`skill-math.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:42f^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:83a9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.47^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.169^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bristol.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:262f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bristol.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bristol.ns.cloudflare.com`
		A	108.162.194.47^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	162.159.38.47^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	172.64.34.47^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
NS	`patryk.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`patryk.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`patryk.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`patryk.ns.cloudflare.com`
		A	108.162.195.122^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`patryk.ns.cloudflare.com`
		A	162.159.44.122^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`patryk.ns.cloudflare.com`
		A	172.64.35.122^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`patryk.ns.cloudflare.com`
MX	`_dc-mx.e5da8b94f3fa.skill-math.com` ⭐
		A	202.157.175.53^{🇸🇬 ICONZ-WEBVISIONS-AP202.157.168.0/21 Iconz-Webvisions Pte. Ltd. 3 Kim Chuan Lane 08-03}
			PTR	`telin.bennykusman.com`
TXT	`v=spf1 ip4:202.157.175.53 +a +mx +include:servers.mcsv.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.47, 172.67.131.169
		IPv6 hints	2606:4700:3032::6815:42f, 2606:4700:3035::ac43:83a9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=231, name=cloudflare-ech.com
SOA	`bristol.ns.cloudflare.com`dns@cloudflare.com serial=2403958311

`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=1778522431

Previously MX for

skill-math.com

Same first word

skill-math.com

DNS History

11 records (7 active, 4 former)

●NSbristol.ns.cloudflare.com2026-03-24 → 2026-05-11 · 3 obs

○ 2017-08-06 11:41:02
● 2026-03-24 06:32:06
● 2026-05-11 18:15:00

○NSns1.bennykusman.com2016-12-14 → 2017-08-06 · 4 obs

● 2016-12-14 00:02:56
● 2017-08-06 11:41:02
○ 2026-03-24 06:32:06
○ 2026-05-11 18:15:00

○NSns2.bennykusman.com2016-12-14 → 2017-08-06 · 4 obs

● 2016-12-14 00:02:56
● 2017-08-06 11:41:02
○ 2026-03-24 06:32:06
○ 2026-05-11 18:15:00

●NSpatryk.ns.cloudflare.com2026-03-24 → 2026-05-11 · 3 obs

○ 2017-08-06 11:41:02
● 2026-03-24 06:32:06
● 2026-05-11 18:15:00

●MX_dc-mx.e5da8b94f3fa.skill-math.com2026-03-24 → 2026-05-11 · 3 obs

○ 2017-08-06 11:41:02
● 2026-03-24 06:32:06
● 2026-05-11 18:15:00

○MXskill-math.com2016-12-14 → 2017-08-06 · 4 obs

● 2016-12-14 00:02:56
● 2017-08-06 11:41:02
○ 2026-03-24 06:32:06
○ 2026-05-11 18:15:00

○A103.9.100.312016-12-14 → 2017-08-06 · 4 obs

● 2016-12-14 00:02:56
● 2017-08-06 11:41:02
○ 2026-03-24 06:32:06
○ 2026-05-11 18:15:00

●A104.21.4.472026-03-24 → 2026-05-11 · 3 obs

○ 2017-08-06 11:41:02
● 2026-03-24 06:32:06
● 2026-05-11 18:15:00

●A172.67.131.1692026-03-24 → 2026-05-11 · 3 obs

○ 2017-08-06 11:41:02
● 2026-03-24 06:32:06
● 2026-05-11 18:15:00

●A2606:4700:3032::6815:42f2026-03-24 → 2026-05-11 · 3 obs

○ 2017-08-06 11:41:02
● 2026-03-24 06:32:06
● 2026-05-11 18:15:00

●A2606:4700:3035::ac43:83a92026-03-24 → 2026-05-11 · 3 obs

○ 2017-08-06 11:41:02
● 2026-03-24 06:32:06
● 2026-05-11 18:15:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
skill-math.com	bristol.ns.cloudflare.com, patryk.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.47

NS records: bristol.ns.cloudflare.com, patryk.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for skill-math.com (unsigned zone)

⏱️ Timing

Total: 178ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.169, 104.21.4.47`
AAAA	2	`2606:4700:3035::ac43:83a9, 2606:4700:3032::6815:42f`
NS	2	`bristol.ns.cloudflare.com, patryk.ns.cloudflare.com`
MX	1	`_dc-mx.e5da8b94f3fa.skill-math.com (pri:`
TXT	1	`v=spf1 ip4:202.157.175.53 +a +mx +includ`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bristol.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (bristol.ns.cloudflare.com, bristol.ns.cloudflare.com, bristol.ns.cloudflare.com...)

Analysis

IP Addresses

skill-math.com resolves to four IPs: 2606:4700:3032::6815:42f, 2606:4700:3035::ac43:83a9, 104.21.4.47 and 172.67.131.169.

Other host names, for instance megasharesvn.com, 0951c.com, hotlive75.com, missav-ok.com and stellarjackpotdaily.com share IP numbers with skill-math.com.

Name Servers

skill-math.com has two name servers: bristol.ns.cloudflare.com and patryk.ns.cloudflare.com.

skill-math.com shares the same name server setup as other domains, for example heroescopsandkids.org, an.ck.ua, seaglassresorts.com, genmed.com.br and boncoddo.com.

skill-math.com shares some name servers with other domains, for example babbalu.com, red-mir-kz-spinwin.life, godpowerssolar.com, yidianlai.com and nasa.org.pl.

These name servers are commonly used alongside chloe.ns.cloudflare.com, dakota.ns.cloudflare.com, jocelyn.ns.cloudflare.com and lewis.ns.cloudflare.com.

Host names with six IP numbers: bristol.ns.cloudflare.com points to: 2606:4700:50::a29f:262f, 2803:f800:50::6ca2:c22f, 2a06:98c1:50::ac40:222f, 108.162.194.47, 162.159.38.47 and 172.64.34.47; patryk.ns.cloudflare.com points to: 2606:4700:58::a29f:2c7a, 2803:f800:50::6ca2:c37a, 2a06:98c1:50::ac40:237a, 108.162.195.122, 162.159.44.122 and 172.64.35.122.

Mail Servers

skill-math.com is handled by a single mail server, _dc-mx.e5da8b94f3fa.skill-math.com.

Host name _dc-mx.e5da8b94f3fa.skill-math.com points to IP 202.157.175.53.

skill-math.com - robtex.com

skill-math.com

com

Previously MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`skill-math.com`

`com`