masteringmarkdown.com - dns.ninja

masteringmarkdown.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:350🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:827c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.80Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.124🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSasa.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
A2803:f800:50::6ca2:c0f6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRasa.ns.cloudflare.com
A2a06:98c1:50::ac40:20f6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRasa.ns.cloudflare.com
A108.162.192.246🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
A172.64.32.246🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
A173.245.58.246🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
NStim.ns.cloudflare.com
A2606:4700:58::adf5:3b91🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtim.ns.cloudflare.com
A2803:f800:50::6ca2:c191🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtim.ns.cloudflare.com
A2a06:98c1:50::ac40:2191🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtim.ns.cloudflare.com
A108.162.193.145🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtim.ns.cloudflare.com
A172.64.33.145🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtim.ns.cloudflare.com
A173.245.59.145🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtim.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.80, 172.67.130.124
IPv6 hints2606:4700:3035::6815:350, 2606:4700:3037::ac43:827c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOAasa.ns.cloudflare.comdns@cloudflare.com serial=2408824981

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785382957

Same first word

masteringmarkdown.com

DNS History

13 records (6 active, 7 former)

2017201820192020202120222023202420252026NSasa.ns.cloudflare.comtim.ns.cloudflare.comns1.hover.comns2.hover.comMXmx.hover.com.cust.hostedemail.comA104.21.3.80172.67.130.1242606:4700:3035::6815:3502606:4700:3037::ac43:827c104.131.35.1632606:4700:3030::ac43:827c2606:4700:3033::6815:35050.87.140.122
●NSasa.ns.cloudflare.com2026-02-15 → 2026-07-30 · 3 obs
○ 2017-09-30 23:17:56
● 2026-02-15 22:55:08
● 2026-07-30 04:00:12
○NSns1.hover.com2016-12-15 → 2017-09-30 · 4 obs
● 2016-12-15 22:20:20
● 2017-09-30 23:17:56
○ 2026-02-15 22:55:08
○ 2026-07-30 04:00:12
○NSns2.hover.com2016-12-15 → 2017-09-30 · 4 obs
● 2016-12-15 22:20:20
● 2017-09-30 23:17:56
○ 2026-02-15 22:55:08
○ 2026-07-30 04:00:12
●NStim.ns.cloudflare.com2026-02-15 → 2026-07-30 · 3 obs
○ 2017-09-30 23:17:56
● 2026-02-15 22:55:08
● 2026-07-30 04:00:12
○MXmx.hover.com.cust.hostedemail.com2016-12-15 → 2026-02-16 · 4 obs
● 2016-12-15 22:20:20
● 2026-02-16 04:54:16
○ 2026-03-03 18:19:42
○ 2026-07-30 04:00:12
○A104.131.35.1632017-09-30 → 2017-09-30 · 4 obs
○ 2016-12-15 22:20:20
● 2017-09-30 23:17:56
○ 2026-02-15 22:55:08
○ 2026-07-30 04:00:12
●A104.21.3.802026-02-15 → 2026-07-30 · 3 obs
○ 2017-09-30 23:17:56
● 2026-02-15 22:55:08
● 2026-07-30 04:00:12
●A172.67.130.1242026-02-15 → 2026-07-30 · 3 obs
○ 2017-09-30 23:17:56
● 2026-02-15 22:55:08
● 2026-07-30 04:00:12
○A2606:4700:3030::ac43:827c2026-02-15 → 2026-06-16 · 5 obs
○ 2017-09-30 23:17:56
● 2026-02-15 22:55:08
● 2026-06-16 04:35:38
○ 2026-07-04 02:37:48
○ 2026-07-30 04:00:12
○A2606:4700:3033::6815:3502026-02-15 → 2026-06-16 · 5 obs
○ 2017-09-30 23:17:56
● 2026-02-15 22:55:08
● 2026-06-16 04:35:38
○ 2026-07-04 02:37:48
○ 2026-07-30 04:00:12
●A2606:4700:3035::6815:3502026-07-04 → 2026-07-30 · 3 obs
○ 2026-06-16 04:35:38
● 2026-07-04 02:37:48
● 2026-07-30 04:00:12
●A2606:4700:3037::ac43:827c2026-07-04 → 2026-07-30 · 3 obs
○ 2026-06-16 04:35:38
● 2026-07-04 02:37:48
● 2026-07-30 04:00:12
○A50.87.140.1222016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 22:20:20
○ 2017-09-30 23:17:56
○ 2026-07-30 04:00:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...-
masteringmarkdown.comtim.ns.cloudflare.com, asa.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.145

NS records: tim.ns.cloudflare.com, asa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masteringmarkdown.com (unsigned zone)

⏱️ Timing

Total: 125ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.3.80, 172.67.130.124
AAAA22606:4700:3037::ac43:827c, 2606:4700:3035::6815:350
NS2asa.ns.cloudflare.com, tim.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1asa.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

masteringmarkdown.com resolves to four IP addresses: 104.21.3.80, 172.67.130.124, 2606:4700:3035::6815:350 and 2606:4700:3037::ac43:827c.

Among the host names that share IP numbers with masteringmarkdown.com are nouvelle-collection.com, grn-adguard.pro, supercomm.ch and two others.

Name Servers

masteringmarkdown.com is delegated to two name servers: asa.ns.cloudflare.com and tim.ns.cloudflare.com.

masteringmarkdown.com has the same name server delegation as a number of other domains, such as mangakai.net, ambrosoft.com, learnnode.com and two more.

masteringmarkdown.com shares at least some of its name servers with other domains, including bltcwesterhout.nl, kasiarz.com.pl, zhannou.com and two others.

These name servers are frequently paired with the name servers adrian.ns.cloudflare.com and rita.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

asa.ns.cloudflare.com resolves to 108.162.192.246, 172.64.32.246, 173.245.58.246 and 3 other IP addresses.

tim.ns.cloudflare.com resolves to 108.162.193.145, 172.64.33.145, 173.245.59.145 and 3 other IP addresses.