mathnotes.cc - dns.ninja
mathnotes.cc
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::ac43:cb78πΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:1651πΊπΈ Cloudflare2606:4700:3036::/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 | 2606:4700:3030::ac43:cb78, 2606:4700:3036::6815:1651 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com | ||||||
| SOA | celeste.ns.cloudflare.comdns@cloudflare.com serial=2405492632 | ||||||
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=1781435729 | ||||||
PTR for
Same first word
Similar names
DNS History
29 records (7 active, 22 former)
βNSceleste.ns.cloudflare.com2026-03-16 β 2026-06-14 Β· 3 obs
β 2026-03-16 02:45:58
β 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
βNSeric.ns.cloudflare.com2026-03-16 β 2026-06-14 Β· 3 obs
β 2026-03-16 02:45:58
β 2026-06-14 11:20:54
βNSns-cloud-b1.googledomains.com2026-03-16 β 2026-06-14 Β· 2 obs
β 2026-06-14 11:20:54
βNSns-cloud-b2.googledomains.com2026-03-16 β 2026-06-14 Β· 2 obs
β 2026-06-14 11:20:54
βNSns-cloud-b3.googledomains.com2026-03-16 β 2026-06-14 Β· 2 obs
β 2026-06-14 11:20:54
βNSns-cloud-b4.googledomains.com2026-03-16 β 2026-06-14 Β· 2 obs
β 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
βMXmail.mathnotes.cc2026-05-24 β 2026-06-14 Β· 3 obs
β 2026-05-24 04:34:28
β 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
βA104.21.22.812026-04-24 β 2026-06-14 Β· 3 obs
β 2026-04-24 15:01:34
β 2026-06-14 11:20:54
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 2026-06-14 11:20:54
βA172.67.203.1202026-04-24 β 2026-06-14 Β· 3 obs
β 2026-04-24 15:01:34
β 2026-06-14 11:20:54
βA217.147.184.202026-03-16 β 2026-06-14 Β· 2 obs
β 2026-06-14 11:20:54
βA2606:4700:3030::ac43:cb782026-04-24 β 2026-06-14 Β· 3 obs
β 2026-04-24 15:01:34
β 2026-06-14 11:20:54
βA2606:4700:3036::6815:16512026-04-24 β 2026-06-14 Β· 3 obs
β 2026-04-24 15:01:34
β 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
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 2026-06-14 11:20:54
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | - |
| mathnotes.cc | celeste.ns.cloudflare.com, eric.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.34.7
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: 366ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.22.81, 172.67.203.120 |
| AAAA | 2 | 2606:4700:3036::6815:1651, 2606:4700:3030::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
IP Addresses
mathnotes.cc points to the four IP addresses 104.21.22.81, 172.67.203.120, 2606:4700:3030::ac43:cb78 and 2606:4700:3036::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 shares the same authoritative DNS setup with other domains, including pogonaut.com and goodranchers.com.
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.