markcalendar.io - robtex.com

markcalendar.io

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5735🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:8de4🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.87.53Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.141.228🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnaomi.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ad0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnaomi.ns.cloudflare.com
A2803:f800:50::6ca2:c0d0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnaomi.ns.cloudflare.com
A2a06:98c1:50::ac40:20d0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnaomi.ns.cloudflare.com
A108.162.192.208🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnaomi.ns.cloudflare.com
A172.64.32.208🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnaomi.ns.cloudflare.com
A173.245.58.208🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnaomi.ns.cloudflare.com
NSyew.ns.cloudflare.com
A2606:4700:58::a29f:2c50🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyew.ns.cloudflare.com
A2803:f800:50::6ca2:c350🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRyew.ns.cloudflare.com
A2a06:98c1:50::ac40:2350🇺🇸 Cloudflare2a06:98c1:50::/45
PTRyew.ns.cloudflare.com
A108.162.195.80🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyew.ns.cloudflare.com
A162.159.44.80Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyew.ns.cloudflare.com
A172.64.35.80🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyew.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.87.53, 172.67.141.228
IPv6 hints2606:4700:3031::6815:5735, 2606:4700:3031::ac43:8de4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=52, name=cloudflare-ech.com
SOAnaomi.ns.cloudflare.comdns@cloudflare.com serial=2410827284

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1785350025

Same first word

markcalendar.io

Similar names

landmarkcare.com

DNS History

17 records (6 active, 11 former)

201820192020202120222023202420252026NSnaomi.ns.cloudflare.comyew.ns.cloudflare.comclark.ns.cloudflare.commary.ns.cloudflare.comA104.21.87.53172.67.141.2282606:4700:3031::6815:57352606:4700:3031::ac43:8de4104.27.166.72104.27.167.72188.114.96.0188.114.97.02400:cb00:2048:1::681b:a6482400:cb00:2048:1::681b:a7482606:4700:3034::6815:57352a06:98c1:3120::2a06:98c1:3121::
○NSclark.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:02:50
○ 2019-12-23 20:45:14
○ 2026-07-29 18:54:56
○NSmary.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:02:50
○ 2019-12-23 20:45:14
○ 2026-07-29 18:54:56
●NSnaomi.ns.cloudflare.com2026-06-03 → 2026-07-29 · 3 obs
○ 2019-12-23 20:45:14
● 2026-06-03 22:52:34
● 2026-07-29 18:54:56
●NSyew.ns.cloudflare.com2026-06-03 → 2026-07-29 · 3 obs
○ 2019-12-23 20:45:14
● 2026-06-03 22:52:34
● 2026-07-29 18:54:56
●A104.21.87.532026-06-03 → 2026-07-29 · 4 obs
○ 2019-12-23 20:45:14
● 2026-06-03 22:52:34
○ 2026-07-14 17:53:32
● 2026-07-29 18:54:56
○A104.27.166.722017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:02:50
○ 2019-12-23 20:45:14
○ 2026-07-29 18:54:56
○A104.27.167.722017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:02:50
○ 2019-12-23 20:45:14
○ 2026-07-29 18:54:56
●A172.67.141.2282026-06-03 → 2026-07-29 · 4 obs
○ 2019-12-23 20:45:14
● 2026-06-03 22:52:34
○ 2026-07-14 17:53:32
● 2026-07-29 18:54:56
○A188.114.96.02026-07-14 → 2026-07-14 · 3 obs
○ 2026-06-03 22:52:34
● 2026-07-14 17:53:32
○ 2026-07-29 18:54:56
○A188.114.97.02026-07-14 → 2026-07-14 · 3 obs
○ 2026-06-03 22:52:34
● 2026-07-14 17:53:32
○ 2026-07-29 18:54:56
○A2400:cb00:2048:1::681b:a6482017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:02:50
○ 2019-12-23 20:45:14
○ 2026-07-29 18:54:56
○A2400:cb00:2048:1::681b:a7482017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:02:50
○ 2019-12-23 20:45:14
○ 2026-07-29 18:54:56
●A2606:4700:3031::6815:57352026-07-29 → 2026-07-29 · 2 obs
○ 2026-07-14 17:53:32
● 2026-07-29 18:54:56
●A2606:4700:3031::ac43:8de42026-06-03 → 2026-07-29 · 4 obs
○ 2019-12-23 20:45:14
● 2026-06-03 22:52:34
○ 2026-07-14 17:53:32
● 2026-07-29 18:54:56
○A2606:4700:3034::6815:57352026-06-03 → 2026-06-03 · 4 obs
○ 2019-12-23 20:45:14
● 2026-06-03 22:52:34
○ 2026-07-14 17:53:32
○ 2026-07-29 18:54:56
○A2a06:98c1:3120::2026-07-14 → 2026-07-14 · 3 obs
○ 2026-06-03 22:52:34
● 2026-07-14 17:53:32
○ 2026-07-29 18:54:56
○A2a06:98c1:3121::2026-07-14 → 2026-07-14 · 3 obs
○ 2026-06-03 22:52:34
● 2026-07-14 17:53:32
○ 2026-07-29 18:54:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
markcalendar.ionaomi.ns.cloudflare.com, yew.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.208

NS records: naomi.ns.cloudflare.com, yew.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for markcalendar.io (unsigned zone)

⏱️ Timing

Total: 290ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.87.53, 172.67.141.228
AAAA22606:4700:3031::ac43:8de4, 2606:4700:3031::6815:5735
NS2naomi.ns.cloudflare.com, yew.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1naomi.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

markcalendar.io directs to four IP numbers, which are 104.21.87.53, 172.67.141.228, 2606:4700:3031::6815:5735 and 2606:4700:3031::ac43:8de4.

www.androgynousfashion.com, ruishivsjianadamianfeifenxi.cn, 5kgwyqr9.cn and two other host names share IP numbers with markcalendar.io.

Name Servers

markcalendar.io has two authoritative name servers — naomi.ns.cloudflare.com and yew.ns.cloudflare.com.

markcalendar.io uses the same name servers as several other domains — among them iwin.gifts, tot88o.top, motherhash.io and two more.

There is at least partial name server overlap between markcalendar.io and other domains — themorden.com, aral-lubricants.com.cn, cyberstryke.com and two more among them.

These name servers regularly appear alongside dns1.ednsglobal.net, dns2.ednsglobal.net, dns3.ednsglobal.net and 4 other name servers in NS record sets.

Hostnames that resolve to 6 IP addresses:

naomi.ns.cloudflare.com points to 108.162.192.208, 172.64.32.208, 173.245.58.208 and 3 other IP addresses.

yew.ns.cloudflare.com points to 108.162.195.80, 162.159.44.80, 172.64.35.80 and 3 other IP addresses.