math4u.com - dns.ninja

`math4u.com`

DNSSEC	⚠️ Not signed
A	62.182.18.215^{🇬🇧 SUB662.182.16.0/21 Sub6_JH_Subnet2}
		PTR	`cloud2.domainscorporation.net`
NS	`dns.uk-noc.com` ⭐ ⚠️ Not in parent delegation
		A	162.159.27.59^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns.us-noc.com` ⚠️ Not in parent delegation
		A	185.41.8.50^{🇬🇧 SUB6185.41.8.0/22}
			PTR	`dns.us-noc.com`
NS	`ns1.the-domain-name-is-for-sale.com` ⚠️ Not in zone NS records
		A	162.159.27.59^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.visit-the-domain-to-buy.com` ⚠️ Not in zone NS records
		A	185.41.8.50^{🇬🇧 SUB6185.41.8.0/22}
			PTR	`dns.us-noc.com`
MX	`vulcan.platinumdns.com` ⭐
		A	127.0.0.1
TXT	`v=spf1 ip4:62.182.18.215 -all`
SOA	`dns.uk-noc.com`sys-admin@uk-noc.com 2024-12-16 #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=1781417360

Subdomains

www.math4u.com

Same first word

math4u.kr

math4u.de

math4u.com

math4u.it

math4u.co.kr

math4u.ca

math4u.net

math4u.org

Similar names

u4math.org

DNS History

22 records (6 active, 16 former)

○NSbuy.internettraffic.com2015-09-03 → 2016-05-22 · 4 obs

● 2015-09-03 03:16:20
● 2016-05-22 04:17:24
○ 2016-07-28 16:16:06
○ 2026-06-14 06:24:02

●NSdns.uk-noc.com2020-02-01 → 2026-06-14 · 3 obs

○ 2016-12-02 05:55:38
● 2020-02-01 21:06:06
● 2026-06-14 06:24:02

●NSdns.us-noc.com2020-02-01 → 2026-06-14 · 3 obs

○ 2016-12-02 05:55:38
● 2020-02-01 21:06:06
● 2026-06-14 06:24:02

○NSns1.fabulous.com2016-07-28 → 2016-07-28 · 4 obs

○ 2016-05-22 04:17:24
● 2016-07-28 16:16:06
○ 2016-11-27 02:54:36
○ 2026-06-14 06:24:02

○NSns1.sedoparking.com2016-11-27 → 2016-12-02 · 5 obs

○ 2016-07-28 16:16:06
● 2016-11-27 02:54:36
● 2016-12-02 05:55:38
○ 2020-02-01 21:06:06
○ 2026-06-14 06:24:02

●NSns1.the-domain-name-is-for-sale.com2026-06-14 → 2026-06-14 · 2 obs

○ 2020-02-01 21:06:06
● 2026-06-14 06:24:02

○NSns2.fabulous.com2016-07-28 → 2016-07-28 · 4 obs

○ 2016-05-22 04:17:24
● 2016-07-28 16:16:06
○ 2016-11-27 02:54:36
○ 2026-06-14 06:24:02

○NSns2.sedoparking.com2016-11-27 → 2016-12-02 · 5 obs

○ 2016-07-28 16:16:06
● 2016-11-27 02:54:36
● 2016-12-02 05:55:38
○ 2020-02-01 21:06:06
○ 2026-06-14 06:24:02

●NSns2.visit-the-domain-to-buy.com2026-06-14 → 2026-06-14 · 2 obs

○ 2020-02-01 21:06:06
● 2026-06-14 06:24:02

○NSsell.internettraffic.com2015-09-03 → 2016-05-22 · 4 obs

● 2015-09-03 03:16:20
● 2016-05-22 04:17:24
○ 2016-07-28 16:16:06
○ 2026-06-14 06:24:02

○MXfailover1.email-cluster.com2020-02-01 → 2020-02-01 · 3 obs

○ 2016-12-02 05:55:38
● 2020-02-01 21:06:06
○ 2026-06-14 06:24:02

○MXlocalhost2016-11-27 → 2016-12-02 · 5 obs

○ 2016-07-28 16:16:06
● 2016-11-27 02:54:36
● 2016-12-02 05:55:38
○ 2020-02-01 21:06:06
○ 2026-06-14 06:24:02

