mathnotes.cc - robtex.com

mathnotes.cc

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:cb78🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1651🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.22.81Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.120🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSceleste.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2607🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRceleste.ns.cloudflare.com
A2803:f800:50::6ca2:c207🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRceleste.ns.cloudflare.com
A2a06:98c1:50::ac40:2207🇺🇸 Cloudflare2a06:98c1:50::/45
PTRceleste.ns.cloudflare.com
A108.162.194.7🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRceleste.ns.cloudflare.com
A162.159.38.7Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRceleste.ns.cloudflare.com
A172.64.34.7🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRceleste.ns.cloudflare.com
NSeric.ns.cloudflare.com
A2606:4700:58::adf5:3b70🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A2803:f800:50::6ca2:c170🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTReric.ns.cloudflare.com
A2a06:98c1:50::ac40:2170🇺🇸 Cloudflare2a06:98c1:50::/45
PTReric.ns.cloudflare.com
A108.162.193.112🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A172.64.33.112🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A173.245.59.112🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
MXmail.mathnotes.cc ⭐
A46.62.144.45🇩🇪 Hetzner46.62.128.0/17 HETZNER-DC
PTRmail.mathnotes.cc
TXTv=spf1 mx ra=postmaster -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.22.81, 172.67.203.120
IPv6 hints2606:4700:3033::ac43:cb78, 2606:4700:3034::6815:1651
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=86, name=cloudflare-ech.com
SOAceleste.ns.cloudflare.comdns@cloudflare.com serial=2407232907

cc

DNSSEC🔒 Signed (DS record present)
NSac1.nstld.com ⭐
NSac2.nstld.com
NSac3.nstld.com
NSac4.nstld.com
SOAac1.nstld.cominfo@verisign-grs.com serial=1783231907

PTR for

20.184.147.217.in-addr.arpa

Subdomains

mail.mathnotes.cc

Same first word

mathnotes.net
mathnotes.com
mathnotes.cc
mathnotes.org
mathnotes.us

Similar names

thomasnet.com.au
thomasnet.co
temanhost.com
mattheson.com
tmatheson.com
thomasnet.me
thomasnet.net
themonsta.id.au
stemathon.org
thomasnet.ca
thomasnet.com
stonemath.org
thesonmat.com
thomasnet.de
tantshome.dyndns.org
themontas.com
thomasnet.io
tahmstone.com
thomasnet.com.cn
themonsta.com
thatsonme.net
honestmat.com
natthomes.com
thomasnet.co.uk
mattheson.info
tosthanem.com
hosmatnet.com
thomasnet.org
mathsnote.com
tstoneham.com
mathstone.com
thetomans.com
onthemats.com
thomasnet.info
hnosmatte.cl
thomasnet.fr

DNS History

31 records (7 active, 24 former)

