mathdl.org - dns.ninja

`mathdl.org`

DNSSEC	⚠️ Not signed
A	38.81.195.203^{🇺🇸 AMC38.81.195.0/24 INFORELAY-IAD4-02}
NS	`roxy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roxy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roxy.ns.cloudflare.com`
		A	108.162.192.142^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	172.64.32.142^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	173.245.58.142^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
NS	`tom.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c193^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tom.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2193^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tom.ns.cloudflare.com`
		A	108.162.193.147^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	172.64.33.147^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	173.245.59.147^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
SOA	`roxy.ns.cloudflare.com`dns@cloudflare.com serial=2408029441

`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=1782694529

Subdomains

convergence.mathdl.org

Same first word

mathdl.org

mathdl.com

Similar names

dhlmat.com

ldmath.com

mhaltd.com

adhtml.com

amhltd.co.uk

amhltd.com

hmltda.cl

mathld.com

tahmdl.com

mahltd.co.uk

mhaltd.co.uk

DNS History

3 records (3 active, 0 former)

●NSroxy.ns.cloudflare.com2015-07-26 → 2026-06-29 · 2 obs

● 2015-07-26 04:27:54
● 2026-06-29 01:34:30

●NStom.ns.cloudflare.com2015-07-26 → 2026-06-29 · 2 obs

● 2015-07-26 04:27:54
● 2026-06-29 01:34:30

●A38.81.195.2032015-07-26 → 2026-06-29 · 2 obs

● 2015-07-26 04:27:54
● 2026-06-29 01:34:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
mathdl.org	roxy.ns.cloudflare.com, tom.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.142

NS records: roxy.ns.cloudflare.com, tom.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathdl.org (unsigned zone)

⏱️ Timing

Total: 682ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.81.195.203`
NS	2	`roxy.ns.cloudflare.com, tom.ns.cloudflare.com`
SOA	1	`roxy.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

mathdl.org is the parent zone for convergence.mathdl.org.

IP Addresses

mathdl.org resolves to just one IP address, 38.81.195.203.

Other host names share IP numbers with mathdl.org; convergence.mathdl.org is one such example.

Name Servers

mathdl.org is served by two delegated name servers, roxy.ns.cloudflare.com and tom.ns.cloudflare.com.

mathdl.org shares its NS records with other domains, for example wuu.ca, wideopenspaces.com, shorelineconversations.co.uk and two others.

mathdl.org partially shares its NS delegation with several other domains, including iphonemodel.com, visionsmartnews.com, bizarro.com.co and two others.

These name servers often co-occur with the name servers kia.ns.cloudflare.com.

DNS names with 6 IP addresses:

roxy.ns.cloudflare.com carries IP addresses 108.162.192.142, 172.64.32.142 and 173.245.58.142, with 3 other addresses beyond those.

tom.ns.cloudflare.com carries IP addresses 108.162.193.147, 172.64.33.147 and 173.245.59.147, with 3 other addresses beyond those.