mathnerd.org - dns.ninja

`mathnerd.org`

DNSSEC	⚠️ Not signed
NS	`piotr.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bde^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`piotr.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`piotr.ns.cloudflare.com`
		A	108.162.193.222^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	172.64.33.222^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	173.245.59.222^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
NS	`violet.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aed^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ed^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`violet.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ed^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`violet.ns.cloudflare.com`
		A	108.162.192.237^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
		A	172.64.32.237^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
		A	173.245.58.237^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
SOA	`piotr.ns.cloudflare.com`dns@cloudflare.com serial=2410150537

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785661873

Same first word

mathnerd.org

mathnerd.com

Similar names

DNS History

9 records (2 active, 7 former)

○NSbethany.ns.cloudflare.com2026-03-21 → 2026-04-08 · 5 obs

○ 2020-01-26 19:57:32
● 2026-03-21 00:14:06
● 2026-04-08 06:04:02
○ 2026-06-28 17:55:12
○ 2026-08-02 09:25:44

○NSnewt.ns.cloudflare.com2026-03-21 → 2026-04-08 · 5 obs

○ 2020-01-26 19:57:32
● 2026-03-21 00:14:06
● 2026-04-08 06:04:02
○ 2026-06-28 17:55:12
○ 2026-08-02 09:25:44

○NSns2317.hostgator.com2015-07-18 → 2020-01-26 · 4 obs

● 2015-07-18 06:16:46
● 2020-01-26 19:57:32
○ 2026-03-21 00:14:06
○ 2026-08-02 09:25:44

○NSns2318.hostgator.com2015-07-18 → 2020-01-26 · 4 obs

● 2015-07-18 06:16:46
● 2020-01-26 19:57:32
○ 2026-03-21 00:14:06
○ 2026-08-02 09:25:44

○NSns8015.hostgator.com2015-07-18 → 2020-01-26 · 4 obs

● 2015-07-18 06:16:46
● 2020-01-26 19:57:32
○ 2026-03-21 00:14:06
○ 2026-08-02 09:25:44

●NSpiotr.ns.cloudflare.com2026-06-28 → 2026-08-02 · 3 obs

○ 2026-04-08 06:04:02
● 2026-06-28 17:55:12
● 2026-08-02 09:25:44

●NSviolet.ns.cloudflare.com2026-06-28 → 2026-08-02 · 3 obs

○ 2026-04-08 06:04:02
● 2026-06-28 17:55:12
● 2026-08-02 09:25:44

○MXalpha.mathnerd.org2020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 19:57:32
○ 2026-03-21 00:14:06
○ 2026-08-02 09:25:44

○A192.185.16.602015-07-18 → 2020-01-26 · 4 obs

● 2015-07-18 06:16:46
● 2020-01-26 19:57:32
○ 2026-03-21 00:14:06
○ 2026-08-02 09:25:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
mathnerd.org	piotr.ns.cloudflare.com, violet.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.237

NS records: piotr.ns.cloudflare.com, violet.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathnerd.org (unsigned zone)

⏱️ Timing

Total: 1274ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`piotr.ns.cloudflare.com, violet.ns.cloudflare.com`
SOA	1	`piotr.ns.cloudflare.com dns.cloudflare.c`

Analysis

Name Servers

mathnerd.org uses two name servers for its delegation: piotr.ns.cloudflare.com and violet.ns.cloudflare.com.

mathnerd.org uses the same name servers as several other domains — among them canzoneromana.net, senga.ca, richardpetersen.co.uk and two more.

At least some of mathnerd.org's name servers are shared with other domains, for example topcasinobonus.nl, zippingpong.com, cila.online and two more.

These name servers tend to be deployed in combination with the name servers reese.ns.cloudflare.com and betty.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname piotr.ns.cloudflare.com directs to 108.162.193.222, 172.64.33.222 and 173.245.59.222 along with 3 other IP addresses.

Hostname violet.ns.cloudflare.com directs to 108.162.192.237, 172.64.32.237 and 173.245.58.237 along with 3 other IP addresses.