mathnotes.cc - dns.ninja
mathnotes.cc
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::ac43:cb78πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:1651πΊπΈ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.22.81Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.203.120πΊπΈ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | celeste.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::a29f:2607πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | celeste.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c207π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | celeste.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2207πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | celeste.ns.cloudflare.com | ||||||
| A | 108.162.194.7πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | celeste.ns.cloudflare.com | ||||||
| A | 162.159.38.7Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | celeste.ns.cloudflare.com | ||||||
| A | 172.64.34.7πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | celeste.ns.cloudflare.com | ||||||
| NS | eric.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b70πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eric.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c170π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | eric.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2170πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | eric.ns.cloudflare.com | ||||||
| A | 108.162.193.112πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eric.ns.cloudflare.com | ||||||
| A | 172.64.33.112πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eric.ns.cloudflare.com | ||||||
| A | 173.245.59.112πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eric.ns.cloudflare.com | ||||||
| MX | mail.mathnotes.cc β | ||||||
| A | 46.62.144.45π©πͺ Hetzner46.62.128.0/17 HETZNER-DC | ||||||
| PTR | mail.mathnotes.cc | ||||||
| TXT | v=spf1 mx ra=postmaster -all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.22.81, 172.67.203.120 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:cb78, 2606:4700:3034::6815:1651 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com | ||||||
| SOA | celeste.ns.cloudflare.comdns@cloudflare.com serial=2410554607 | ||||||
cc
| DNSSEC | π Signed (DS record present) | ||||||
| NS | ac1.nstld.com β | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1785569293 | ||||||
PTR for
Subdomains
mail.mathnotes.cc |
Same first word
Similar names
DNS History
31 records (7 active, 24 former)
βNSceleste.ns.cloudflare.com2026-03-16 β 2026-08-01 Β· 3 obs
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βNSdns1.name-services.com2015-07-26 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βNSdns2.name-services.com2015-07-26 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βNSdns3.name-services.com2015-07-26 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βNSdns4.name-services.com2015-07-26 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βNSdns5.name-services.com2015-07-26 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βNSeric.ns.cloudflare.com2026-03-16 β 2026-08-01 Β· 3 obs
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βNSns-cloud-b1.googledomains.com2026-03-16 β 2026-08-01 Β· 2 obs
β 2026-08-01 07:34:14
βNSns-cloud-b2.googledomains.com2026-03-16 β 2026-08-01 Β· 2 obs
β 2026-08-01 07:34:14
βNSns-cloud-b3.googledomains.com2026-03-16 β 2026-08-01 Β· 2 obs
β 2026-08-01 07:34:14
βNSns-cloud-b4.googledomains.com2026-03-16 β 2026-08-01 Β· 2 obs
β 2026-08-01 07:34:14
βMXalt1.aspmx.l.google.com2015-07-26 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βMXalt2.aspmx.l.google.com2015-07-26 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βMXaspmx.l.google.com2015-07-26 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βMXaspmx2.googlemail.com2015-07-26 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βMXaspmx3.googlemail.com2015-07-26 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βMXmail.mathnotes.cc2026-05-24 β 2026-08-01 Β· 3 obs
β 2026-05-24 04:34:28
β 2026-08-01 07:34:14
βMXmx.zoho.com2026-03-16 β 2026-05-22 Β· 5 obs
β 2026-03-16 02:45:58
β 2026-05-22 06:46:32
β 2026-05-24 04:34:28
β 2026-08-01 07:34:14
βMXmx2.zoho.com2026-03-16 β 2026-05-22 Β· 5 obs
β 2026-03-16 02:45:58
β 2026-05-22 06:46:32
β 2026-05-24 04:34:28
β 2026-08-01 07:34:14
βMXmx3.zoho.com2026-03-16 β 2026-05-22 Β· 5 obs
β 2026-03-16 02:45:58
β 2026-05-22 06:46:32
β 2026-05-24 04:34:28
β 2026-08-01 07:34:14
βA104.21.22.812026-04-24 β 2026-08-01 Β· 3 obs
β 2026-04-24 15:01:34
β 2026-08-01 07:34:14
βA107.170.49.1622017-02-17 β 2017-02-17 Β· 4 obs
β 2017-02-17 12:35:58
β 2020-02-03 03:04:10
β 2026-08-01 07:34:14
βA172.67.203.1202026-04-24 β 2026-08-01 Β· 3 obs
β 2026-04-24 15:01:34
β 2026-08-01 07:34:14
βA217.147.184.202026-03-16 β 2026-08-01 Β· 2 obs
β 2026-08-01 07:34:14
βA2606:4700:3030::ac43:cb782026-04-24 β 2026-06-17 Β· 5 obs
β 2026-04-24 15:01:34
β 2026-06-17 04:59:08
β 2026-06-24 04:09:56
β 2026-08-01 07:34:14
βA2606:4700:3033::ac43:cb782026-06-24 β 2026-08-01 Β· 3 obs
β 2026-06-24 04:09:56
β 2026-08-01 07:34:14
βA2606:4700:3034::6815:16512026-06-24 β 2026-08-01 Β· 3 obs
β 2026-06-24 04:09:56
β 2026-08-01 07:34:14
βA2606:4700:3036::6815:16512026-04-24 β 2026-06-17 Β· 5 obs
β 2026-04-24 15:01:34
β 2026-06-17 04:59:08
β 2026-06-24 04:09:56
β 2026-08-01 07:34:14
βA34.66.186.2102020-02-03 β 2020-02-03 Β· 4 obs
β 2020-02-03 03:04:10
β 2026-03-16 02:45:58
β 2026-08-01 07:34:14
βA50.142.232.612015-07-26 β 2015-12-04 Β· 4 obs
β 2015-12-04 16:19:34
β 2016-03-08 13:01:06
β 2026-08-01 07:34:14
βA76.123.235.872016-03-08 β 2016-07-05 Β· 5 obs
β 2016-03-08 13:01:06
β 2016-07-05 18:18:50
β 2017-02-17 12:35:58
β 2026-08-01 07:34:14
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac3.nstld.com, ac4.nstld.com, ac1.nstld.com, ac2.nstld.com | - |
| mathnotes.cc | celeste.ns.cloudflare.com, eric.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.194.7
NS records: celeste.ns.cloudflare.com, eric.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for mathnotes.cc (unsigned zone)
β±οΈ Timing
Total: 395ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.203.120, 104.21.22.81 |
| AAAA | 2 | 2606:4700:3034::6815:1651, 2606:4700:3033::ac43:cb78 |
| NS | 2 | celeste.ns.cloudflare.com, eric.ns.cloudflare.com |
| MX | 1 | mail.mathnotes.cc (pri: 10) |
| TXT | 1 | v=spf1 mx ra=postmaster -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | celeste.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.