mathnotes.cc - dns.ninja

mathnotes.cc

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:cb78πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3034::6815:1651πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.22.81Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.203.120πŸ‡ΊπŸ‡Έ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSceleste.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2607πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRceleste.ns.cloudflare.com
A2803:f800:50::6ca2:c207πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRceleste.ns.cloudflare.com
A2a06:98c1:50::ac40:2207πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRceleste.ns.cloudflare.com
A108.162.194.7πŸ‡ΊπŸ‡Έ 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
A172.64.34.7πŸ‡ΊπŸ‡Έ 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::adf5:3b70πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A2803:f800:50::6ca2:c170πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTReric.ns.cloudflare.com
A2a06:98c1:50::ac40:2170πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTReric.ns.cloudflare.com
A108.162.193.112πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A172.64.33.112πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A173.245.59.112πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
MXmail.mathnotes.cc ⭐
A46.62.144.45πŸ‡©πŸ‡ͺ Hetzner46.62.128.0/17 HETZNER-DC
PTRmail.mathnotes.cc
TXTv=spf1 mx ra=postmaster -all
HTTPSHTTP/3, HTTP/2 βœ“ 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=23, name=cloudflare-ech.com
SOAceleste.ns.cloudflare.comdns@cloudflare.com serial=2410554607

cc

DNSSECπŸ”’ Signed (DS record present)
NSac1.nstld.com ⭐
NSac2.nstld.com
NSac3.nstld.com
NSac4.nstld.com
SOAac1.nstld.cominfo@verisign-grs.com serial=1785569293

