caliburn.app - robtex.com

caliburn.app

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:bbfdπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3037::6815:7c3πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.7.195Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.187.253πŸ‡ΊπŸ‡Έ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NShoward.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cabπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
A2803:f800:50::6ca2:c3abπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhoward.ns.cloudflare.com
A2a06:98c1:50::ac40:23abπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRhoward.ns.cloudflare.com
A108.162.195.171πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
A162.159.44.171Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
A172.64.35.171πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
NSnataly.ns.cloudflare.com
A2606:4700:50::a29f:2665πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnataly.ns.cloudflare.com
A2803:f800:50::6ca2:c265πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnataly.ns.cloudflare.com
A2a06:98c1:50::ac40:2265πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRnataly.ns.cloudflare.com
A108.162.194.101πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnataly.ns.cloudflare.com
A162.159.38.101Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnataly.ns.cloudflare.com
A172.64.34.101πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnataly.ns.cloudflare.com
MXinbound-smtp.us-east-1.amazonaws.com ⭐
A3.211.210.226πŸ‡ΊπŸ‡Έ Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-211-210-226.compute-1.amazonaws.com
A44.206.9.87πŸ‡ΊπŸ‡Έ Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-206-9-87.compute-1.amazonaws.com
A44.210.166.32πŸ‡ΊπŸ‡Έ Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-210-166-32.compute-1.amazonaws.com
A54.164.173.191πŸ‡ΊπŸ‡Έ Amazon54.164.0.0/15 EC2 IAD prefix
PTRec2-54-164-173-191.compute-1.amazonaws.com
A54.197.5.236πŸ‡ΊπŸ‡Έ Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-197-5-236.compute-1.amazonaws.com
TXTgoogle-site-verification=Cd78edvhM2USdBJItJfVEDOYNETiksk7BlKdmCxRSV8
TXTv=spf1 include:amazonses.com ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.7.195, 172.67.187.253
IPv6 hints2606:4700:3033::ac43:bbfd, 2606:4700:3037::6815:7c3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=36, name=cloudflare-ech.com
SOAhoward.ns.cloudflare.comdns@cloudflare.com serial=2399214296

app

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=101427
πŸ”’ HSTS Preload (+subdomains)

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NShoward.ns.cloudflare.comnataly.ns.cloudflare.comMXinbound-smtp.us-east-1.amazonaws.comA104.21.7.195172.67.187.2532606:4700:3033::ac43:bbfd2606:4700:3037::6815:7c3
●NShoward.ns.cloudflare.com2026-04-08 β†’ 2026-04-25 Β· 2 obs
● 2026-04-08 23:24:46
● 2026-04-25 07:20:54
●NSnataly.ns.cloudflare.com2026-04-08 β†’ 2026-04-25 Β· 2 obs
● 2026-04-08 23:24:46
● 2026-04-25 07:20:54
●MXinbound-smtp.us-east-1.amazonaws.com2026-04-08 β†’ 2026-04-25 Β· 2 obs
● 2026-04-08 23:24:46
● 2026-04-25 07:20:54
●A104.21.7.1952026-04-08 β†’ 2026-04-25 Β· 2 obs
● 2026-04-08 23:24:46
● 2026-04-25 07:20:54
●A172.67.187.2532026-04-08 β†’ 2026-04-25 Β· 2 obs
● 2026-04-08 23:24:46
● 2026-04-25 07:20:54
●A2606:4700:3033::ac43:bbfd2026-04-08 β†’ 2026-04-25 Β· 2 obs
● 2026-04-08 23:24:46
● 2026-04-25 07:20:54
●A2606:4700:3037::6815:7c32026-04-08 β†’ 2026-04-25 Β· 2 obs
● 2026-04-08 23:24:46
● 2026-04-25 07:20:54

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
appns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
caliburn.apphoward.ns.cloudflare.com, nataly.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.195.171

NS records: howard.ns.cloudflare.com, nataly.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for caliburn.app (unsigned zone)

⏱️ Timing

Total: 601ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.187.253, 104.21.7.195
AAAA22606:4700:3037::6815:7c3, 2606:4700:3033::ac43:bbfd
NS2howard.ns.cloudflare.com, nataly.ns.cloudflare.com
MX1inbound-smtp.us-east-1.amazonaws.com (pr
TXT2google-site-verification=Cd78edvhM2USdBJ, v=spf1 include:amazonses.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1howard.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

caliburn.app points to four IP numbers: 2606:4700:3033::ac43:bbfd, 2606:4700:3037::6815:7c3, 104.21.7.195 and 172.67.187.253.

Other host names, for instance shreeunjhapharmacy.com, jedns.com, visual-ex.com, airjordan.com.de and zejacuexgroup.digital share IP numbers with caliburn.app.

Name Servers

caliburn.app's delegation is to two name servers howard.ns.cloudflare.com and nataly.ns.cloudflare.com.

caliburn.app shares the same name server configuration as other domains, such as stroiplastdon.ru, okta-genie.com, chsalternativo.org, okta-spark.com and duckinboots.com.

caliburn.app at least partially shares its name servers with other domains, for instance clarkedew.com, 201819.com, hdfas.com, luxbridgenode.com and buxo.co.uk.

These name servers are commonly used with isla.ns.cloudflare.com, becky.ns.cloudflare.com and mario.ns.cloudflare.com.

Host names with six IP numbers:

howard.ns.cloudflare.com points to: 2606:4700:58::a29f:2cab, 2803:f800:50::6ca2:c3ab, 2a06:98c1:50::ac40:23ab, 108.162.195.171, 162.159.44.171 and 172.64.35.171.

nataly.ns.cloudflare.com points to: 2606:4700:50::a29f:2665, 2803:f800:50::6ca2:c265, 2a06:98c1:50::ac40:2265, 108.162.194.101, 162.159.38.101 and 172.64.34.101.

Mail Servers

caliburn.app is served by a single mail server, inbound-smtp.us-east-1.amazonaws.com.

caliburn.app uses the same mail server setup as other domains such as myownva.slack.com, propertiesfiji.slack.com, bbuttons.slack.com, cobrofacil.com.pe and clownstrike.net.

caliburn.app shares some mail servers with other domains, including interra.bz, usumbrellas.com, famitra.jp, socifi-doc.atlassian.net and plotbox.atlassian.net.

These mail servers are often used alongside the mail servers inbound-smtp.us-west-2.amazonaws.com.

Host inbound-smtp.us-east-1.amazonaws.com resolves to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.