sqlchallenges.io - robtex.com
sqlchallenges.io
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3032::ac43:9fd7πΊπΈ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:4a9aπΊπΈ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.74.154Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.159.215πΊπΈ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | luciane.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::a29f:2678πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | luciane.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c278π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | luciane.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2278πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | luciane.ns.cloudflare.com | ||||||
| A | 108.162.194.120πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | luciane.ns.cloudflare.com | ||||||
| A | 162.159.38.120Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | luciane.ns.cloudflare.com | ||||||
| A | 172.64.34.120πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | luciane.ns.cloudflare.com | ||||||
| NS | tadeo.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cc5πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3c5π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23c5πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| A | 108.162.195.197πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| A | 162.159.44.197Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| A | 172.64.35.197πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| MX | mx.hover.com.cust.hostedemail.com β | ||||||
| A | 216.40.42.4π¨π¦ TUCOWS216.40.32.0/20 Tucows International | ||||||
| PTR | mx.hostedemail.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.74.154, 172.67.159.215 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:9fd7, 2606:4700:3034::6815:4a9a | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=200, name=cloudflare-ech.com | ||||||
| SOA | luciane.ns.cloudflare.comdns@cloudflare.com serial=2413577285 | ||||||
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=1790426177 | ||||||
Same first word
sqlchallenges.io |
Previous names
Next names
DNS History
11 records (7 active, 4 former)
βNSluciane.ns.cloudflare.com2026-09-05 β 2026-09-26 Β· 2 obs
β 2026-09-26 12:52:02
βNStadeo.ns.cloudflare.com2026-09-05 β 2026-09-26 Β· 2 obs
β 2026-09-26 12:52:02
βMXmx.hover.com.cust.hostedemail.com2026-09-05 β 2026-09-26 Β· 2 obs
β 2026-09-26 12:52:02
βA104.21.74.1542026-09-07 β 2026-09-26 Β· 5 obs
β 2026-09-07 13:33:58
β 2026-09-20 22:23:04
β 2026-09-21 15:15:00
β 2026-09-26 12:52:02
βA172.67.159.2152026-09-07 β 2026-09-26 Β· 5 obs
β 2026-09-07 13:33:58
β 2026-09-20 22:23:04
β 2026-09-21 15:15:00
β 2026-09-26 12:52:02
βA188.114.96.02026-09-05 β 2026-09-20 Β· 5 obs
β 2026-09-07 13:33:58
β 2026-09-20 22:23:04
β 2026-09-21 15:15:00
β 2026-09-26 12:52:02
βA188.114.97.02026-09-05 β 2026-09-20 Β· 5 obs
β 2026-09-07 13:33:58
β 2026-09-20 22:23:04
β 2026-09-21 15:15:00
β 2026-09-26 12:52:02
βA2606:4700:3032::ac43:9fd72026-09-07 β 2026-09-26 Β· 5 obs
β 2026-09-07 13:33:58
β 2026-09-20 22:23:04
β 2026-09-21 15:15:00
β 2026-09-26 12:52:02
βA2606:4700:3034::6815:4a9a2026-09-07 β 2026-09-26 Β· 5 obs
β 2026-09-07 13:33:58
β 2026-09-20 22:23:04
β 2026-09-21 15:15:00
β 2026-09-26 12:52:02
βA2a06:98c1:3120::2026-09-05 β 2026-09-20 Β· 5 obs
β 2026-09-07 13:33:58
β 2026-09-20 22:23:04
β 2026-09-21 15:15:00
β 2026-09-26 12:52:02
βA2a06:98c1:3121::2026-09-05 β 2026-09-20 Β· 5 obs
β 2026-09-07 13:33:58
β 2026-09-20 22:23:04
β 2026-09-21 15:15:00
β 2026-09-26 12:52:02
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, c0.nic.io, a0.nic.io, b0.nic.io | - |
| sqlchallenges.io | tadeo.ns.cloudflare.com, luciane.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.195.197
NS records: tadeo.ns.cloudflare.com, luciane.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for sqlchallenges.io (unsigned zone)
β±οΈ Timing
Total: 957ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.74.154, 172.67.159.215 |
| AAAA | 2 | 2606:4700:3034::6815:4a9a, 2606:4700:3032::ac43:9fd7 |
| NS | 2 | luciane.ns.cloudflare.com, tadeo.ns.cloudflare.com |
| MX | 1 | mx.hover.com.cust.hostedemail.com (pri: |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | luciane.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
sqlchallenges.io resolves to four IP addresses: 104.21.74.154, 172.67.159.215, 2606:4700:3032::ac43:9fd7 and 2606:4700:3034::6815:4a9a.
Among the host names that share IP numbers with sqlchallenges.io are mnostrum.capital, jdztyky.com, www.perklabs.io and two others.
Name Servers
sqlchallenges.io is delegated to two name servers: luciane.ns.cloudflare.com and tadeo.ns.cloudflare.com.
sqlchallenges.io has the same name server delegation as a number of other domains, such as site1-6u7.pages.dev, christisking.info, diedc738374ufud.pages.dev and two more.
sqlchallenges.io has at least partial name server overlap with other domains, such as magenta-newbase.pages.dev, watykanskirozbojnik.workers.dev, sosplaque.pages.dev and two others.
It is common to see these name servers used together with name servers jermaine.ns.cloudflare.com and vin.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
luciane.ns.cloudflare.com resolves to 108.162.194.120, 162.159.38.120, 172.64.34.120 and 3 other IP addresses.
tadeo.ns.cloudflare.com resolves to 108.162.195.197, 162.159.44.197, 172.64.35.197 and 3 other IP addresses.
Mail Servers
sqlchallenges.io routes its mail through a single mail server, mx.hover.com.cust.hostedemail.com.
sqlchallenges.io has the same mail server arrangement as a number of other domains, for example barryconlon.com, wovenhealthhospice.org, dlcrouch.com and two more.
The mail servers of sqlchallenges.io are at least partially shared with other domains, including parlourmagazine.com.
mx.hover.com.cust.hostedemail.com resolves to a single IP number: 216.40.42.4.