checkback.dev - dns.ninja
checkback.dev
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::6815:5581πΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:cdbbπΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.85.129Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.205.187πΊπΈ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | julissa.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::a29f:2669πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c269π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2269πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 108.162.194.105πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 162.159.38.105Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 172.64.34.105πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| NS | neil.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bd3πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | neil.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1d3π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | neil.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21d3πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | neil.ns.cloudflare.com | ||||||
| A | 108.162.193.211πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | neil.ns.cloudflare.com | ||||||
| A | 172.64.33.211πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | neil.ns.cloudflare.com | ||||||
| A | 173.245.59.211πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | neil.ns.cloudflare.com | ||||||
| MX | mx2.zoho.com β | ||||||
| A | 204.141.43.44πΊπΈ ZohoAS204.141.42.0/23 Zoho Corporation | ||||||
| PTR | mx2.zoho.com | ||||||
| PTR | mx3.zoho.com | ||||||
| PTR | mx6.zoho.com | ||||||
| PTR | mx7.zoho.com | ||||||
| PTR | mx8.zoho.com | ||||||
| PTR | mx.zoho.com | ||||||
| PTR | mx2.zohomail.com | ||||||
| PTR | mx3.zohomail.com | ||||||
| PTR | mx.zohomail.com | ||||||
| MX | mx3.zoho.com(20) | ||||||
| A | 204.141.43.44πΊπΈ ZohoAS204.141.42.0/23 Zoho Corporation | ||||||
| PTR | mx2.zoho.com | ||||||
| PTR | mx3.zoho.com | ||||||
| PTR | mx6.zoho.com | ||||||
| PTR | mx7.zoho.com | ||||||
| PTR | mx8.zoho.com | ||||||
| PTR | mx.zoho.com | ||||||
| PTR | mx2.zohomail.com | ||||||
| PTR | mx3.zohomail.com | ||||||
| PTR | mx.zohomail.com | ||||||
| MX | mx.zoho.com(50) | ||||||
| A | 204.141.43.44πΊπΈ ZohoAS204.141.42.0/23 Zoho Corporation | ||||||
| PTR | mx2.zoho.com | ||||||
| PTR | mx3.zoho.com | ||||||
| PTR | mx6.zoho.com | ||||||
| PTR | mx7.zoho.com | ||||||
| PTR | mx8.zoho.com | ||||||
| PTR | mx.zoho.com | ||||||
| PTR | mx2.zohomail.com | ||||||
| PTR | mx3.zohomail.com | ||||||
| PTR | mx.zohomail.com | ||||||
| TXT | v=spf1 include:zohomail.com include:spf.resend.com ~all | ||||||
| TXT | zoho-verification=zb44243158.zmverify.zoho.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.85.129, 172.67.205.187 | ||||||
| IPv6 hints | 2606:4700:3030::6815:5581, 2606:4700:3033::ac43:cdbb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com | ||||||
| SOA | julissa.ns.cloudflare.comdns@cloudflare.com serial=2413276785 | ||||||
dev
| DNSSEC | π Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com β | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
checkback.dev |
checkback.ru |
checkback.help |
checkback.io |
checkback.ie |
checkback.uk |
checkback.ink |
checkback.co.uk |
checkback.workers.dev |
checkback.com |
checkback.vn |
checkback.es |
checkback.de |
checkback.org |
Similar names
Previous names
Next names
DNS History
13 records (9 active, 4 former)
βNSjulissa.ns.cloudflare.com2026-09-04 β 2026-09-12 Β· 2 obs
β 2026-09-12 05:28:36
βNSneil.ns.cloudflare.com2026-09-04 β 2026-09-12 Β· 2 obs
β 2026-09-12 05:28:36
βA104.21.85.1292026-09-12 β 2026-09-12 Β· 3 obs
β 2026-09-12 02:54:44
β 2026-09-12 05:28:36
βA172.67.205.1872026-09-12 β 2026-09-12 Β· 3 obs
β 2026-09-12 02:54:44
β 2026-09-12 05:28:36
βA188.114.96.02026-09-04 β 2026-09-04 Β· 3 obs
β 2026-09-12 02:54:44
β 2026-09-12 05:28:36
βA188.114.97.02026-09-04 β 2026-09-04 Β· 3 obs
β 2026-09-12 02:54:44
β 2026-09-12 05:28:36
βA2606:4700:3030::6815:55812026-09-12 β 2026-09-12 Β· 3 obs
β 2026-09-12 02:54:44
β 2026-09-12 05:28:36
βA2606:4700:3033::ac43:cdbb2026-09-12 β 2026-09-12 Β· 3 obs
β 2026-09-12 02:54:44
β 2026-09-12 05:28:36
βA2a06:98c1:3120::2026-09-04 β 2026-09-04 Β· 3 obs
β 2026-09-12 02:54:44
β 2026-09-12 05:28:36
βA2a06:98c1:3121::2026-09-04 β 2026-09-04 Β· 3 obs
β 2026-09-12 02:54:44
β 2026-09-12 05:28:36
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | 10 records |
| checkback.dev | julissa.ns.cloudflare.com, neil.ns.cloudflare.com | - |
β Authoritative Response
Server:173.245.59.211
NS records: julissa.ns.cloudflare.com, neil.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for checkback.dev (unsigned zone)
β±οΈ Timing
Total: 1150ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.85.129, 172.67.205.187 |
| AAAA | 2 | 2606:4700:3033::ac43:cdbb, 2606:4700:3030::6815:5581 |
| NS | 2 | julissa.ns.cloudflare.com, neil.ns.cloudflare.com |
| MX | 3 | mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)... |
| TXT | 2 | v=spf1 include:zohomail.com include:spf., zoho-verification=zb44243158.zmverify.zo |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | julissa.ns.cloudflare.com dns.cloudflare |
π Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
checkback.dev directs to four IP numbers, which are 104.21.85.129, 172.67.205.187, 2606:4700:3030::6815:5581 and 2606:4700:3033::ac43:cdbb.
Among the host names that share IP numbers with checkback.dev are 8pggame-a.com, soylu.web.tr, www.zhuashuo.com and two others.
Name Servers
checkback.dev has two authoritative name servers β julissa.ns.cloudflare.com and neil.ns.cloudflare.com.
checkback.dev has the same name server delegation as a number of other domains, such as mayibiji.com, markkukopponen396.workers.dev, pdlwy.com and two more.
At least some of checkback.dev's name servers are shared with other domains, for example oceanpirogue.com, still-looking-for-name.workers.dev, cristieschaw4dkry.pages.dev and two more.
These name servers tend to be deployed in combination with the name servers amber.ns.cloudflare.com and yew.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
julissa.ns.cloudflare.com points to 108.162.194.105, 162.159.38.105, 172.64.34.105 and 3 other IP addresses.
neil.ns.cloudflare.com points to 108.162.193.211, 172.64.33.211, 173.245.59.211 and 3 other IP addresses.
Mail Servers
The MX records for checkback.dev list three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.
checkback.dev shares at least some of its mail servers with other domains β for example cashtravelhubrdc.com, jordanpguzman.com, in-lord.com and two more.
mx2.zoho.com, mx3.zoho.com and mx.zoho.com all point to the same IP address β 204.141.43.44.
mx2.zoho.com, mx3.zoho.com and mx.zoho.com all direct to 204.141.43.44.