code-block.io - dns.ninja
code-block.io
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::ac43:85b6πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:e0aπΊπΈ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.14.10Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.133.182πΊπΈ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | burt.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3b4fπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | burt.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c14fπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | burt.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:214fπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | burt.ns.cloudflare.com | ||||||
| A | 108.162.193.79πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | burt.ns.cloudflare.com | ||||||
| A | 172.64.33.79πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | burt.ns.cloudflare.com | ||||||
| A | 173.245.59.79πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | burt.ns.cloudflare.com | ||||||
| NS | cortney.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a57πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c057π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2057πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 108.162.192.87πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 172.64.32.87πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 173.245.58.87πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| MX | aspmx.daum.net β | ||||||
| A | 121.53.85.23π°π· KAKAO-AY1121.53.80.0/21 Kakao | ||||||
| MX | alt.aspmx.daum.net(20) | ||||||
| A | 121.53.85.23π°π· KAKAO-AY1121.53.80.0/21 Kakao | ||||||
| TXT | google-site-verification=DpXNyEBe1ZOh5_KcbR6eLgNDjyv6t8uq6sdoTVXPMgc | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.14.10, 172.67.133.182 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:85b6, 2606:4700:3037::6815:e0a | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com | ||||||
| SOA | burt.ns.cloudflare.comdns@cloudflare.com serial=2414914875 | ||||||
io
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a0.nic.io β | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1790937953 | ||||||
Same first word
code-block.com |
code-block.io |
code-block.co.kr |
Similar names
Previous names
Next names
DNS History
8 records (8 active, 0 former)
βNSburt.ns.cloudflare.com2026-09-21 β 2026-10-02 Β· 2 obs
β 2026-10-02 10:57:26
βNScortney.ns.cloudflare.com2026-09-21 β 2026-10-02 Β· 2 obs
β 2026-10-02 10:57:26
βMXalt.aspmx.daum.net2026-09-21 β 2026-10-02 Β· 2 obs
β 2026-10-02 10:57:26
βA104.21.14.102026-09-21 β 2026-10-02 Β· 2 obs
β 2026-10-02 10:57:26
βA172.67.133.1822026-09-21 β 2026-10-02 Β· 2 obs
β 2026-10-02 10:57:26
βA2606:4700:3033::ac43:85b62026-09-21 β 2026-10-02 Β· 2 obs
β 2026-10-02 10:57:26
βA2606:4700:3037::6815:e0a2026-09-21 β 2026-10-02 Β· 2 obs
β 2026-10-02 10:57:26
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io | - |
| code-block.io | burt.ns.cloudflare.com, cortney.ns.cloudflare.com | - |
β Authoritative Response
Server:173.245.59.79
NS records: burt.ns.cloudflare.com, cortney.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for code-block.io (unsigned zone)
β±οΈ Timing
Total: 876ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.14.10, 172.67.133.182 |
| AAAA | 2 | 2606:4700:3033::ac43:85b6, 2606:4700:3037::6815:e0a |
| NS | 2 | burt.ns.cloudflare.com, cortney.ns.cloudflare.com |
| MX | 2 | aspmx.daum.net (pri: 10), alt.aspmx.daum.net (pri: 20) |
| TXT | 1 | google-site-verification=DpXNyEBe1ZOh5_K |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | burt.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
code-block.io directs to four IP numbers, which are 104.21.14.10, 172.67.133.182, 2606:4700:3033::ac43:85b6 and 2606:4700:3037::6815:e0a.
Two other host names, along with 8k2066u.buzz, uscoinlist.com and dinho.me, also share IP numbers with code-block.io.
Name Servers
The NS records for code-block.io delegate to burt.ns.cloudflare.com and cortney.ns.cloudflare.com.
code-block.io shares its NS records with other domains, for example studio-gzkm-website-cms.pages.dev, gageterra.com, beschlageeisenwaren.com and two others.
There is at least partial name server overlap between code-block.io and other domains β everypennyup.com, corvusroboticsflow.com, soda.co.il and two more among them.
These name servers frequently co-occur with the name servers rafe.ns.cloudflare.com and simon.ns.cloudflare.com.
DNS names with 6 IP addresses:
burt.ns.cloudflare.com maps to 108.162.193.79, 172.64.33.79, 173.245.59.79 and 3 additional IP addresses.
cortney.ns.cloudflare.com maps to 108.162.192.87, 172.64.32.87, 173.245.58.87 and 3 additional IP addresses.
Mail Servers
code-block.io is served by two mail servers, aspmx.daum.net and alt.aspmx.daum.net.
Among the domains sharing a mail server setup with code-block.io are cjstory.net, myhundred.co.kr, rcbank.co.kr and two others.
There is at least a partial MX overlap between code-block.io and other domains, including 192humanity.com, edufi.co.kr, onlmenu.com and two others.
Each of aspmx.daum.net and alt.aspmx.daum.net points to exactly one IP address: 121.53.85.23.
aspmx.daum.net and alt.aspmx.daum.net each have 121.53.85.23 IP addresses.