`simplek12.com`

DNSSEC	⚠️ Not signed
A	198.202.211.1^{🇺🇸 CLOUDFLARESPECTRUM198.202.211.0/24 Webflow}
		PTR	`ip-198-202-211-1.defastlink.net`
NS	`jack.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c179^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2179^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jack.ns.cloudflare.com`
		A	108.162.193.121^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	172.64.33.121^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	173.245.59.121^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
NS	`olga.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c089^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olga.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2089^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olga.ns.cloudflare.com`
		A	108.162.192.137^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	172.64.32.137^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	173.245.58.137^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
MX	`simplek12-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c922::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr03cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00601.inbound.protection.outlook.com`
		A	52.101.11.9^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr02cu00101.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.41.54^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00506.inbound.protection.outlook.com`
		A	52.101.42.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00300.inbound.protection.outlook.com`
TXT	`5bik65riajsbat32oke9h46k65`
TXT	`MS=ms15440386`
TXT	`MS=ms29357607`
TXT	`MS=ms42362182`
TXT	`MS=ms83053395`
TXT	`MS=ms83067184`
TXT	`google-site-verification=J5_QDFK8SB_uHfgY92UELyZstptx1LdUKqUdljS9BOs`
TXT	`google-site-verification=KiKR4LBDF2qIfS2l3sOTA44HkIGfeQGvvgauOl7DjX0`
TXT	`google-site-verification=RPwcSWxneftlGwKgqrYQoqaP4P2l7_7704oYsX6UBlk`
TXT	`google-site-verification=rcKroRZa1iv6KzyU_xKnrJVyGkBsqPPL55SPkx17MU8`
TXT	`ms-domain-verification=eb958147-67d3-4bd5-bc31-9508c98b62b6`
TXT	`spf2.0/pra include:e2ma.net ip4:64.132.127.160/27 ip4:66.192.136.64/28 ip4:20...`
TXT	`stripe-verification=fe651e09f189c664a1a38c811d151b0517a87e1b8a16b7117c69eab36...`
TXT	`v=spf1 mx a ip4:64.132.127.160/27 ip4:66.192.136.64/28 ip4:128.136.37.0/24 ip...`
SOA	`jack.ns.cloudflare.com`dns@cloudflare.com serial=2398292944

`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

rank #301776 globally
rank #131449 in the tld
WOT: UNKNOWN (50/100)
📈 Tranco rank: #846,233

Subdomains

blog.simplek12.com

portal.simplek12.com

cdn1.simplek12.com

Same first word

simplek12.lpages.co

simplek12.azureedge.net

simplek12.com

simplek12.leadpages.co

DNS History

14 records (4 active, 10 former)

○NSipdnstool-02.dnvr.twtelecom.net2015-08-12 → 2017-05-08 · 4 obs

● 2015-08-12 01:15:18
● 2017-05-08 07:30:36
○ 2017-06-30 08:14:08
○ 2026-03-15 14:54:42

●NSjack.ns.cloudflare.com2026-03-15 → 2026-03-15 · 3 obs

○ 2018-09-14 00:53:34
● 2026-03-15 14:54:40
● 2026-03-15 14:54:42

○NSns1.twtelecom.net2015-08-12 → 2017-05-08 · 4 obs

● 2015-08-12 01:15:18
● 2017-05-08 07:30:36
○ 2017-06-30 08:14:08
○ 2026-03-15 14:54:42

○NSns2.twtelecom.net2015-08-12 → 2017-05-08 · 4 obs

● 2015-08-12 01:15:18
● 2017-05-08 07:30:36
○ 2017-06-30 08:14:08
○ 2026-03-15 14:54:42

○NSns3.level3.net2017-02-15 → 2018-09-14 · 5 obs

○ 2015-08-12 01:15:18
● 2017-02-15 15:31:00
● 2018-09-14 00:53:34
○ 2026-03-15 14:54:40
○ 2026-03-15 14:54:42

○NSns4.level3.net2017-02-15 → 2018-09-14 · 5 obs

○ 2015-08-12 01:15:18
● 2017-02-15 15:31:00
● 2018-09-14 00:53:34
○ 2026-03-15 14:54:40
○ 2026-03-15 14:54:42

