checkback.dev - dns.ninja

πŸ›‘οΈDomain Reputation CheckBlocklist, phishing & malware statusβ†’

checkback.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:5581πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3033::ac43:cdbbπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.85.129Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.205.187πŸ‡ΊπŸ‡Έ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSjulissa.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2669πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjulissa.ns.cloudflare.com
A2803:f800:50::6ca2:c269πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjulissa.ns.cloudflare.com
A2a06:98c1:50::ac40:2269πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRjulissa.ns.cloudflare.com
A108.162.194.105πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjulissa.ns.cloudflare.com
A162.159.38.105Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjulissa.ns.cloudflare.com
A172.64.34.105πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjulissa.ns.cloudflare.com
NSneil.ns.cloudflare.com
A2606:4700:58::adf5:3bd3πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
A2803:f800:50::6ca2:c1d3πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRneil.ns.cloudflare.com
A2a06:98c1:50::ac40:21d3πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRneil.ns.cloudflare.com
A108.162.193.211πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
A172.64.33.211πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
A173.245.59.211πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
MXmx2.zoho.com ⭐
A204.141.43.44πŸ‡ΊπŸ‡Έ ZohoAS204.141.42.0/23 Zoho Corporation
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx6.zoho.com
PTRmx7.zoho.com
PTRmx8.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx3.zoho.com(20)
A204.141.43.44πŸ‡ΊπŸ‡Έ ZohoAS204.141.42.0/23 Zoho Corporation
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx6.zoho.com
PTRmx7.zoho.com
PTRmx8.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx.zoho.com(50)
A204.141.43.44πŸ‡ΊπŸ‡Έ ZohoAS204.141.42.0/23 Zoho Corporation
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx6.zoho.com
PTRmx7.zoho.com
PTRmx8.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
TXTv=spf1 include:zohomail.com include:spf.resend.com ~all
TXTzoho-verification=zb44243158.zmverify.zoho.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.85.129, 172.67.205.187
IPv6 hints2606:4700:3030::6815:5581, 2606:4700:3033::ac43:cdbb
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOAjulissa.ns.cloudflare.comdns@cloudflare.com serial=2413276785

dev

DNSSECπŸ”’ Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
πŸ”’ HSTS Preload (+subdomains)

Same first word

Similar names

Previous names

Next names

DNS History

13 records (9 active, 4 former)

NSjulissa.ns.cloudflare.comneil.ns.cloudflare.comMXmx.zoho.commx2.zoho.commx3.zoho.comA104.21.85.129172.67.205.1872606:4700:3030::6815:55812606:4700:3033::ac43:cdbb188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSjulissa.ns.cloudflare.com2026-09-04 β†’ 2026-09-12 Β· 2 obs
● 2026-09-04 18:14:54
● 2026-09-12 05:28:36
●NSneil.ns.cloudflare.com2026-09-04 β†’ 2026-09-12 Β· 2 obs
● 2026-09-04 18:14:54
● 2026-09-12 05:28:36
●MXmx.zoho.com2026-09-04 β†’ 2026-09-12 Β· 2 obs
● 2026-09-04 18:14:54
● 2026-09-12 05:28:36
●MXmx2.zoho.com2026-09-04 β†’ 2026-09-12 Β· 2 obs
● 2026-09-04 18:14:54
● 2026-09-12 05:28:36
●MXmx3.zoho.com2026-09-04 β†’ 2026-09-12 Β· 2 obs
● 2026-09-04 18:14:54
● 2026-09-12 05:28:36
●A104.21.85.1292026-09-12 β†’ 2026-09-12 Β· 3 obs
β—‹ 2026-09-04 18:14:54
● 2026-09-12 02:54:44
● 2026-09-12 05:28:36
●A172.67.205.1872026-09-12 β†’ 2026-09-12 Β· 3 obs
β—‹ 2026-09-04 18:14:54
● 2026-09-12 02:54:44
● 2026-09-12 05:28:36
β—‹A188.114.96.02026-09-04 β†’ 2026-09-04 Β· 3 obs
● 2026-09-04 18:14:54
β—‹ 2026-09-12 02:54:44
β—‹ 2026-09-12 05:28:36
β—‹A188.114.97.02026-09-04 β†’ 2026-09-04 Β· 3 obs
● 2026-09-04 18:14:54
β—‹ 2026-09-12 02:54:44
β—‹ 2026-09-12 05:28:36
●A2606:4700:3030::6815:55812026-09-12 β†’ 2026-09-12 Β· 3 obs
β—‹ 2026-09-04 18:14:54
● 2026-09-12 02:54:44
● 2026-09-12 05:28:36
●A2606:4700:3033::ac43:cdbb2026-09-12 β†’ 2026-09-12 Β· 3 obs
β—‹ 2026-09-04 18:14:54
● 2026-09-12 02:54:44
● 2026-09-12 05:28:36
β—‹A2a06:98c1:3120::2026-09-04 β†’ 2026-09-04 Β· 3 obs
● 2026-09-04 18:14:54
β—‹ 2026-09-12 02:54:44
β—‹ 2026-09-12 05:28:36
β—‹A2a06:98c1:3121::2026-09-04 β†’ 2026-09-04 Β· 3 obs
● 2026-09-04 18:14:54
β—‹ 2026-09-12 02:54:44
β—‹ 2026-09-12 05:28:36

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...10 records
checkback.devjulissa.ns.cloudflare.com, neil.ns.cloudflare.com-

βœ… Authoritative Response

Server:173.245.59.211

NS records: julissa.ns.cloudflare.com, neil.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkback.dev (unsigned zone)

⏱️ Timing

Total: 1150ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.85.129, 172.67.205.187
AAAA22606:4700:3033::ac43:cdbb, 2606:4700:3030::6815:5581
NS2julissa.ns.cloudflare.com, neil.ns.cloudflare.com
MX3mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...
TXT2v=spf1 include:zohomail.com include:spf., zoho-verification=zb44243158.zmverify.zo
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1julissa.ns.cloudflare.com dns.cloudflare

πŸ“Œ 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.