

○ 2026-03-16 04:42:32
● 2026-03-16 18:32:28
○ 2026-03-16 19:39:10
○ 2026-03-17 03:14:56
● 2026-03-20 05:57:46
○ 2026-03-20 09:17:06
○ 2026-03-23 08:26:24

○A142.251.167.1212026-03-05 → 2026-03-22 · 7 obs

○ 2026-03-04 14:21:24
● 2026-03-05 04:56:44
○ 2026-03-07 06:29:54
○ 2026-03-20 10:46:08
● 2026-03-22 12:04:44
○ 2026-03-22 12:52:30
○ 2026-03-23 08:26:24

○A142.251.179.1212026-03-01 → 2026-03-01 · 4 obs

○ 2026-02-28 17:42:08
● 2026-03-01 03:27:18
○ 2026-03-03 06:54:56
○ 2026-03-23 08:26:24

○A172.253.115.1212026-02-19 → 2026-03-22 · 12 obs

○ 2017-01-27 09:21:00
● 2026-02-19 19:52:12
○ 2026-02-26 18:15:00
○ 2026-03-01 03:27:18
● 2026-03-03 06:54:56
○ 2026-03-03 11:22:48
● 2026-03-04 12:45:12
○ 2026-03-04 14:21:24
○ 2026-03-22 12:04:44
● 2026-03-22 12:52:30
○ 2026-03-22 13:37:44
○ 2026-03-23 08:26:24

○A172.253.122.1212026-02-28 → 2026-03-16 · 7 obs

○ 2026-02-26 18:15:00
● 2026-02-28 17:42:08
○ 2026-03-01 03:27:18
○ 2026-03-16 18:32:28
● 2026-03-16 19:39:10
○ 2026-03-17 03:14:56
○ 2026-03-23 08:26:24

●A172.253.62.1212026-03-23 → 2026-03-23 · 2 obs

○ 2026-03-23 02:24:32
● 2026-03-23 08:26:24

○A192.178.155.1212026-03-04 → 2026-03-22 · 7 obs

○ 2026-03-04 12:45:12
● 2026-03-04 14:21:24
○ 2026-03-05 04:56:44
○ 2026-03-22 13:37:44
● 2026-03-22 19:15:42
○ 2026-03-23 02:24:32
○ 2026-03-23 08:26:24

○A207.148.248.1432015-10-24 → 2017-01-27 · 5 obs

○ 2015-06-01 07:54:56
● 2015-10-24 03:39:40
● 2017-01-27 09:21:00
○ 2026-02-19 19:52:12
○ 2026-03-23 08:26:24

○A2607:f8b0:4004:c06::792026-03-01 → 2026-03-16 · 9 obs

○ 2026-02-28 17:42:08
● 2026-03-01 03:27:18
○ 2026-03-03 06:54:56
● 2026-03-03 11:22:48
○ 2026-03-04 12:45:12
○ 2026-03-16 18:32:28
● 2026-03-16 19:39:10
○ 2026-03-17 03:14:56
○ 2026-03-23 08:26:24

○A2607:f8b0:4004:c07::792026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-19 19:52:12
● 2026-02-26 18:15:00
○ 2026-02-28 17:42:08
○ 2026-03-23 08:26:24

○A2607:f8b0:4004:c08::792026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-26 18:15:00
● 2026-02-28 17:42:08
○ 2026-03-01 03:27:18
○ 2026-03-23 08:26:24

○A2607:f8b0:4004:c09::792026-03-03 → 2026-03-04 · 6 obs

○ 2026-03-01 03:27:18
● 2026-03-03 06:54:56
○ 2026-03-03 11:22:48
● 2026-03-04 12:45:12
○ 2026-03-04 14:21:24
○ 2026-03-23 08:26:24

○A2607:f8b0:4004:c0b::792026-03-07 → 2026-03-20 · 7 obs

○ 2026-03-05 04:56:44
● 2026-03-07 06:29:54
○ 2026-03-16 04:42:32
○ 2026-03-20 09:17:06
● 2026-03-20 10:46:08
○ 2026-03-22 12:04:44
○ 2026-03-23 08:26:24

○A2607:f8b0:4004:c17::792026-03-16 → 2026-03-22 · 7 obs

○ 2026-03-16 04:42:32
● 2026-03-16 18:32:28
○ 2026-03-16 19:39:10
○ 2026-03-20 10:46:08
● 2026-03-22 12:04:44
○ 2026-03-22 12:52:30
○ 2026-03-23 08:26:24

○A2607:f8b0:4004:c19::792026-03-16 → 2026-03-20 · 7 obs

○ 2026-03-07 06:29:54
● 2026-03-16 04:42:32
○ 2026-03-16 18:32:28
○ 2026-03-17 03:14:56
● 2026-03-20 05:57:46
○ 2026-03-20 09:17:06
○ 2026-03-23 08:26:24

