basic-math-explained.com - robtex.com

basic-math-explained.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:8c3a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:26e0🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.224Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.58🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdarwin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdarwin.ns.cloudflare.com
A2803:f800:50::6ca2:c197🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdarwin.ns.cloudflare.com
A2a06:98c1:50::ac40:2197🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdarwin.ns.cloudflare.com
A108.162.193.151🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdarwin.ns.cloudflare.com
A172.64.33.151🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdarwin.ns.cloudflare.com
A173.245.59.151🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdarwin.ns.cloudflare.com
NSgene.ns.cloudflare.com
A2606:4700:50::adf5:3a9e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgene.ns.cloudflare.com
A2803:f800:50::6ca2:c09e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgene.ns.cloudflare.com
A2a06:98c1:50::ac40:209e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgene.ns.cloudflare.com
A108.162.192.158🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgene.ns.cloudflare.com
A172.64.32.158🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgene.ns.cloudflare.com
A173.245.58.158🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgene.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.38.224, 172.67.140.58
IPv6 hints2606:4700:3032::ac43:8c3a, 2606:4700:3036::6815:26e0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com
SOAdarwin.ns.cloudflare.comdns@cloudflare.com serial=2408960472

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786591179

Same first word

basic-math-explained.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSdarwin.ns.cloudflare.comgene.ns.cloudflare.comns1.sitesell.comns2.sitesell.comMXwebmail2.sitebuildit.comA104.21.38.224172.67.140.582606:4700:3032::ac43:8c3a2606:4700:3036::6815:26e0188.114.96.0188.114.97.02606:4700:3033::6815:26e02606:4700:3036::ac43:8c3a2a06:98c1:3120::2a06:98c1:3121::66.43.56.62
●NSdarwin.ns.cloudflare.com2026-03-13 → 2026-08-13 · 3 obs
○ 2017-04-21 08:34:04
● 2026-03-13 17:01:08
● 2026-08-13 03:35:08
●NSgene.ns.cloudflare.com2026-03-13 → 2026-08-13 · 3 obs
○ 2017-04-21 08:34:04
● 2026-03-13 17:01:08
● 2026-08-13 03:35:08
○NSns1.sitesell.com2015-08-31 → 2017-04-21 · 4 obs
● 2015-08-31 22:53:58
● 2017-04-21 08:34:04
○ 2026-03-13 17:01:08
○ 2026-08-13 03:35:08
○NSns2.sitesell.com2015-08-31 → 2017-04-21 · 4 obs
● 2015-08-31 22:53:58
● 2017-04-21 08:34:04
○ 2026-03-13 17:01:08
○ 2026-08-13 03:35:08
○MXwebmail2.sitebuildit.com2015-08-31 → 2017-04-21 · 4 obs
● 2015-08-31 22:53:58
● 2017-04-21 08:34:04
○ 2026-03-13 17:01:08
○ 2026-08-13 03:35:08
●A104.21.38.2242026-03-13 → 2026-08-13 · 6 obs
○ 2017-04-21 08:34:04
● 2026-03-13 17:01:08
● 2026-03-30 10:22:04
○ 2026-04-17 03:33:56
● 2026-05-22 02:48:02
● 2026-08-13 03:35:08
●A172.67.140.582026-03-13 → 2026-08-13 · 6 obs
○ 2017-04-21 08:34:04
● 2026-03-13 17:01:08
● 2026-03-30 10:22:04
○ 2026-04-17 03:33:56
● 2026-05-22 02:48:02
● 2026-08-13 03:35:08
○A188.114.96.02026-04-17 → 2026-04-17 · 4 obs
○ 2026-03-30 10:22:04
● 2026-04-17 03:33:56
○ 2026-05-22 02:48:02
○ 2026-08-13 03:35:08
○A188.114.97.02026-04-17 → 2026-04-17 · 4 obs
○ 2026-03-30 10:22:04
● 2026-04-17 03:33:56
○ 2026-05-22 02:48:02
○ 2026-08-13 03:35:08
●A2606:4700:3032::ac43:8c3a2026-07-23 → 2026-08-13 · 3 obs
○ 2026-06-02 18:54:14
● 2026-07-23 05:05:02
● 2026-08-13 03:35:08
○A2606:4700:3033::6815:26e02026-03-13 → 2026-06-02 · 8 obs
○ 2017-04-21 08:34:04
● 2026-03-13 17:01:08
● 2026-03-30 10:22:04
○ 2026-04-17 03:33:56
● 2026-05-22 02:48:02
● 2026-06-02 18:54:14
○ 2026-07-23 05:05:02
○ 2026-08-13 03:35:08
●A2606:4700:3036::6815:26e02026-07-23 → 2026-08-13 · 3 obs
○ 2026-06-02 18:54:14
● 2026-07-23 05:05:02
● 2026-08-13 03:35:08
○A2606:4700:3036::ac43:8c3a2026-03-13 → 2026-06-02 · 8 obs
○ 2017-04-21 08:34:04
● 2026-03-13 17:01:08
● 2026-03-30 10:22:04
○ 2026-04-17 03:33:56
● 2026-05-22 02:48:02
● 2026-06-02 18:54:14
○ 2026-07-23 05:05:02
○ 2026-08-13 03:35:08
○A2a06:98c1:3120::2026-04-17 → 2026-04-17 · 4 obs
○ 2026-03-30 10:22:04
● 2026-04-17 03:33:56
○ 2026-05-22 02:48:02
○ 2026-08-13 03:35:08
○A2a06:98c1:3121::2026-04-17 → 2026-04-17 · 4 obs
○ 2026-03-30 10:22:04
● 2026-04-17 03:33:56
○ 2026-05-22 02:48:02
○ 2026-08-13 03:35:08
○A66.43.56.622015-08-31 → 2017-04-21 · 4 obs
● 2015-08-31 22:53:58
● 2017-04-21 08:34:04
○ 2026-03-13 17:01:08
○ 2026-08-13 03:35:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...-
basic-math-explained.comgene.ns.cloudflare.com, darwin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.151

NS records: gene.ns.cloudflare.com, darwin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 204ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.140.58, 104.21.38.224
AAAA22606:4700:3032::ac43:8c3a, 2606:4700:3036::6815:26e0
NS2darwin.ns.cloudflare.com, gene.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1darwin.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

basic-math-explained.com has four IP addresses: 104.21.38.224, 172.67.140.58, 2606:4700:3032::ac43:8c3a and 2606:4700:3036::6815:26e0.

Two other host names, along with canalsurpatagonia.cl, marsbahis-live.com and bbtoto-link.xyz, also share IP numbers with basic-math-explained.com.

Name Servers

basic-math-explained.com uses two name servers for its delegation: darwin.ns.cloudflare.com and gene.ns.cloudflare.com.

basic-math-explained.com shares its NS records with other domains, for example hamiltonlawservices.com, acampamentobetania.com.br, nbadleaguefrisco.com and two others.

basic-math-explained.com partially shares its NS delegation with several other domains, including guritygyfo.pro, bnrd.gob.ni, (0x706f726e687562)online.com and two others.

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

DNS names with 6 IP addresses:

Hostname darwin.ns.cloudflare.com directs to 108.162.193.151, 172.64.33.151 and 173.245.59.151 along with 3 other IP addresses.

Hostname gene.ns.cloudflare.com directs to 108.162.192.158, 172.64.32.158 and 173.245.58.158 along with 3 other IP addresses.