`calendars-google.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a31f^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:fa3^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.163^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.31^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`betty.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`betty.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`betty.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`betty.ns.cloudflare.com`
		A	108.162.192.75^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`betty.ns.cloudflare.com`
		A	172.64.32.75^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`betty.ns.cloudflare.com`
		A	173.245.58.75^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`betty.ns.cloudflare.com`
NS	`hugh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c175^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hugh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2175^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hugh.ns.cloudflare.com`
		A	108.162.193.117^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	172.64.33.117^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	173.245.59.117^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.163, 172.67.163.31
		IPv6 hints	2606:4700:3030::ac43:a31f, 2606:4700:3035::6815:fa3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=159, name=cloudflare-ech.com
SOA	`betty.ns.cloudflare.com`dns@cloudflare.com serial=2403384600

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778377041

⚠️ On DNS blocklist: light, multi, pro, pro.plus, tif, ultimate

Subdomains

www.calendars-google.com

Same first word

calendars-google.com

DNS History

6 records (6 active, 0 former)

●NSbetty.ns.cloudflare.com2026-05-08 → 2026-05-10 · 2 obs

● 2026-05-08 19:57:32
● 2026-05-10 02:03:00

●NShugh.ns.cloudflare.com2026-05-08 → 2026-05-10 · 2 obs

● 2026-05-08 19:57:32
● 2026-05-10 02:03:00

●A104.21.15.1632026-05-08 → 2026-05-10 · 2 obs

● 2026-05-08 19:57:32
● 2026-05-10 02:03:00

●A172.67.163.312026-05-08 → 2026-05-10 · 2 obs

● 2026-05-08 19:57:32
● 2026-05-10 02:03:00

●A2606:4700:3030::ac43:a31f2026-05-08 → 2026-05-10 · 2 obs

● 2026-05-08 19:57:32
● 2026-05-10 02:03:00

●A2606:4700:3035::6815:fa32026-05-08 → 2026-05-10 · 2 obs

● 2026-05-08 19:57:32
● 2026-05-10 02:03:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
calendars-google.com	hugh.ns.cloudflare.com, betty.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.117

NS records: hugh.ns.cloudflare.com, betty.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calendars-google.com (unsigned zone)

⏱️ Timing

Total: 177ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.15.163, 172.67.163.31`
AAAA	2	`2606:4700:3030::ac43:a31f, 2606:4700:3035::6815:fa3`
NS	2	`betty.ns.cloudflare.com, hugh.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`betty.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.calendars-google.com is a child of calendars-google.com.

IP Addresses

calendars-google.com refers to four IP numbers: 2606:4700:3030::ac43:a31f, 2606:4700:3035::6815:fa3, 104.21.15.163 and 172.67.163.31.

Other host names, for instance jojoos-giris3.net, divinagischer.eu.org, britishopenbetting.com.au, betbet01.com and bosnianpyramids.info share IP numbers with calendars-google.com.

Name Servers

calendars-google.com's delegation uses two name servers: betty.ns.cloudflare.com and hugh.ns.cloudflare.com.

calendars-google.com uses the same name server setup as other domains, such as diamondopenhousesupplies.com, centrera.se, ehlobridge.io, sbect.net and leydelimon.com.

calendars-google.com at least partially shares name servers with other domains, including jrplaton.com, aaclass.com, mmxqfdl.shop, app-baccgame.xyz and 4455vf.com.

These name servers are often used with piotr.ns.cloudflare.com and chan.ns.cloudflare.com.

Host names with six IP numbers:

betty.ns.cloudflare.com points to 2606:4700:50::adf5:3a4b, 2803:f800:50::6ca2:c04b, 2a06:98c1:50::ac40:204b, 108.162.192.75, 172.64.32.75 and 173.245.58.75.

hugh.ns.cloudflare.com points to 2606:4700:58::adf5:3b75, 2803:f800:50::6ca2:c175, 2a06:98c1:50::ac40:2175, 108.162.193.117, 172.64.33.117 and 173.245.59.117.

calendars-google.com - robtex.com