●NSolga.ns.cloudflare.com2026-03-15 → 2026-03-15 · 3 obs

○ 2018-09-14 00:53:34
● 2026-03-15 14:54:40
● 2026-03-15 14:54:42

●MXsimplek12-com.mail.protection.outlook.com2026-03-15 → 2026-03-15 · 3 obs

○ 2018-09-14 00:53:34
● 2026-03-15 14:54:40
● 2026-03-15 14:54:42

○MXsimplek12.com.1.0001.arsmtp.com2015-08-12 → 2017-02-15 · 4 obs

● 2015-08-12 01:15:18
● 2017-02-15 15:31:00
○ 2017-05-08 07:30:36
○ 2026-03-15 14:54:42

○MXsimplek12.com.1.arsmtp.com2017-05-08 → 2018-09-14 · 5 obs

○ 2017-02-15 15:31:00
● 2017-05-08 07:30:36
● 2018-09-14 00:53:34
○ 2026-03-15 14:54:40
○ 2026-03-15 14:54:42

○MXsimplek12.com.2.0001.arsmtp.com2015-08-12 → 2017-02-15 · 4 obs

● 2015-08-12 01:15:18
● 2017-02-15 15:31:00
○ 2017-05-08 07:30:36
○ 2026-03-15 14:54:42

○MXsimplek12.com.2.arsmtp.com2017-05-08 → 2018-09-14 · 5 obs

○ 2017-02-15 15:31:00
● 2017-05-08 07:30:36
● 2018-09-14 00:53:34
○ 2026-03-15 14:54:40
○ 2026-03-15 14:54:42

●A198.202.211.12026-03-15 → 2026-03-15 · 3 obs

○ 2018-09-14 00:53:34
● 2026-03-15 14:54:40
● 2026-03-15 14:54:42

○A64.132.127.1892015-08-12 → 2018-09-14 · 4 obs

● 2015-08-12 01:15:18
● 2018-09-14 00:53:34
○ 2026-03-15 14:54:40
○ 2026-03-15 14:54:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
simplek12.com	jack.ns.cloudflare.com, olga.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.121

NS records: jack.ns.cloudflare.com, olga.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simplek12.com (unsigned zone)

⏱️ Timing

Total: 375ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.202.211.1`
NS	2	`jack.ns.cloudflare.com, olga.ns.cloudflare.com`
MX	1	`simplek12-com.mail.protection.outlook.co`
TXT	14	`5bik65riajsbat32oke9h46k65, MS=ms15440386...`
SOA	1	`jack.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

simplek12.com is parent of blog.simplek12.com, portal.simplek12.com and cdn1.simplek12.com.

IP Addresses

simplek12.com points to a single IP: 198.202.211.1.

Other host names, for instance zrgpartners.com, mightyvelo.com, quotientai.co, ocd-tech.com and unbox.com.br share IP numbers with simplek12.com.

Name Servers

simplek12.com's delegation is to two name servers jack.ns.cloudflare.com and olga.ns.cloudflare.com.

simplek12.com shares the same name server configuration as other domains, such as colinbarry.com, andrewfong.com, quantum-genomics.com, fars.company and d0tt.com.

simplek12.com at least partially shares its name servers with other domains, for instance chouzhenkong.com, hikeinhk.com, missavtv.com, societyai.com and megaweb12at.com.

These name servers are often used together with the name servers carl.ns.cloudflare.com.

Host names with six IP numbers:

jack.ns.cloudflare.com points to: 2606:4700:58::adf5:3b79, 2803:f800:50::6ca2:c179, 2a06:98c1:50::ac40:2179, 108.162.193.121, 172.64.33.121 and 173.245.59.121.

olga.ns.cloudflare.com points to: 2606:4700:50::adf5:3a89, 2803:f800:50::6ca2:c089, 2a06:98c1:50::ac40:2089, 108.162.192.137, 172.64.32.137 and 173.245.58.137.

Mail Servers

simplek12.com is served by a single mail server, simplek12-com.mail.protection.outlook.com.

The host name simplek12-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c922::, 2a01:111:f403:f804::1, 2a01:111:f403:f805::1, 2a01:111:f403:f901::1, 52.101.11.9, 52.101.40.0, 52.101.41.54 and 52.101.42.16.

simplek12.com - robtex.com

simplek12.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`simplek12.com`

`com`