mathnet.info - dns.ninja

`mathnet.info`

DNSSEC	⚠️ Not signed
A	44.230.85.241^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
A	52.33.207.7^{🇺🇸 Amazon52.32.0.0/14 EC2 PDX prefix}
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2403627663

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1782848949

Same first word

mathnet.ru

mathnet.or.kr

mathnet.am

mathnet.com

mathnet.eu

mathnet.ch

mathnet.de

mathnet.gr

mathnet.biz

mathnet.org

mathnet.at

mathnet.spb.ru

mathnet.info

mathnet.github.io

Similar names

matthen.com

hamnett.net

netmath.org

matthen.github.io

netmath.ca

netmath.com

tathmen.com

antthem.com

ethanmt.com

hamnett.biz

tathmen.net

tmenath.de

hamnett.com

hamnett.org

hettman.com

thetman.com

mtnheat.com

netmath.de

netmath.net

atnthem.com

DNS History

11 records (6 active, 5 former)

●NScuritiba.ns.porkbun.com2026-04-13 → 2026-06-30 · 3 obs

○ 2016-12-31 15:50:50
● 2026-04-13 02:22:12
● 2026-06-30 20:22:54

●NSfortaleza.ns.porkbun.com2026-04-13 → 2026-06-30 · 3 obs

○ 2016-12-31 15:50:50
● 2026-04-13 02:22:12
● 2026-06-30 20:22:54

●NSmaceio.ns.porkbun.com2026-04-13 → 2026-06-30 · 3 obs

○ 2016-12-31 15:50:50
● 2026-04-13 02:22:12
● 2026-06-30 20:22:54

○NSns51.1and1.com2015-07-14 → 2016-12-31 · 4 obs

● 2015-07-14 07:35:22
● 2016-12-31 15:50:50
○ 2026-04-13 02:22:12
○ 2026-06-30 20:22:54

○NSns52.1and1.com2015-07-14 → 2016-12-31 · 4 obs

● 2015-07-14 07:35:22
● 2016-12-31 15:50:50
○ 2026-04-13 02:22:12
○ 2026-06-30 20:22:54

●NSsalvador.ns.porkbun.com2026-04-13 → 2026-06-30 · 3 obs

○ 2016-12-31 15:50:50
● 2026-04-13 02:22:12
● 2026-06-30 20:22:54

○MXmx00.1and1.com2015-07-14 → 2016-12-31 · 4 obs

● 2015-07-14 07:35:22
● 2016-12-31 15:50:50
○ 2026-04-13 02:22:12
○ 2026-06-30 20:22:54

○MXmx01.1and1.com2015-07-14 → 2016-12-31 · 4 obs

● 2015-07-14 07:35:22
● 2016-12-31 15:50:50
○ 2026-04-13 02:22:12
○ 2026-06-30 20:22:54

●A44.230.85.2412026-04-13 → 2026-06-30 · 3 obs

○ 2016-12-31 15:50:50
● 2026-04-13 02:22:12
● 2026-06-30 20:22:54

●A52.33.207.72026-04-13 → 2026-06-30 · 3 obs

○ 2016-12-31 15:50:50
● 2026-04-13 02:22:12
● 2026-06-30 20:22:54

○A74.208.92.1302015-07-14 → 2016-12-31 · 4 obs

● 2015-07-14 07:35:22
● 2016-12-31 15:50:50
○ 2026-04-13 02:22:12
○ 2026-06-30 20:22:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
mathnet.info	maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com	-

✅ Authoritative Response

Server:162.159.11.180

NS records: maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathnet.info (unsigned zone)

⏱️ Timing

Total: 451ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`44.230.85.241, 52.33.207.7`
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

Analysis

IP Addresses

mathnet.info points to the IP addresses 44.230.85.241 and 52.33.207.7

copyanalysis.com, confidentialcanine.com, write.app plus two other host names have IP numbers in common with mathnet.info.

Name Servers

Four name servers handle the delegation for mathnet.info: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

There is at least partial name server overlap between mathnet.info and other domains — skorbak.com, kickball.me, mildmail.com and two more among them.

All four hostnames — curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com — resolve to two IP numbers apiece: curitiba.ns.porkbun.com to 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com to 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com to 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com to 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.