dev.calendly.com - dns.ninja

`dev.calendly.com`

DNSSEC	⚠️ Not signed
NS	`aliza.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2637^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aliza.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c237^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aliza.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2237^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aliza.ns.cloudflare.com`
		A	108.162.194.55^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aliza.ns.cloudflare.com`
		A	162.159.38.55^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aliza.ns.cloudflare.com`
		A	172.64.34.55^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aliza.ns.cloudflare.com`
NS	`art.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c166^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`art.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2166^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`art.ns.cloudflare.com`
		A	108.162.193.102^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	172.64.33.102^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	173.245.59.102^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
SOA	`aliza.ns.cloudflare.com`dns@cloudflare.com serial=2406791351

`calendly.com`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:4403::ac40:9251^{🇺🇸 Cloudflare2606:4700:4403::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:440d::6812:29af^{🇺🇸 Cloudflare2606:4700:440d::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.41.175^{Cloudflare104.18.41.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.146.81^{🇺🇸 Cloudflare172.64.146.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hope.ns.cloudflare.com` ⭐
NS	`roan.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
MX	`aspmx2.googlemail.com`⁽³⁰⁾
MX	`aspmx3.googlemail.com`⁽³⁰⁾
TXT	`06FB0F4CCD`
TXT	`MS=ms26783193`
TXT	`MS=ms75363840`
TXT	`MS=ms75932089`
TXT	`TAILSCALE-nNYYC0vC9TISAvboCaQA`
TXT	`adobe-idp-site-verification=db378e2b6b1fbb203e2fa8efb4daacdd0b5837d143bd00202...`
TXT	`apple-domain-verification=eAu2dlDrzmPvVHPg`
TXT	`atlassian-domain-verification=HeV4orUbu8ZU/Et3BdlguiFnoc5TqgI5owEFFTeBLYX6Lc6...`
TXT	`box-domain-verification=a9f4a950cfdfd3b9cea802a96528ccffbff61184fbb8363037b8c...`
TXT	`calendly-site-verification=JLJojO5SGco45xeUJrgD30rJACtPP9JsvM1TDRUSa`
TXT	`carta-domain-verification-p6kprv=Hf8pYNQgbK7i64r9SjTorb0sB`
TXT	`citrix-verification-code=ecbbb3b7-9c8c-4b46-81a7-ecd2c6ff42b9`
TXT	`cursor-domain-verification-tdtnd4=i4bl9JEOFE1VOQbkiMkpIfGQZ`
TXT	`docusign=26d57faa-4bf8-45cd-866b-a36fdf86e214`
TXT	`doit-verify295235`
TXT	`ePwEbxX6T8GLeUY2`
TXT	`facebook-domain-verification=oiiy3kxhh6i3mzo3tecoolwkzpsqos`
TXT	`google-site-verification=0W2XISvsFG0b1de6rAJqnGOZpeyHioDOc0fCPpkcga0`
TXT	`google-site-verification=4IlbzuraJEuEWHXSF1ealAXGwgl-01bcFI9b6KiPrzw`
TXT	`google-site-verification=A_dMlj5RIS-42bZbR1vzM__GBhqE_l-CNAt4kHL39K8`
TXT	`google-site-verification=CT9vkalOAxTSSlMkSYuif3PPR9IfW9wOMDYCpHV8-pQ`
TXT	`google-site-verification=D6kljg6Ozbxz7wkQHTu9bBD58dH48qXc8jbrSvdix20`
TXT	`google-site-verification=cDMxTqEGKRREjpULRkV3kxo9fUh9AAOy68UKi-sWFDA`
TXT	`google-site-verification=fnhE2QNlMBUWS8UBhCtO4N2xU1Hv5Baq_nAGRKrDOS8`
TXT	`google-site-verification=l9ghJl2k5pCmyzxgB-u7zk1WdLHRxZ8Gev7eo7j6tlw`
TXT	`google-site-verification=spiNl55E3iYMilE9lM2OB67FTeyJVzNJdYsr8YreMiE`
TXT	`google-site-verification=vvI2V5xXtswv19eoBHMvUfLriiS1W3uTeOrHdusW3AI`
TXT	`h1-domain-verification=jcUKHuDrikH5HZfj3S3op6kzWDJLgLg3d7pmxsKGupBKUPm1`
TXT	`hubspot-developer-verification=MDZjM2Q5Y2QtYjIxOS00ZTllLWIzYzEtMzI2YzYwZTQxY2My`
TXT	`jamf-site-verification=iYyCRUNw7_AXFUC7zaLiFw`
TXT	`jetbrains-domain-verification=1k4crjxnjx7wtlhja236t8jcn`
TXT	`logmein-verification-code=b644b816-e7f4-45df-8215-6ba8db765fe9`
TXT	`loom-site-verification=dfbd3882de7e42d39aa63ac12d8f403e`
TXT	`miro-verification=c546481c526d7d0fca4b0def39a0700eeb64f077`
TXT	`onetrust-domain-verification=0bf92d345265462eb0a4ad38c7b55188`
TXT	`openai-domain-verification=dv-60PIOwHK0eRDfc2VpmSJ3XY3`
TXT	`parallels-domain-verification=25c15af2f44f426fa520c0f140c5f3b884327a61390a439...`
TXT	`pardot906932=62a94517bea65a4a146e19a380714f589e54114888b639e208605e1b6b445f47`
TXT	`pardot906932=75d30f44d6d6e89f6ea5ce36bff2d547056f93c17f7034160851f23f09a2448a`
TXT	`pardot906932=d83df604fb40dd187d6c3def3b29591478a195def3dd9223df3d64f3fbabfd0c`
TXT	`pardot986361=84e628bbfec0a11d5baf3b0d9631a46a0e5f6801076cfc694ca8631fc86ee0b2`
TXT	`pendo-domain-verification=4dace321-4517-49a6-b51a-ec3478a24002`
TXT	`postman-domain-verification=987281567d45964ffbd83330939d1731ef9199ac6408ad6a6...`
TXT	`qase-ca7eb2da8082aef5bed402accf262d2bca41fd30`
TXT	`slack-domain-verification=025CLyam48F5ppYztUuMl2Ue4prf01SVmyM06BYy`
TXT	`stripe-verification=7708116a2a258908ad3dde9ebc9ab342c43b7000f582962f69a7fdcab...`
TXT	`uber-domain-verification=7898f9ad-15df-4820-b779-92b2bec7858b`
TXT	`v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:_spf.google.c...`
TXT	`zoom-domain-verification = afd6de76-b579-11ee-a506-0242ac120002`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.41.175, 172.64.146.81
		IPv6 hints	2606:4700:4403::ac40:9251, 2606:4700:440d::6812:29af
SOA	`hope.ns.cloudflare.com`dns@cloudflare.com serial=2408352156

