`calendardc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:51cd^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a44c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.81.205^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.76^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eloise.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26d0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eloise.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eloise.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eloise.ns.cloudflare.com`
		A	108.162.194.208^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eloise.ns.cloudflare.com`
		A	162.159.38.208^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eloise.ns.cloudflare.com`
		A	172.64.34.208^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eloise.ns.cloudflare.com`
NS	`lex.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lex.ns.cloudflare.com`
		A	108.162.193.196^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	172.64.33.196^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	173.245.59.196^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
MX	`calendardc-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
TXT	`MS=ms43537910`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.81.205, 172.67.164.76
		IPv6 hints	2606:4700:3034::6815:51cd, 2606:4700:3036::ac43:a44c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=61, name=cloudflare-ech.com
SOA	`eloise.ns.cloudflare.com`dns@cloudflare.com serial=2408934394

`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=1785209467

Same first word

calendardc.com

Similar names

dccalendar.org

DNS History

14 records (7 active, 7 former)

●NSeloise.ns.cloudflare.com2026-05-30 → 2026-07-28 · 3 obs

○ 2017-09-27 04:25:36
● 2026-05-30 14:12:36
● 2026-07-28 03:33:00

●NSlex.ns.cloudflare.com2026-05-30 → 2026-07-28 · 3 obs

○ 2017-09-27 04:25:36
● 2026-05-30 14:12:36
● 2026-07-28 03:33:00

○NSns1.zonedns.vn2016-12-04 → 2017-09-27 · 4 obs

● 2016-12-04 14:49:34
● 2017-09-27 04:25:36
○ 2026-05-30 14:12:36
○ 2026-07-28 03:33:00

○NSns2.zonedns.vn2016-12-04 → 2017-09-27 · 4 obs

● 2016-12-04 14:49:34
● 2017-09-27 04:25:36
○ 2026-05-30 14:12:36
○ 2026-07-28 03:33:00

○NSns3.zonedns.vn2016-12-04 → 2017-09-27 · 4 obs

● 2016-12-04 14:49:34
● 2017-09-27 04:25:36
○ 2026-05-30 14:12:36
○ 2026-07-28 03:33:00

○NSns4.zonedns.vn2016-12-04 → 2017-09-27 · 4 obs

● 2016-12-04 14:49:34
● 2017-09-27 04:25:36
○ 2026-05-30 14:12:36
○ 2026-07-28 03:33:00

●MXcalendardc-com.mail.protection.outlook.com2026-05-30 → 2026-07-28 · 2 obs

● 2026-05-30 14:12:36
● 2026-07-28 03:33:00

○A103.28.39.292016-12-04 → 2017-09-27 · 4 obs

● 2016-12-04 14:49:34
● 2017-09-27 04:25:36
○ 2026-05-30 14:12:36
○ 2026-07-28 03:33:00

●A104.21.81.2052026-05-30 → 2026-07-28 · 3 obs

○ 2017-09-27 04:25:36
● 2026-05-30 14:12:36
● 2026-07-28 03:33:00

●A172.67.164.762026-05-30 → 2026-07-28 · 3 obs

○ 2017-09-27 04:25:36
● 2026-05-30 14:12:36
● 2026-07-28 03:33:00

○A2606:4700:3033::ac43:a44c2026-05-30 → 2026-06-09 · 4 obs

○ 2017-09-27 04:25:36
● 2026-05-30 14:12:36
● 2026-06-09 02:42:08
○ 2026-07-28 03:33:00

●A2606:4700:3034::6815:51cd2026-07-28 → 2026-07-28 · 2 obs

○ 2026-06-09 02:42:08
● 2026-07-28 03:33:00

○A2606:4700:3036::6815:51cd2026-05-30 → 2026-06-09 · 4 obs

○ 2017-09-27 04:25:36
● 2026-05-30 14:12:36
● 2026-06-09 02:42:08
○ 2026-07-28 03:33:00

●A2606:4700:3036::ac43:a44c2026-07-28 → 2026-07-28 · 2 obs

○ 2026-06-09 02:42:08
● 2026-07-28 03:33:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
calendardc.com	lex.ns.cloudflare.com, eloise.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.196

NS records: lex.ns.cloudflare.com, eloise.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calendardc.com (unsigned zone)

⏱️ Timing

Total: 163ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.81.205, 172.67.164.76`
AAAA	2	`2606:4700:3036::ac43:a44c, 2606:4700:3034::6815:51cd`
NS	2	`eloise.ns.cloudflare.com, lex.ns.cloudflare.com`
MX	1	`calendardc-com.mail.protection.outlook.c`
TXT	2	`MS=ms43537910, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eloise.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

calendardc.com directs to four IP numbers, which are 104.21.81.205, 172.67.164.76, 2606:4700:3034::6815:51cd and 2606:4700:3036::ac43:a44c.

Among the host names that share IP numbers with calendardc.com are www.baird.uk.com, 52291.cn, tallmanpromo.ca and two others.

Name Servers

Two name servers handle the delegation for calendardc.com: eloise.ns.cloudflare.com and lex.ns.cloudflare.com.

calendardc.com has the same name server delegation as a number of other domains, such as ptvamerica.com, indgovtjobs.in.net, hb88.shiksha and two more.

There is at least partial name server overlap between calendardc.com and other domains — partrip.com, metetesisat.com, chemicals1.com and two more among them.

These name servers tend to appear in combination with the name servers erin.ns.cloudflare.com, norman.ns.cloudflare.com, leland.ns.cloudflare.com and mark.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

eloise.ns.cloudflare.com resolves to 108.162.194.208, 162.159.38.208 and 172.64.34.208 among others, with 3 other IP addresses in total.

lex.ns.cloudflare.com resolves to 108.162.193.196, 172.64.33.196 and 173.245.59.196 among others, with 3 other IP addresses in total.

Mail Servers

calendardc.com routes its mail through a single mail server, calendardc-com.mail.protection.outlook.com.

calendardc-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.0, 52.101.68.8 and 52.101.68.15, along with 5 other.

calendardc.com - robtex.com

calendardc.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`calendardc.com`

`com`