`k12mathworksheets.com`

DNSSEC	⚠️ Not signed
NS	`ns31.domaincontrol.com` ⚠️ Not in zone NS records
		A	2603:5:2191::10^{🇺🇸 GODADDY-DNS2603:5:2190::/44}
			PTR	`ns31.domaincontrol.com`
		A	97.74.105.16^{🇺🇸 GODADDY-DNS97.74.104.0/23}
			PTR	`ns31.domaincontrol.com`
NS	`ns32.domaincontrol.com` ⚠️ Not in zone NS records
		A	2603:5:2291::10^{🇺🇸 GODADDY-DNS2603:5:2290::/44}
			PTR	`ns32.domaincontrol.com`
		A	173.201.73.16^{🇺🇸 GODADDY-DNS173.201.72.0/23}
			PTR	`ns32.domaincontrol.com`
NS	`ns63.domaincontrol.com`
		A	2603:5:2154::2a^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns63.domaincontrol.com`
		A	97.74.101.42^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns63.domaincontrol.com`
NS	`ns64.domaincontrol.com`
		A	2603:5:2254::2a^{🇺🇸 GODADDY-DNS2603:5:2250::/44}
			PTR	`ns64.domaincontrol.com`
		A	173.201.69.42^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns64.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
TXT	`google-site-verification=hibH8htei37P-RrENCc36ppDhQmPX5z9fiiKwd--uV8`
TXT	`google-site-verification=LpvLwGYzzCH8huiS2Du5BMbegQRBCFYwsZxzj6DMzYI`
TXT	`mandrill_verify.xIs5I2qvdMlIjkJwY6PaAA`
TXT	`v=spf1 include:dc-aa8e722993._spfm.k12mathworksheets.com ~all`

`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

⚠️ On DNS blocklist: pro.plus, ultimate

Previously MX for

k12mathworksheets.com

Same first word

k12mathworksheets.com

DNS History

13 records (9 active, 4 former)

○NSns1.k12publishing.com2015-05-13 → 2017-04-04 · 4 obs

● 2015-05-13 21:06:56
● 2017-04-04 01:25:42
○ 2026-03-21 16:04:32
○ 2026-03-24 03:46:48

○NSns2.k12publishing.com2015-05-13 → 2017-04-04 · 4 obs

● 2015-05-13 21:06:56
● 2017-04-04 01:25:42
○ 2026-03-21 16:04:32
○ 2026-03-24 03:46:48

●NSns31.domaincontrol.com2026-03-21 → 2026-03-24 · 3 obs

○ 2017-04-04 01:25:42
● 2026-03-21 16:04:32
● 2026-03-24 03:46:48

●NSns32.domaincontrol.com2026-03-21 → 2026-03-24 · 3 obs

○ 2017-04-04 01:25:42
● 2026-03-21 16:04:32
● 2026-03-24 03:46:48

●NSns63.domaincontrol.com2026-03-21 → 2026-03-24 · 3 obs

○ 2017-04-04 01:25:42
● 2026-03-21 16:04:32
● 2026-03-24 03:46:48

●NSns64.domaincontrol.com2026-03-21 → 2026-03-24 · 3 obs

○ 2017-04-04 01:25:42
● 2026-03-21 16:04:32
● 2026-03-24 03:46:48

●MXalt1.aspmx.l.google.com2026-03-21 → 2026-03-24 · 3 obs

○ 2017-04-04 01:25:42
● 2026-03-21 16:04:32
● 2026-03-24 03:46:48

●MXalt2.aspmx.l.google.com2026-03-21 → 2026-03-24 · 3 obs

○ 2017-04-04 01:25:42
● 2026-03-21 16:04:32
● 2026-03-24 03:46:48

●MXalt3.aspmx.l.google.com2026-03-21 → 2026-03-24 · 3 obs

○ 2017-04-04 01:25:42
● 2026-03-21 16:04:32
● 2026-03-24 03:46:48

●MXalt4.aspmx.l.google.com2026-03-21 → 2026-03-24 · 3 obs

○ 2017-04-04 01:25:42
● 2026-03-21 16:04:32
● 2026-03-24 03:46:48

●MXaspmx.l.google.com2026-03-21 → 2026-03-24 · 3 obs

○ 2017-04-04 01:25:42
● 2026-03-21 16:04:32
● 2026-03-24 03:46:48

○MXk12mathworksheets.com2015-05-13 → 2017-04-04 · 4 obs

● 2015-05-13 21:06:56
● 2017-04-04 01:25:42
○ 2026-03-21 16:04:32
○ 2026-03-24 03:46:48

○A67.222.138.1972015-05-13 → 2017-04-04 · 4 obs

● 2015-05-13 21:06:56
● 2017-04-04 01:25:42
○ 2026-03-21 16:04:32
○ 2026-03-24 03:46:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
k12mathworksheets.com	ns31.domaincontrol.com, ns32.domaincontrol.com, ns63.domaincontrol.com, ns64.domaincontrol.com	8 records

✅ Authoritative Response

Server:173.201.73.16

NS records: ns31.domaincontrol.com, ns32.domaincontrol.com, ns63.domaincontrol.com, ns64.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k12mathworksheets.com (unsigned zone)

⏱️ Timing

Total: 315ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.159.134.42`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`google-site-verification=hibH8htei37P-Rr, google-site-verification=LpvLwGYzzCH8hui...`
SOA	1	`ns63.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns31.domaincontrol.com, ns31.domaincontrol.com, ns32.domaincontrol.com...)

Analysis

Name Servers

k12mathworksheets.com is delegated to four name servers: ns31.domaincontrol.com, ns32.domaincontrol.com, ns63.domaincontrol.com and ns64.domaincontrol.com.

k12mathworksheets.com at least partially shares name servers with other domains, for instance ssyh.us, grandprixofnewyork.com, alkemy.mx, fxmconnect.com and sunc6.com.