WOT: SAFE (61/100)
rank #140 globally
rank #90 in the tld

calendly.com

calendly.comis the official website of Calendly, a cloud-based scheduling automation platform designed to simplify the booking of appointments and meetings. The service and domain are operated by Calendly, LLC.

Key facts

Owner / operator: Calendly, LLC
TLD:.com— gTLD
Primary purpose: corporate website and scheduling platform
Status: active

History

Year	Event
2013	Founded by Tope Awotona in Atlanta, Georgia.
2021	Raised $350 million in funding, achieving a valuation of $3 billion.
2022	Acquired Prelude to expand scheduling workflows for recruiting.

🔒 HSTS Preload (+subdomains)
Semrush Rank:#5,128 Keywords:99,870 Traffic:470,539/mo
WOT: SAFE (65/100)
📈 Tranco rank: #372

Calendly - Online Scheduling Platform

Calendly is a leading online appointment scheduling software that eliminates the back-and-forth of finding meeting times. Users share their Calendly link, and invitees can book available time slots directly from their calendar. The platform serves millions of users worldwide, from individual professionals to enterprise teams.

Key Features

Automated scheduling - Syncs with Google, Outlook, Office 365, and iCloud calendars
Customizable availability - Set buffer times, meeting limits, and working hours
Team scheduling - Round-robin assignments, collective meetings, and pooled availability
Integrations - Connects with Zoom, Salesforce, HubSpot, Slack, and 100+ other tools
Workflow automation - Automated reminders, follow-ups, and routing

Company Background

Founded in 2013, Calendly reached a $3 billion+ valuation by 2021. The company has expanded beyond simple scheduling into a broader platform, acquiring Prelude in 2022 to enhance recruiting capabilities. Calendly competes with scheduling features from Zoom, Google, Microsoft, and newer entrants like Supercal.

Technical Infrastructure

Type	Details
DNS	Cloudflare (hope.ns.cloudflare.com, roan.ns.cloudflare.com)
CDN/Hosting	Cloudflare
IPv4	104.18.41.175, 172.64.146.81
IPv6	2606:4700:4402::6812:29af, 2a06:98c1:3107::ac40:9251
Email	Google Workspace (aspmx.l.google.com)
DNSSEC	Signed and validated
Global Rank	#148 (Tranco #420)

Subdomains

dev2-fleet.dev.calendly.com

dev1.dev.calendly.com

Same first word

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dev.tatar

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Similar names

dev.org.pk

dev.domains

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vde.nu

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dve.kz

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edv.st

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vde.com.ua

dev.rw

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dev.com.ua

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dev.to

vde.com.mx

edv.eu

vde.it

dve.be

dev.report

edv.hu

dev.org.es

dve.by

edv.expert

DNS History

2 records (2 active, 0 former)

●NSaliza.ns.cloudflare.com2026-02-16 → 2026-07-01 · 2 obs

● 2026-02-16 10:55:44
● 2026-07-01 08:57:20

●NSart.ns.cloudflare.com2026-02-16 → 2026-07-01 · 2 obs

● 2026-02-16 10:55:44
● 2026-07-01 08:57:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
calendly.com	hope.ns.cloudflare.com, roan.ns.cloudflare.com	12 records
dev.calendly.com	aliza.ns.cloudflare.com, art.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.55

NS records: aliza.ns.cloudflare.com, art.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dev.calendly.com (unsigned zone)

⏱️ Timing

Total: 341ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`aliza.ns.cloudflare.com, art.ns.cloudflare.com`
SOA	1	`aliza.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (hope.ns.cloudflare.com, hope.ns.cloudflare.com, hope.ns.cloudflare.com...)

Analysis

Hierarchy

The parent domain of dev2-fleet.dev.calendly.com and dev1.dev.calendly.com is dev.calendly.com.

Name Servers

dev.calendly.com is served by two delegated name servers, aliza.ns.cloudflare.com and art.ns.cloudflare.com.

dev.calendly.com has the same name server delegation as a number of other domains, such as crescent.education, secure-reconnect-gateway.online, brazao.org and two more.

There is at least partial name server overlap between dev.calendly.com and other domains — la-isha.com, inputs.com.au, webmaniacos.com and two more among them.

These name servers frequently co-occur with the name servers kate.ns.cloudflare.com and gannon.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

aliza.ns.cloudflare.com carries IP addresses 108.162.194.55, 162.159.38.55 and 172.64.34.55, with 3 other addresses beyond those.

art.ns.cloudflare.com carries IP addresses 108.162.193.102, 172.64.33.102 and 173.245.59.102, with 3 other addresses beyond those.