PTR for

Subdomains

Same first word

Similar names

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 β†’ 2026-08-01 Β· 3 obs
β—‹ 2020-02-03 03:04:10
● 2026-03-16 02:45:58
● 2026-08-01 07:34:14
β—‹NSdns1.name-services.com2015-07-26 β†’ 2020-02-03 Β· 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹NSdns2.name-services.com2015-07-26 β†’ 2020-02-03 Β· 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹NSdns3.name-services.com2015-07-26 β†’ 2020-02-03 Β· 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹NSdns4.name-services.com2015-07-26 β†’ 2020-02-03 Β· 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹NSdns5.name-services.com2015-07-26 β†’ 2020-02-03 Β· 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
●NSeric.ns.cloudflare.com2026-03-16 β†’ 2026-08-01 Β· 3 obs
β—‹ 2020-02-03 03:04:10
● 2026-03-16 02:45:58
● 2026-08-01 07:34:14
β—‹NSns-cloud-b1.googledomains.com2026-03-16 β†’ 2026-08-01 Β· 2 obs
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹NSns-cloud-b2.googledomains.com2026-03-16 β†’ 2026-08-01 Β· 2 obs
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹NSns-cloud-b3.googledomains.com2026-03-16 β†’ 2026-08-01 Β· 2 obs
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹NSns-cloud-b4.googledomains.com2026-03-16 β†’ 2026-08-01 Β· 2 obs
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹MXalt1.aspmx.l.google.com2015-07-26 β†’ 2020-02-03 Β· 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹MXalt2.aspmx.l.google.com2015-07-26 β†’ 2020-02-03 Β· 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹MXaspmx.l.google.com2015-07-26 β†’ 2020-02-03 Β· 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹MXaspmx2.googlemail.com2015-07-26 β†’ 2020-02-03 Β· 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹MXaspmx3.googlemail.com2015-07-26 β†’ 2020-02-03 Β· 4 obs
● 2015-07-26 03:04:42
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
●MXmail.mathnotes.cc2026-05-24 β†’ 2026-08-01 Β· 3 obs
β—‹ 2026-05-22 06:46:32
● 2026-05-24 04:34:28
● 2026-08-01 07:34:14
β—‹MXmx.zoho.com2026-03-16 β†’ 2026-05-22 Β· 5 obs
β—‹ 2020-02-03 03:04:10
● 2026-03-16 02:45:58
● 2026-05-22 06:46:32
β—‹ 2026-05-24 04:34:28
β—‹ 2026-08-01 07:34:14
β—‹MXmx2.zoho.com2026-03-16 β†’ 2026-05-22 Β· 5 obs
β—‹ 2020-02-03 03:04:10
● 2026-03-16 02:45:58
● 2026-05-22 06:46:32
β—‹ 2026-05-24 04:34:28
β—‹ 2026-08-01 07:34:14
β—‹MXmx3.zoho.com2026-03-16 β†’ 2026-05-22 Β· 5 obs
β—‹ 2020-02-03 03:04:10
● 2026-03-16 02:45:58
● 2026-05-22 06:46:32
β—‹ 2026-05-24 04:34:28
β—‹ 2026-08-01 07:34:14
●A104.21.22.812026-04-24 β†’ 2026-08-01 Β· 3 obs
β—‹ 2026-03-16 02:45:58
● 2026-04-24 15:01:34
● 2026-08-01 07:34:14
β—‹A107.170.49.1622017-02-17 β†’ 2017-02-17 Β· 4 obs
β—‹ 2016-07-05 18:18:50
● 2017-02-17 12:35:58
β—‹ 2020-02-03 03:04:10
β—‹ 2026-08-01 07:34:14
●A172.67.203.1202026-04-24 β†’ 2026-08-01 Β· 3 obs
β—‹ 2026-03-16 02:45:58
● 2026-04-24 15:01:34
● 2026-08-01 07:34:14
β—‹A217.147.184.202026-03-16 β†’ 2026-08-01 Β· 2 obs
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹A2606:4700:3030::ac43:cb782026-04-24 β†’ 2026-06-17 Β· 5 obs
β—‹ 2026-03-16 02:45:58
● 2026-04-24 15:01:34
● 2026-06-17 04:59:08
β—‹ 2026-06-24 04:09:56
β—‹ 2026-08-01 07:34:14
●A2606:4700:3033::ac43:cb782026-06-24 β†’ 2026-08-01 Β· 3 obs
β—‹ 2026-06-17 04:59:08
● 2026-06-24 04:09:56
● 2026-08-01 07:34:14
●A2606:4700:3034::6815:16512026-06-24 β†’ 2026-08-01 Β· 3 obs
β—‹ 2026-06-17 04:59:08
● 2026-06-24 04:09:56
● 2026-08-01 07:34:14
β—‹A2606:4700:3036::6815:16512026-04-24 β†’ 2026-06-17 Β· 5 obs
β—‹ 2026-03-16 02:45:58
● 2026-04-24 15:01:34
● 2026-06-17 04:59:08
β—‹ 2026-06-24 04:09:56
β—‹ 2026-08-01 07:34:14
β—‹A34.66.186.2102020-02-03 β†’ 2020-02-03 Β· 4 obs
β—‹ 2017-02-17 12:35:58
● 2020-02-03 03:04:10
β—‹ 2026-03-16 02:45:58
β—‹ 2026-08-01 07:34:14
β—‹A50.142.232.612015-07-26 β†’ 2015-12-04 Β· 4 obs
● 2015-07-26 03:04:42
● 2015-12-04 16:19:34
β—‹ 2016-03-08 13:01:06
β—‹ 2026-08-01 07:34:14
β—‹A76.123.235.872016-03-08 β†’ 2016-07-05 Β· 5 obs
β—‹ 2015-12-04 16:19:34
● 2016-03-08 13:01:06
● 2016-07-05 18:18:50
β—‹ 2017-02-17 12:35:58
β—‹ 2026-08-01 07:34:14

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
ccac3.nstld.com, ac4.nstld.com, ac1.nstld.com, ac2.nstld.com-
mathnotes.ccceleste.ns.cloudflare.com, eric.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.194.7

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathnotes.cc (unsigned zone)

⏱️ Timing

Total: 395ms | Queries: -

πŸ“„ 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

mail.mathnotes.cc is delegated beneath mathnotes.cc.

IP Addresses

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

Two other host names, along with fuliappdown.com, 9ee739737a02.pizzafactory.biz and www.shangwaiwang.com, also share IP numbers with mathnotes.cc.

Name Servers

mathnotes.cc has two authoritative name servers β€” celeste.ns.cloudflare.com and eric.ns.cloudflare.com.

mathnotes.cc is delegated to the same name servers as pogonaut.com, goodranchers.com, bitcandlepro.com and royalpine.com, for example.

There is at least partial name server overlap between mathnotes.cc and other domains β€” innovativekitchens.com.au, myfiles57498.pages.dev, portblau.com and two more among them.

These name servers are routinely deployed together with the name servers javier.ns.cloudflare.com.

DNS names with 6 IP addresses:

celeste.ns.cloudflare.com points to 108.162.194.7, 162.159.38.7, 172.64.34.7 and 3 other IP addresses.

eric.ns.cloudflare.com points to 108.162.193.112, 172.64.33.112, 173.245.59.112 and 3 other IP addresses.

Mail Servers

The sole mail server for mathnotes.cc is mail.mathnotes.cc.

mail.mathnotes.cc points to one IP number β€” 46.62.144.45.