`availability-calendars.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:55f2^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d48b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.85.242^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.139^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rocky.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3be3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rocky.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rocky.ns.cloudflare.com`
		A	108.162.193.227^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	172.64.33.227^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	173.245.59.227^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
NS	`rosa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosa.ns.cloudflare.com`
		A	108.162.192.228^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
		A	172.64.32.228^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
		A	173.245.58.228^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
MX	`mx1-hosting.jellyfish.systems` ⭐
		A	162.255.118.28^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse3a.privateemail.com`
MX	`mx2-hosting.jellyfish.systems`⁽¹⁰⁾
		A	162.255.118.29^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse2b.privateemail.com`
MX	`mx3-hosting.jellyfish.systems`⁽²⁰⁾
		A	162.255.118.13^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx3-hosting.jellyfish.systems`
TXT	`v=spf1 +a +mx +ip4:192.64.118.67 include:spf.web-hosting.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.85.242, 172.67.212.139
		IPv6	2606:4700:3037::6815:55f2, 2606:4700:3037::ac43:d48b
SOA	`rocky.ns.cloudflare.com`dns@cloudflare.com serial=2395995974

`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=1771291435

Subdomains

www.availability-calendars.com

Same first word

availability-calendars.com

DNS History

24 records (9 active, 15 former)

○NSns-1248.awsdns-28.org2015-08-13 → 2020-02-22 · 5 obs

○ 2008-03-20 04:51:54
● 2015-08-13 06:21:38
● 2020-02-22 09:57:00
○ 2026-02-15 03:41:46
○ 2026-03-23 19:48:50

○NSns-1574.awsdns-04.co.uk2015-08-13 → 2020-02-22 · 5 obs

○ 2008-03-20 04:51:54
● 2015-08-13 06:21:38
● 2020-02-22 09:57:00
○ 2026-02-15 03:41:46
○ 2026-03-23 19:48:50

○NSns-328.awsdns-41.com2015-08-13 → 2020-02-22 · 5 obs

○ 2008-03-20 04:51:54
● 2015-08-13 06:21:38
● 2020-02-22 09:57:00
○ 2026-02-15 03:41:46
○ 2026-03-23 19:48:50

○NSns-975.awsdns-57.net2015-08-13 → 2020-02-22 · 5 obs

○ 2008-03-20 04:51:54
● 2015-08-13 06:21:38
● 2020-02-22 09:57:00
○ 2026-02-15 03:41:46
○ 2026-03-23 19:48:50

●NSrocky.ns.cloudflare.com2026-02-15 → 2026-03-23 · 3 obs

○ 2020-02-22 09:57:00
● 2026-02-15 03:41:46
● 2026-03-23 19:48:50

●NSrosa.ns.cloudflare.com2026-02-15 → 2026-03-23 · 3 obs

○ 2020-02-22 09:57:00
● 2026-02-15 03:41:46
● 2026-03-23 19:48:50

●MXmx1-hosting.jellyfish.systems2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 03:41:46
● 2026-03-23 19:48:50

●MXmx2-hosting.jellyfish.systems2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 03:41:46
● 2026-03-23 19:48:50

●MXmx3-hosting.jellyfish.systems2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 03:41:46
● 2026-03-23 19:48:50

●A104.21.85.2422026-02-15 → 2026-03-23 · 3 obs

○ 2020-02-22 09:57:00
● 2026-02-15 03:41:46
● 2026-03-23 19:48:50

●A172.67.212.1392026-02-15 → 2026-03-23 · 3 obs

○ 2020-02-22 09:57:00
● 2026-02-15 03:41:46
● 2026-03-23 19:48:50

●A2606:4700:3037::6815:55f22026-02-15 → 2026-03-23 · 3 obs

○ 2020-02-22 09:57:00
● 2026-02-15 03:41:46
● 2026-03-23 19:48:50

●A2606:4700:3037::ac43:d48b2026-02-15 → 2026-03-23 · 3 obs

○ 2020-02-22 09:57:00
● 2026-02-15 03:41:46
● 2026-03-23 19:48:50

○A35.166.30.1362017-03-30 → 2017-03-30 · 4 obs

○ 2016-06-17 23:12:18
● 2017-03-30 07:28:04
○ 2020-02-22 09:57:00
○ 2026-03-23 19:48:50

○A52.26.235.1392015-08-13 → 2015-09-06 · 5 obs

○ 2008-03-20 04:51:54
● 2015-08-13 06:21:38
● 2015-09-06 16:51:58
○ 2015-12-11 11:03:20
○ 2026-03-23 19:48:50

