`sbmkorea.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:55f8^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:d4fc^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.85.248^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.252^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aleena.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2651^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c251^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aleena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2251^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aleena.ns.cloudflare.com`
		A	108.162.194.81^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	162.159.38.81^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	172.64.34.81^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
NS	`tom.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c193^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tom.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2193^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tom.ns.cloudflare.com`
		A	108.162.193.147^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	172.64.33.147^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	173.245.59.147^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.85.248, 172.67.212.252
		IPv6 hints	2606:4700:3030::6815:55f8, 2606:4700:3036::ac43:d4fc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=147, name=cloudflare-ech.com
SOA	`aleena.ns.cloudflare.com`dns@cloudflare.com serial=2407366310

`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=1784290682

Subdomains

mail.sbmkorea.com

Same first word

sbmkorea.com

Similar names

mbskorea.com

mareskob.org.tr

sobemrak.hr

mosbaker.ru

smbkorea.com

ambrosek.com

bakeroms.com

bmskorea.co.kr

bmskorea.net

kamberos.net

markbose.com.cn

broeksma.net

robmasek.com

koreabms.com

kreoamsb.com

DNS History

22 records (11 active, 11 former)

●NSaleena.ns.cloudflare.com2026-07-08 → 2026-07-17 · 3 obs

○ 2018-08-16 10:43:16
● 2026-07-08 10:07:04
● 2026-07-17 12:47:12

○NSns.koreatip.com2009-01-21 → 2009-01-21 · 3 obs

● 2009-01-21 07:30:18
○ 2015-05-27 21:13:10
○ 2026-07-17 12:47:12

○NSns1.apti.co.kr2015-05-27 → 2016-05-15 · 5 obs

○ 2009-01-21 07:30:18
● 2015-05-27 21:13:10
● 2016-05-15 21:01:12
○ 2017-02-09 06:57:58
○ 2026-07-17 12:47:12

○NSns1.uhost.co.kr2017-02-09 → 2018-08-16 · 5 obs

○ 2016-05-15 21:01:12
● 2017-02-09 06:57:58
● 2018-08-16 10:43:16
○ 2026-07-08 10:07:04
○ 2026-07-17 12:47:12

○NSns2.apti.co.kr2015-05-27 → 2016-05-15 · 5 obs

○ 2009-01-21 07:30:18
● 2015-05-27 21:13:10
● 2016-05-15 21:01:12
○ 2017-02-09 06:57:58
○ 2026-07-17 12:47:12

○NSns2.uhost.co.kr2017-02-09 → 2018-08-16 · 5 obs

○ 2016-05-15 21:01:12
● 2017-02-09 06:57:58
● 2018-08-16 10:43:16
○ 2026-07-08 10:07:04
○ 2026-07-17 12:47:12

○NSns3.apti.co.kr2015-05-27 → 2016-05-15 · 5 obs

○ 2009-01-21 07:30:18
● 2015-05-27 21:13:10
● 2016-05-15 21:01:12
○ 2017-02-09 06:57:58
○ 2026-07-17 12:47:12

