🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mathdeck.com`

DNSSEC	⚠️ Not signed
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}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f26.1e100.net`
		A	172.253.135.27^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=NN7HRGA2TZVC7dPnHzFx6kHnjg6dm_OmaNiRbvJ2Rhk`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2416725215

`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=1794595641

Same first word

mathdeck.com

mathdeck.org

Similar names

teamhkcd.xyz

dketcham.workers.dev

damktech.com.tr

deckmath.com

dkmechta.ru

actmedhk.com.hk

mdkatech.com.br

teamhkcd.store

ahmetkcd.workers.dev

teamhkcd.info

damktech.com

teamhkcd.com

dmaktech.com

Previous names

Next names

DNS History

21 records (9 active, 12 former)

●NScuritiba.ns.porkbun.com2026-09-07 → 2026-11-13 · 3 obs

○ 2019-04-13 03:59:26
● 2026-09-07 17:29:10
● 2026-11-13 19:09:54

●NSfortaleza.ns.porkbun.com2026-09-07 → 2026-11-13 · 3 obs

○ 2019-04-13 03:59:26
● 2026-09-07 17:29:10
● 2026-11-13 19:09:54

●NSmaceio.ns.porkbun.com2026-09-07 → 2026-11-13 · 3 obs

○ 2019-04-13 03:59:26
● 2026-09-07 17:29:10
● 2026-11-13 19:09:54

○NSns-cloud1.googledomains.com2015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

○NSns-cloud2.googledomains.com2015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

○NSns-cloud3.googledomains.com2015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

○NSns-cloud4.googledomains.com2015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

●NSsalvador.ns.porkbun.com2026-09-07 → 2026-11-13 · 3 obs

○ 2019-04-13 03:59:26
● 2026-09-07 17:29:10
● 2026-11-13 19:09:54

●MXalt1.aspmx.l.google.com2015-06-17 → 2026-11-13 · 2 obs

● 2015-06-17 03:30:52
● 2026-11-13 19:09:54

●MXalt2.aspmx.l.google.com2015-06-17 → 2026-11-13 · 2 obs

● 2015-06-17 03:30:52
● 2026-11-13 19:09:54

●MXalt3.aspmx.l.google.com2015-06-17 → 2026-11-13 · 2 obs

● 2015-06-17 03:30:52
● 2026-11-13 19:09:54

●MXalt4.aspmx.l.google.com2015-06-17 → 2026-11-13 · 2 obs

● 2015-06-17 03:30:52
● 2026-11-13 19:09:54

●MXaspmx.l.google.com2015-06-17 → 2026-11-13 · 2 obs

● 2015-06-17 03:30:52
● 2026-11-13 19:09:54

○A2001:4860:4802:32::152015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

○A2001:4860:4802:34::152015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

○A2001:4860:4802:36::152015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

○A2001:4860:4802:38::152015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

○A216.239.32.212015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

○A216.239.34.212015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

○A216.239.36.212015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

○A216.239.38.212015-06-17 → 2019-04-13 · 4 obs

● 2015-06-17 03:30:52
● 2019-04-13 03:59:26
○ 2026-09-07 17:29:10
○ 2026-11-13 19:09:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...	-
mathdeck.com	maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com	8 records

✅ Authoritative Response

Server:162.159.11.180

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathdeck.com (unsigned zone)

⏱️ Timing

Total: 419ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=NN7HRGA2TZVC7dP, v=spf1 include:_spf.google.com ~all`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (maceio.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com...)

Analysis

Name Servers

mathdeck.com has four authoritative name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

mathdeck.com has at least partial name server overlap with other domains, such as goldpulselab.com, abyssvent.net, hoodedreaper.com and two others.

curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com all point to exactly two IP numbers each: curitiba.ns.porkbun.com → 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com → 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com → 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com → 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.

Mail Servers

mathdeck.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

mathdeck.com shares mail servers — at least in part — with other domains, including thecountrysportsstore.com, jlineartsandsilks.com, neonwavefestival.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com resolves to two addresses: 173.194.45.27 and 2607:f8b0:4004:c1f::1a.

alt1.aspmx.l.google.com resolves to two addresses: 172.253.145.26 and 2607:f8b0:4023:3003::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.135.27 and 2607:f8b0:4023:1015::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.