mathground.net - dns.ninja

`mathground.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8654^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:1996^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.150^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.84^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adrian.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c039^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adrian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2039^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adrian.ns.cloudflare.com`
		A	108.162.192.57^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	172.64.32.57^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	173.245.58.57^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
NS	`major.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`major.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`major.ns.cloudflare.com`
		A	108.162.193.241^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	172.64.33.241^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
		A	173.245.59.241^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`major.ns.cloudflare.com`
MX	`mx1-hosting.jellyfish.systems` ⭐
		A	162.255.118.28^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse3a.privateemail.com`
MX	`mx2-hosting.jellyfish.systems`⁽¹⁰⁾
		A	162.255.118.29^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse2b.privateemail.com`
MX	`mx3-hosting.jellyfish.systems`⁽²⁰⁾
		A	162.255.118.13^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx3-hosting.jellyfish.systems`
TXT	`v=spf1 +a +mx +ip4:162.254.39.79 include:spf.web-hosting.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.150, 172.67.134.84
		IPv6 hints	2606:4700:3030::ac43:8654, 2606:4700:3033::6815:1996
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=89, name=cloudflare-ech.com
SOA	`adrian.ns.cloudflare.com`dns@cloudflare.com serial=2406743645

`net`

	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=1782258615

Previously MX for

mathground.net

Same first word

mathground.com

mathground.net

Similar names

rothmundag.ch

DNS History

16 records (9 active, 7 former)

●NSadrian.ns.cloudflare.com2026-02-27 → 2026-06-24 · 3 obs

○ 2017-04-04 09:40:48
● 2026-02-27 12:27:12
● 2026-06-24 00:19:18

●NSmajor.ns.cloudflare.com2026-02-27 → 2026-06-24 · 3 obs

○ 2017-04-04 09:40:48
● 2026-02-27 12:27:12
● 2026-06-24 00:19:18

○NSns1.qhoster.net2015-08-16 → 2017-04-04 · 4 obs

● 2015-08-16 08:41:26
● 2017-04-04 09:40:48
○ 2026-02-27 12:27:12
○ 2026-06-24 00:19:18

○NSns2.qhoster.net2015-08-16 → 2017-04-04 · 4 obs

● 2015-08-16 08:41:26
● 2017-04-04 09:40:48
○ 2026-02-27 12:27:12
○ 2026-06-24 00:19:18

○NSns3.qhoster.net2015-08-16 → 2017-04-04 · 4 obs

● 2015-08-16 08:41:26
● 2017-04-04 09:40:48
○ 2026-02-27 12:27:12
○ 2026-06-24 00:19:18

○NSns4.qhoster.net2015-08-16 → 2017-04-04 · 4 obs

● 2015-08-16 08:41:26
● 2017-04-04 09:40:48
○ 2026-02-27 12:27:12
○ 2026-06-24 00:19:18

○MXmathground.net2015-08-16 → 2017-04-04 · 4 obs

● 2015-08-16 08:41:26
● 2017-04-04 09:40:48
○ 2026-02-27 12:27:12
○ 2026-06-24 00:19:18

●MXmx1-hosting.jellyfish.systems2026-02-27 → 2026-06-24 · 3 obs

○ 2017-04-04 09:40:48
● 2026-02-27 12:27:12
● 2026-06-24 00:19:18

●MXmx2-hosting.jellyfish.systems2026-02-27 → 2026-06-24 · 3 obs

○ 2017-04-04 09:40:48
● 2026-02-27 12:27:12
● 2026-06-24 00:19:18

●MXmx3-hosting.jellyfish.systems2026-02-27 → 2026-06-24 · 3 obs

○ 2017-04-04 09:40:48
● 2026-02-27 12:27:12
● 2026-06-24 00:19:18

●A104.21.25.1502026-02-27 → 2026-06-24 · 3 obs

○ 2017-04-04 09:40:48
● 2026-02-27 12:27:12
● 2026-06-24 00:19:18

○A136.243.41.992017-04-04 → 2017-04-04 · 4 obs

○ 2016-07-26 01:29:54
● 2017-04-04 09:40:48
○ 2026-02-27 12:27:12
○ 2026-06-24 00:19:18

●A172.67.134.842026-02-27 → 2026-06-24 · 3 obs

○ 2017-04-04 09:40:48
● 2026-02-27 12:27:12
● 2026-06-24 00:19:18

●A2606:4700:3030::ac43:86542026-02-27 → 2026-06-24 · 3 obs

○ 2017-04-04 09:40:48
● 2026-02-27 12:27:12
● 2026-06-24 00:19:18

●A2606:4700:3033::6815:19962026-02-27 → 2026-06-24 · 3 obs

○ 2017-04-04 09:40:48
● 2026-02-27 12:27:12
● 2026-06-24 00:19:18

○A66.55.134.1542015-08-16 → 2016-07-26 · 4 obs

● 2015-08-16 08:41:26
● 2016-07-26 01:29:54
○ 2017-04-04 09:40:48
○ 2026-06-24 00:19:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	c.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net...	-
mathground.net	adrian.ns.cloudflare.com, major.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.241

NS records: adrian.ns.cloudflare.com, major.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathground.net (unsigned zone)

⏱️ Timing

Total: 407ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.150, 172.67.134.84`
AAAA	2	`2606:4700:3030::ac43:8654, 2606:4700:3033::6815:1996`
NS	2	`adrian.ns.cloudflare.com, major.ns.cloudflare.com`
MX	3	`mx2-hosting.jellyfish.systems (pri: 10), mx3-hosting.jellyfish.systems (pri: 20)...`
TXT	1	`v=spf1 +a +mx +ip4:162.254.39.79 include`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adrian.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

mathground.net has four IP addresses: 104.21.25.150, 172.67.134.84, 2606:4700:3030::ac43:8654 and 2606:4700:3033::6815:1996.

postersrock.com, xyoo1.com, jahda.com and two other host names share IP numbers with mathground.net.

Name Servers

mathground.net has two authoritative name servers — adrian.ns.cloudflare.com and major.ns.cloudflare.com.

mathground.net uses the same name servers as several other domains — among them thefluidpiano.com, supermako.com, ctmdigitl.com and two more.

mathground.net partially shares its NS delegation with several other domains, including freshcasino132.com, deyixs.com, centrovisual.it and two others.

These name servers regularly co-occur with the name servers tim.ns.cloudflare.com, peyton.ns.cloudflare.com and steven.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

adrian.ns.cloudflare.com points to 108.162.192.57, 172.64.32.57, 173.245.58.57 and 3 other IP addresses.

major.ns.cloudflare.com points to 108.162.193.241, 172.64.33.241, 173.245.59.241 and 3 other IP addresses.

Mail Servers

mathground.net uses three mail servers — mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.

mathground.net has at least partial mail server overlap with other domains such as orthodoxy.info, erichowl.com, 789682416.xyz and two more.

Each of the three hostnames points to exactly one IP address: mx1-hosting.jellyfish.systems points to 162.255.118.28, mx2-hosting.jellyfish.systems points to 162.255.118.29 and mx3-hosting.jellyfish.systems points to 162.255.118.13.