●NStom.ns.cloudflare.com2026-07-08 → 2026-07-17 · 3 obs

○ 2018-08-16 10:43:16
● 2026-07-08 10:07:04
● 2026-07-17 12:47:12

●MXalt1.aspmx.l.google.com2015-05-27 → 2026-07-17 · 3 obs

○ 2009-01-21 07:30:18
● 2015-05-27 21:13:10
● 2026-07-17 12:47:12

●MXalt2.aspmx.l.google.com2015-05-27 → 2026-07-17 · 3 obs

○ 2009-01-21 07:30:18
● 2015-05-27 21:13:10
● 2026-07-17 12:47:12

●MXaspmx.l.google.com2015-05-27 → 2026-07-17 · 3 obs

○ 2009-01-21 07:30:18
● 2015-05-27 21:13:10
● 2026-07-17 12:47:12

●MXaspmx2.googlemail.com2015-05-27 → 2026-07-17 · 3 obs

○ 2009-01-21 07:30:18
● 2015-05-27 21:13:10
● 2026-07-17 12:47:12

●MXaspmx3.googlemail.com2015-05-27 → 2026-07-17 · 3 obs

○ 2009-01-21 07:30:18
● 2015-05-27 21:13:10
● 2026-07-17 12:47:12

○MXmail.sbmkorea.com2009-01-21 → 2009-01-21 · 3 obs

● 2009-01-21 07:30:18
○ 2015-05-27 21:13:10
○ 2026-07-17 12:47:12

●A104.21.85.2482026-07-08 → 2026-07-17 · 3 obs

○ 2018-08-16 10:43:16
● 2026-07-08 10:07:04
● 2026-07-17 12:47:12

○A123.140.193.1342009-01-21 → 2009-01-21 · 3 obs

● 2009-01-21 07:30:18
○ 2015-05-27 21:13:10
○ 2026-07-17 12:47:12

●A172.67.212.2522026-07-08 → 2026-07-17 · 3 obs

○ 2018-08-16 10:43:16
● 2026-07-08 10:07:04
● 2026-07-17 12:47:12

○A202.31.187.2042017-02-09 → 2018-08-16 · 5 obs

○ 2016-05-15 21:01:12
● 2017-02-09 06:57:58
● 2018-08-16 10:43:16
○ 2026-07-08 10:07:04
○ 2026-07-17 12:47:12

○A218.145.161.2042015-10-23 → 2016-05-15 · 5 obs

○ 2015-05-27 21:13:10
● 2015-10-23 08:57:32
● 2016-05-15 21:01:12
○ 2017-02-09 06:57:58
○ 2026-07-17 12:47:12

○A220.85.12.172015-05-27 → 2015-05-27 · 4 obs

○ 2009-01-21 07:30:18
● 2015-05-27 21:13:10
○ 2015-10-23 08:57:32
○ 2026-07-17 12:47:12

●A2606:4700:3030::6815:55f82026-07-08 → 2026-07-17 · 3 obs

○ 2018-08-16 10:43:16
● 2026-07-08 10:07:04
● 2026-07-17 12:47:12

●A2606:4700:3036::ac43:d4fc2026-07-08 → 2026-07-17 · 3 obs

○ 2018-08-16 10:43:16
● 2026-07-08 10:07:04
● 2026-07-17 12:47:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
sbmkorea.com	tom.ns.cloudflare.com, aleena.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.147

NS records: tom.ns.cloudflare.com, aleena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sbmkorea.com (unsigned zone)

⏱️ Timing

Total: 679ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.212.252, 104.21.85.248`
AAAA	2	`2606:4700:3036::ac43:d4fc, 2606:4700:3030::6815:55f8`
NS	2	`aleena.ns.cloudflare.com, tom.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	1	`v=spf1 include:_spf.google.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aleena.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (tom.ns.cloudflare.com, tom.ns.cloudflare.com, tom.ns.cloudflare.com...)

Analysis

Hierarchy

The domain mail.sbmkorea.com falls under the parent sbmkorea.com.

IP Addresses

sbmkorea.com directs to four IP numbers, which are 104.21.85.248, 172.67.212.252, 2606:4700:3030::6815:55f8 and 2606:4700:3036::ac43:d4fc.

Among the host names that share IP numbers with sbmkorea.com are cincontrade.com, caregiverslibrary.org, universal-aciers.fr and two others.

Name Servers

sbmkorea.com has two authoritative name servers — aleena.ns.cloudflare.com and tom.ns.cloudflare.com.

sbmkorea.com has the same name server delegation as a number of other domains, such as identikey.com, vasco.us, vacman.jp and two more.

At least some of sbmkorea.com's name servers are shared with other domains, for example ht368.net, ecpay.com.ph, nexusdigitalconsulting.sbs and two more.

It is common for these name servers to be used in conjunction with the name servers kia.ns.cloudflare.com, ignacio.ns.cloudflare.com and abdullah.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

aleena.ns.cloudflare.com points to 108.162.194.81, 162.159.38.81, 172.64.34.81 and 3 other IP addresses.

tom.ns.cloudflare.com points to 108.162.193.147, 172.64.33.147, 173.245.59.147 and 3 other IP addresses.

Mail Servers

Five mail servers handle sbmkorea.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

sbmkorea.com shares at least some of its mail servers with other domains — for example cdplanka.com, priyadental.com, everspace.pl and two more.

It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com resolves to 64.233.180.26 and 2607:f8b0:4004:c19::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.27 IP addresses.