○MXmail.b-io.co2016-07-28 → 2016-07-28 · 3 obs

● 2016-07-28 16:16:06
○ 2016-11-27 02:54:36
○ 2026-06-14 06:24:02

○MXmx1.email-cluster.com2020-02-01 → 2020-02-01 · 3 obs

○ 2016-12-02 05:55:38
● 2020-02-01 21:06:06
○ 2026-06-14 06:24:02

○MXmx2.email-cluster.com2020-02-01 → 2020-02-01 · 3 obs

○ 2016-12-02 05:55:38
● 2020-02-01 21:06:06
○ 2026-06-14 06:24:02

●MXvulcan.platinumdns.com2026-06-14 → 2026-06-14 · 2 obs

○ 2020-02-01 21:06:06
● 2026-06-14 06:24:02

○A62.182.17.252020-02-01 → 2020-02-01 · 3 obs

○ 2016-12-02 05:55:38
● 2020-02-01 21:06:06
○ 2026-06-14 06:24:02

●A62.182.18.2152026-06-14 → 2026-06-14 · 2 obs

○ 2020-02-01 21:06:06
● 2026-06-14 06:24:02

○A69.172.201.1532016-05-22 → 2016-05-22 · 4 obs

○ 2016-04-06 22:06:30
● 2016-05-22 04:17:24
○ 2016-07-28 16:16:06
○ 2026-06-14 06:24:02

○A69.172.201.2082015-09-03 → 2016-04-06 · 4 obs

● 2015-09-03 03:16:20
● 2016-04-06 22:06:30
○ 2016-05-22 04:17:24
○ 2026-06-14 06:24:02

○A72.52.4.912016-11-27 → 2016-12-02 · 5 obs

○ 2016-07-28 16:16:06
● 2016-11-27 02:54:36
● 2016-12-02 05:55:38
○ 2020-02-01 21:06:06
○ 2026-06-14 06:24:02

○A98.124.245.242016-07-28 → 2016-07-28 · 4 obs

○ 2016-05-22 04:17:24
● 2016-07-28 16:16:06
○ 2016-11-27 02:54:36
○ 2026-06-14 06:24:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
math4u.com	ns1.the-domain-name-is-for-sale.com, ns2.visit-the-domain-to-buy.com	2 records

✅ Authoritative Response

Server:185.41.8.50

NS records: ns1.the-domain-name-is-for-sale.com, ns2.visit-the-domain-to-buy.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for math4u.com (unsigned zone)

⏱️ Timing

Total: 454ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.182.18.215`
NS	2	`dns.uk-noc.com, dns.us-noc.com`
MX	1	`vulcan.platinumdns.com (pri: 5)`
TXT	1	`v=spf1 ip4:62.182.18.215 -all`
SOA	1	`dns.uk-noc.com sys-admin.uk-noc.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.the-domain-name-is-for-sale.com, ns2.visit-the-domain-to-buy.com)

Analysis

Hierarchy

www.math4u.com is a subdomain of math4u.com.

IP Addresses

math4u.com resolves to just one IP address, 62.182.18.215.

Two other host names, along with ketodieet.com, woerpel.com and cunsolo.com, also share IP numbers with math4u.com.

Name Servers

math4u.com is delegated to four name servers, ns1.the-domain-name-is-for-sale.com, dns.uk-noc.com, dns.us-noc.com and ns2.visit-the-domain-to-buy.com.

The name servers of math4u.com overlap at least partially with those of other domains — among them miotempo.com, ns1.saydev.co.uk, brinestate.com and two more.

These name servers commonly appear in delegations together with dns.the-domain-name-is-for-sale.com, dns.visit-the-domain-to-buy.com, ns1.clook.net and 5 other.

ns1.the-domain-name-is-for-sale.com resolves to 162.159.27.59, as does dns.uk-noc.com. dns.us-noc.com resolves to 185.41.8.50, as does ns2.visit-the-domain-to-buy.com.

These two host names — ns1.the-domain-name-is-for-sale.com and dns.uk-noc.com — each point to 162.159.27.59 IP addresses.

These two host names — dns.us-noc.com and ns2.visit-the-domain-to-buy.com — each point to 185.41.8.50 IP addresses.

Mail Servers

The sole mail server for math4u.com is vulcan.platinumdns.com.

Among the domains sharing a mail server setup with math4u.com are artdekor.com, slcoaching.com, casuality.com and two others.

There is one IP number for vulcan.platinumdns.com: 127.0.0.1.