20162017201820192020202120222023202420252026NSceleste.ns.cloudflare.comeric.ns.cloudflare.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.comMXmail.mathnotes.ccalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.commx.zoho.commx2.zoho.commx3.zoho.comA104.21.22.81172.67.203.1202606:4700:3033::ac43:cb782606:4700:3034::6815:1651107.170.49.162217.147.184.202606:4700:3030::ac43:cb782606:4700:3036::6815:165134.66.186.21050.142.232.6176.123.235.87
●NSceleste.ns.cloudflare.com2026-03-16 → 2026-07-05 · 3 obs
○ 2020-02-03 03:04:10
● 2026-03-16 02:45:58
● 2026-07-05 06:42:18
○NSdns1.name-services.com2015-07-26 → 2020-02-03 · 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○NSdns2.name-services.com2015-07-26 → 2020-02-03 · 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○NSdns3.name-services.com2015-07-26 → 2020-02-03 · 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○NSdns4.name-services.com2015-07-26 → 2020-02-03 · 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○NSdns5.name-services.com2015-07-26 → 2020-02-03 · 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
●NSeric.ns.cloudflare.com2026-03-16 → 2026-07-05 · 3 obs
○ 2020-02-03 03:04:10
● 2026-03-16 02:45:58
● 2026-07-05 06:42:18
○NSns-cloud-b1.googledomains.com2026-03-16 → 2026-07-05 · 2 obs
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○NSns-cloud-b2.googledomains.com2026-03-16 → 2026-07-05 · 2 obs
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○NSns-cloud-b3.googledomains.com2026-03-16 → 2026-07-05 · 2 obs
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○NSns-cloud-b4.googledomains.com2026-03-16 → 2026-07-05 · 2 obs
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○MXalt1.aspmx.l.google.com2015-07-26 → 2020-02-03 · 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○MXalt2.aspmx.l.google.com2015-07-26 → 2020-02-03 · 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○MXaspmx.l.google.com2015-07-26 → 2020-02-03 · 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○MXaspmx2.googlemail.com2015-07-26 → 2020-02-03 · 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○MXaspmx3.googlemail.com2015-07-26 → 2020-02-03 · 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
●MXmail.mathnotes.cc2026-05-24 → 2026-07-05 · 3 obs
○ 2026-05-22 06:46:32
● 2026-05-24 04:34:28
● 2026-07-05 06:42:18
○MXmx.zoho.com2026-03-16 → 2026-05-22 · 5 obs
○ 2020-02-03 03:04:10
● 2026-03-16 02:45:58
● 2026-05-22 06:46:32
○ 2026-05-24 04:34:28
○ 2026-07-05 06:42:18
○MXmx2.zoho.com2026-03-16 → 2026-05-22 · 5 obs
○ 2020-02-03 03:04:10
● 2026-03-16 02:45:58
● 2026-05-22 06:46:32
○ 2026-05-24 04:34:28
○ 2026-07-05 06:42:18
○MXmx3.zoho.com2026-03-16 → 2026-05-22 · 5 obs
○ 2020-02-03 03:04:10
● 2026-03-16 02:45:58
● 2026-05-22 06:46:32
○ 2026-05-24 04:34:28
○ 2026-07-05 06:42:18
●A104.21.22.812026-04-24 → 2026-07-05 · 3 obs
○ 2026-03-16 02:45:58
● 2026-04-24 15:01:34
● 2026-07-05 06:42:18
○A107.170.49.1622017-02-17 → 2017-02-17 · 4 obs
○ 2016-07-05 18:18:50
● 2017-02-17 12:35:58
○ 2020-02-03 03:04:10
○ 2026-07-05 06:42:18
●A172.67.203.1202026-04-24 → 2026-07-05 · 3 obs
○ 2026-03-16 02:45:58
● 2026-04-24 15:01:34
● 2026-07-05 06:42:18
○A217.147.184.202026-03-16 → 2026-07-05 · 2 obs
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○A2606:4700:3030::ac43:cb782026-04-24 → 2026-06-17 · 5 obs
○ 2026-03-16 02:45:58
● 2026-04-24 15:01:34
● 2026-06-17 04:59:08
○ 2026-06-24 04:09:56
○ 2026-07-05 06:42:18
●A2606:4700:3033::ac43:cb782026-06-24 → 2026-07-05 · 3 obs
○ 2026-06-17 04:59:08
● 2026-06-24 04:09:56
● 2026-07-05 06:42:18
●A2606:4700:3034::6815:16512026-06-24 → 2026-07-05 · 3 obs
○ 2026-06-17 04:59:08
● 2026-06-24 04:09:56
● 2026-07-05 06:42:18
○A2606:4700:3036::6815:16512026-04-24 → 2026-06-17 · 5 obs
○ 2026-03-16 02:45:58
● 2026-04-24 15:01:34
● 2026-06-17 04:59:08
○ 2026-06-24 04:09:56
○ 2026-07-05 06:42:18
○A34.66.186.2102020-02-03 → 2020-02-03 · 4 obs
○ 2017-02-17 12:35:58
● 2020-02-03 03:04:10
○ 2026-03-16 02:45:58
○ 2026-07-05 06:42:18
○A50.142.232.612015-07-26 → 2015-12-04 · 4 obs
● 2015-07-26 03:04:42
● 2015-12-04 16:19:34
○ 2016-03-08 13:01:06
○ 2026-07-05 06:42:18
○A76.123.235.872016-03-08 → 2016-07-05 · 5 obs
○ 2015-12-04 16:19:34
● 2016-03-08 13:01:06
● 2016-07-05 18:18:50
○ 2017-02-17 12:35:58
○ 2026-07-05 06:42:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ccac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com-
mathnotes.cceric.ns.cloudflare.com, celeste.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.7

NS records: eric.ns.cloudflare.com, celeste.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathnotes.cc (unsigned zone)

⏱️ Timing

Total: 448ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.203.120, 104.21.22.81
AAAA22606:4700:3034::6815:1651, 2606:4700:3033::ac43:cb78
NS2celeste.ns.cloudflare.com, eric.ns.cloudflare.com
MX1mail.mathnotes.cc (pri: 10)
TXT1v=spf1 mx ra=postmaster -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1celeste.ns.cloudflare.com dns.cloudflare

Analysis

Hierarchy

mathnotes.cc is the parent zone for mail.mathnotes.cc.

IP Addresses

mathnotes.cc has four IP addresses: 104.21.22.81, 172.67.203.120, 2606:4700:3033::ac43:cb78 and 2606:4700:3034::6815:1651.

fuliappdown.com, 9ee739737a02.pizzafactory.biz, www.shangwaiwang.com plus two other host names have IP numbers in common with mathnotes.cc.

Name Servers

mathnotes.cc uses two name servers for its delegation: celeste.ns.cloudflare.com and eric.ns.cloudflare.com.

mathnotes.cc has the same name server configuration as other domains like pogonaut.com and goodranchers.com.

mathnotes.cc partially shares its NS delegation with several other domains, including innovativekitchens.com.au, myfiles57498.pages.dev, portblau.com and two others.

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

Hosts with 6 IP addresses each:

Hostname celeste.ns.cloudflare.com directs to 108.162.194.7, 162.159.38.7 and 172.64.34.7 along with 3 other IP addresses.

Hostname eric.ns.cloudflare.com directs to 108.162.193.112, 172.64.33.112 and 173.245.59.112 along with 3 other IP addresses.

Mail Servers

mathnotes.cc uses one mail server — mail.mathnotes.cc.

mail.mathnotes.cc directs to just one IP number, 46.62.144.45.