program-check.com - dns.ninja
program-check.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::6815:1085πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:d4baπΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.16.133Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.212.186πΊπΈ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | jaxson.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::a29f:2cddπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jaxson.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3ddπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jaxson.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23ddπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jaxson.ns.cloudflare.com | ||||||
| A | 108.162.195.221πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jaxson.ns.cloudflare.com | ||||||
| A | 162.159.44.221Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jaxson.ns.cloudflare.com | ||||||
| A | 172.64.35.221πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jaxson.ns.cloudflare.com | ||||||
| NS | katelyn.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26ebπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2ebπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22ebπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| A | 108.162.194.235πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| A | 162.159.38.235Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| A | 172.64.34.235πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.16.133, 172.67.212.186 | ||||||
| IPv6 hints | 2606:4700:3033::6815:1085, 2606:4700:3033::ac43:d4ba | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=4, name=cloudflare-ech.com | ||||||
| SOA | jaxson.ns.cloudflare.comdns@cloudflare.com serial=2416109988 | ||||||
com
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.gtld-servers.net β | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1791558709 | ||||||
Same first word
program-check.pages.dev |
program-check.com |
Similar names
Previous names
Next names
DNS History
9 records (6 active, 3 former)
βNSjaxson.ns.cloudflare.com2026-09-13 β 2026-10-09 Β· 3 obs
β 2026-09-13 23:33:42
β 2026-10-09 15:19:54
βNSkatelyn.ns.cloudflare.com2026-09-13 β 2026-10-09 Β· 3 obs
β 2026-09-13 23:33:42
β 2026-10-09 15:19:54
βNSns73.domaincontrol.com2019-12-15 β 2019-12-15 Β· 3 obs
β 2026-09-13 23:33:42
β 2026-10-09 15:19:54
βNSns74.domaincontrol.com2019-12-15 β 2019-12-15 Β· 3 obs
β 2026-09-13 23:33:42
β 2026-10-09 15:19:54
βA104.21.16.1332026-09-13 β 2026-10-09 Β· 3 obs
β 2026-09-13 23:33:42
β 2026-10-09 15:19:54
βA172.67.212.1862026-09-13 β 2026-10-09 Β· 3 obs
β 2026-09-13 23:33:42
β 2026-10-09 15:19:54
βA2606:4700:3033::6815:10852026-09-13 β 2026-10-09 Β· 3 obs
β 2026-09-13 23:33:42
β 2026-10-09 15:19:54
βA2606:4700:3033::ac43:d4ba2026-09-13 β 2026-10-09 Β· 3 obs
β 2026-09-13 23:33:42
β 2026-10-09 15:19:54
βA50.63.202.382019-12-15 β 2019-12-15 Β· 3 obs
β 2026-09-13 23:33:42
β 2026-10-09 15:19:54
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net... | - |
| program-check.com | katelyn.ns.cloudflare.com, jaxson.ns.cloudflare.com | 12 records |
β Authoritative Response
Server:108.162.195.221
NS records: katelyn.ns.cloudflare.com, jaxson.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for program-check.com (unsigned zone)
β±οΈ Timing
Total: 679ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.212.186, 104.21.16.133 |
| AAAA | 2 | 2606:4700:3033::6815:1085, 2606:4700:3033::ac43:d4ba |
| NS | 2 | jaxson.ns.cloudflare.com, katelyn.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jaxson.ns.cloudflare.com dns.cloudflare. |
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (katelyn.ns.cloudflare.com, katelyn.ns.cloudflare.com, katelyn.ns.cloudflare.com...)
Analysis
IP Addresses
program-check.com points to the four IP addresses 104.21.16.133, 172.67.212.186, 2606:4700:3033::6815:1085 and 2606:4700:3033::ac43:d4ba.
todava.io, laindiagold.com.ni, interiorlibrary.mom and two other host names share IP numbers with program-check.com.
Name Servers
program-check.com is delegated to two name servers: jaxson.ns.cloudflare.com and katelyn.ns.cloudflare.com.
program-check.com uses the same name servers as several other domains β among them kandicenewdegateolxi0.pages.dev, fme.edu.kg, 91-clubs.co and two more.
The name servers of program-check.com overlap at least partially with those of other domains β among them 1581010.com, dheshanm-github-io.pages.dev, a76q85ytnp.workers.dev and two more.
These name servers commonly appear alongside the name servers adele.ns.cloudflare.com and monika.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
jaxson.ns.cloudflare.com resolves to 108.162.195.221, 162.159.44.221, 172.64.35.221 and 3 other IP addresses.
katelyn.ns.cloudflare.com resolves to 108.162.194.235, 162.159.38.235, 172.64.34.235 and 3 other IP addresses.