○A52.27.208.1052015-08-13 → 2015-09-06 · 5 obs

○ 2008-03-20 04:51:54
● 2015-08-13 06:21:38
● 2015-09-06 16:51:58
○ 2015-12-11 11:03:20
○ 2026-03-23 19:48:50

○A52.27.228.832017-03-30 → 2017-03-30 · 4 obs

○ 2016-06-17 23:12:18
● 2017-03-30 07:28:04
○ 2020-02-22 09:57:00
○ 2026-03-23 19:48:50

○A52.88.134.1762016-06-17 → 2016-06-17 · 4 obs

○ 2015-12-11 11:03:20
● 2016-06-17 23:12:18
○ 2017-03-30 07:28:04
○ 2026-03-23 19:48:50

○A52.89.142.582015-12-11 → 2015-12-11 · 4 obs

○ 2015-09-06 16:51:58
● 2015-12-11 11:03:20
○ 2016-06-17 23:12:18
○ 2026-03-23 19:48:50

○A54.148.30.1522015-12-11 → 2015-12-11 · 4 obs

○ 2015-09-06 16:51:58
● 2015-12-11 11:03:20
○ 2016-06-17 23:12:18
○ 2026-03-23 19:48:50

○A54.148.45.1832016-06-17 → 2016-06-17 · 4 obs

○ 2015-12-11 11:03:20
● 2016-06-17 23:12:18
○ 2017-03-30 07:28:04
○ 2026-03-23 19:48:50

○A54.213.175.1882020-02-22 → 2020-02-22 · 4 obs

○ 2017-03-30 07:28:04
● 2020-02-22 09:57:00
○ 2026-02-15 03:41:46
○ 2026-03-23 19:48:50

○A54.213.19.562020-02-22 → 2020-02-22 · 4 obs

○ 2017-03-30 07:28:04
● 2020-02-22 09:57:00
○ 2026-02-15 03:41:46
○ 2026-03-23 19:48:50

○A63.218.155.2312008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 04:51:54
○ 2015-08-13 06:21:38
○ 2026-03-23 19:48:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
availability-calendars.com	rosa.ns.cloudflare.com, rocky.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.228

NS records: rosa.ns.cloudflare.com, rocky.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 284ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.85.242, 172.67.212.139`
AAAA	2	`2606:4700:3037::6815:55f2, 2606:4700:3037::ac43:d48b`
NS	2	`rocky.ns.cloudflare.com, rosa.ns.cloudflare.com`
MX	3	`mx2-hosting.jellyfish.systems (pri: 10), mx3-hosting.jellyfish.systems (pri: 20)...`
TXT	1	`v=spf1 +a +mx +ip4:192.64.118.67 include`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rocky.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

availability-calendars.com is the parent of www.availability-calendars.com.

IP Addresses

availability-calendars.com resolves to four IPs: 2606:4700:3037::6815:55f2, 2606:4700:3037::ac43:d48b, 104.21.85.242 and 172.67.212.139.

Other host names, for instance sawdustandpaperscraps.com, www.sardinia3d.ru, kentucky(0x736578)book.com, (0x6675636b)bookperu.com and rezvoglar.com share IP numbers with availability-calendars.com.

Name Servers

availability-calendars.com has two name servers: rocky.ns.cloudflare.com and rosa.ns.cloudflare.com.

availability-calendars.com shares the same name server setup as other domains, for example djshem.com, ueni.co, cmcpro.co, stevestaxiservice.com and foamglide.com.

availability-calendars.com shares some name servers with other domains, for example immich.app, ltc-don.net, sparchem.com, 111pdy.com and aspentravel.com.

These name servers are commonly used with the name servers darl.ns.cloudflare.com.

Host names with six IP numbers: rocky.ns.cloudflare.com points to: 2606:4700:58::adf5:3be3, 2803:f800:50::6ca2:c1e3, 2a06:98c1:50::ac40:21e3, 108.162.193.227, 172.64.33.227 and 173.245.59.227; rosa.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae4, 2803:f800:50::6ca2:c0e4, 2a06:98c1:50::ac40:20e4, 108.162.192.228, 172.64.32.228 and 173.245.58.228.

Mail Servers

availability-calendars.com is handled by three mail servers: mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.

availability-calendars.com shares some mail servers with other domains, at least partially; for instance rccgpowerconnectionsleeds.com, fuel-king.com, amateurmating.com, emailbankruptcy.info and sdukos.com.

Host names with a single IP: mx1-hosting.jellyfish.systems points to 162.255.118.28; mx2-hosting.jellyfish.systems points to 162.255.118.29; mx3-hosting.jellyfish.systems points to 162.255.118.13.

availability-calendars.com - robtex.com