○A2607:f8b0:4004:c1b::792026-03-17 → 2026-03-22 · 9 obs

○ 2026-03-16 19:39:10
● 2026-03-17 03:14:56
○ 2026-03-20 05:57:46
○ 2026-03-22 12:04:44
● 2026-03-22 12:52:30
○ 2026-03-22 13:37:44
● 2026-03-22 19:15:42
○ 2026-03-23 02:24:32
○ 2026-03-23 08:26:24

○A2607:f8b0:4004:c1d::792026-03-20 → 2026-03-23 · 8 obs

○ 2026-03-20 05:57:46
● 2026-03-20 09:17:06
○ 2026-03-20 10:46:08
○ 2026-03-22 12:52:30
● 2026-03-22 13:37:44
○ 2026-03-22 19:15:42
● 2026-03-23 02:24:32
○ 2026-03-23 08:26:24

○A2607:f8b0:4004:c21::792026-03-04 → 2026-03-05 · 5 obs

○ 2026-03-04 12:45:12
● 2026-03-04 14:21:24
● 2026-03-05 04:56:44
○ 2026-03-07 06:29:54
○ 2026-03-23 08:26:24

●A2607:f8b0:4004:c23::792026-03-23 → 2026-03-23 · 2 obs

○ 2026-03-23 02:24:32
● 2026-03-23 08:26:24

○A2607:f8b0:4004:c25::792026-02-19 → 2026-02-19 · 4 obs

○ 2017-01-27 09:21:00
● 2026-02-19 19:52:12
○ 2026-02-26 18:15:00
○ 2026-03-23 08:26:24

○A64.233.180.1212026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-16 19:39:10
● 2026-03-17 03:14:56
○ 2026-03-20 05:57:46
○ 2026-03-23 08:26:24

○A66.151.181.492015-06-01 → 2015-06-01 · 3 obs

● 2015-06-01 07:54:56
○ 2015-10-24 03:39:40
○ 2026-03-23 08:26:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...	-
koreastemcell.com	ns1.namebrightdns.com, ns2.namebrightdns.com	10 records

✅ Authoritative Response

Server:52.91.47.137

NS records: ns1.namebrightdns.com, ns2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koreastemcell.com (unsigned zone)

⏱️ Timing

Total: 342ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.253.63.121`
AAAA	1	`2607:f8b0:4004:c23::79`
NS	2	`ns1.namebrightdns.com, ns2.namebrightdns.com`
MX	2	`mail1.namebrightmail.com (pri: 10), mail2.namebrightmail.com (pri: 10)`
TXT	2	`google-site-verification=YourUniqueGoogl, v=spf1 a:smtpout1.namebrightmail.com a:s`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1.namebrightdns.com, ns1.namebrightdns.com, ns1.namebrightdns.com...)

Analysis

IP Addresses

koreastemcell.com points to two IP numbers: 2607:f8b0:4004:c23::79 and 172.253.62.121.

Other host names such as therasyndm.com, ainapoke.com, micron-system.com, krivan.info and lifetreehealth.net share IPs with koreastemcell.com.

Name Servers

koreastemcell.com is delegated to two name servers: ns1.namebrightdns.com and ns2.namebrightdns.com.

koreastemcell.com shares the same name server setup as trsit.com, dropcatch1279.com, mail.seewhatyouget.com, placeful.com and www.119sihu.com.

koreastemcell.com at least partially shares name servers with other domains, for instance anslp.com, upsurvey.com, getemu.com, (0x736578)chat69.com and govre.com.

these name servers are commonly used with nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names with five IP numbers:

ns1.namebrightdns.com points to 2600:1f18:683a:ae1a:165d:d9b5:87c0:94e0, 2600:1f18:683a:ae1a:7107:667d:570b:171e, 2600:1f18:683a:ae1b:36f4:3cd1:55dc:15, 3.208.27.76 and 13.222.185.86; ns2.namebrightdns.com points to 2600:1f18:683a:ae1a:1dc6:2e82:f754:42f2, 2600:1f18:683a:ae1b:5fd0:44f5:517a:9aeb, 54.89.122.29, 54.210.156.168 and 100.30.180.112.

Mail Servers

koreastemcell.com is handled by two mail servers: mail1.namebrightmail.com and mail2.namebrightmail.com.

The mail server setup for koreastemcell.com matches that of other domains, for instance fabeats.com, dinan.net, homeopathy-software.net, monroecourier.com and skillflows.com.

koreastemcell.com shares mail servers with other domains, for instance peregrinesecurity.com and artspoint.com.

these mail servers are often used together with aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

Host names with a single IP:

mail1.namebrightmail.com points to 66.35.35.26.

mail2.namebrightmail.com points to 66.35.35.28.

koreastemcell.com - robtex.com