markdownviewer.dev - dns.ninja

`markdownviewer.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:506b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b365^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.107^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.179.101^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brenna.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26b0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brenna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brenna.ns.cloudflare.com`
		A	108.162.194.176^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenna.ns.cloudflare.com`
		A	162.159.38.176^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenna.ns.cloudflare.com`
		A	172.64.34.176^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenna.ns.cloudflare.com`
NS	`keanu.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ca7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keanu.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3a7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`keanu.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23a7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`keanu.ns.cloudflare.com`
		A	108.162.195.167^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keanu.ns.cloudflare.com`
		A	162.159.44.167^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keanu.ns.cloudflare.com`
		A	172.64.35.167^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keanu.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.107, 172.67.179.101
		IPv6 hints	2606:4700:3031::6815:506b, 2606:4700:3036::ac43:b365
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=114, name=cloudflare-ech.com
SOA	`brenna.ns.cloudflare.com`dns@cloudflare.com serial=2408582756

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

markdownviewer.dev

markdownviewer.pages.dev

DNS History

13 records (11 active, 2 former)

●NSbrenna.ns.cloudflare.com2026-03-14 → 2026-07-29 · 2 obs

● 2026-03-14 12:02:22
● 2026-07-29 09:34:16

●NSkeanu.ns.cloudflare.com2026-03-14 → 2026-07-29 · 2 obs

● 2026-03-14 12:02:22
● 2026-07-29 09:34:16

●MXeforward1.registrar-servers.com2026-03-14 → 2026-07-29 · 2 obs

● 2026-03-14 12:02:22
● 2026-07-29 09:34:16

●MXeforward2.registrar-servers.com2026-03-14 → 2026-07-29 · 2 obs

● 2026-03-14 12:02:22
● 2026-07-29 09:34:16

●MXeforward3.registrar-servers.com2026-03-14 → 2026-07-29 · 2 obs

● 2026-03-14 12:02:22
● 2026-07-29 09:34:16

●MXeforward4.registrar-servers.com2026-03-14 → 2026-07-29 · 2 obs

● 2026-03-14 12:02:22
● 2026-07-29 09:34:16

●MXeforward5.registrar-servers.com2026-03-14 → 2026-07-29 · 2 obs

● 2026-03-14 12:02:22
● 2026-07-29 09:34:16

●A104.21.80.1072026-03-14 → 2026-07-29 · 2 obs

● 2026-03-14 12:02:22
● 2026-07-29 09:34:16

●A172.67.179.1012026-03-14 → 2026-07-29 · 2 obs

● 2026-03-14 12:02:22
● 2026-07-29 09:34:16

●A2606:4700:3031::6815:506b2026-06-25 → 2026-07-29 · 3 obs

○ 2026-06-09 06:00:40
● 2026-06-25 21:59:32
● 2026-07-29 09:34:16

○A2606:4700:3035::ac43:b3652026-03-14 → 2026-06-09 · 4 obs

● 2026-03-14 12:02:22
● 2026-06-09 06:00:40
○ 2026-06-25 21:59:32
○ 2026-07-29 09:34:16

●A2606:4700:3036::ac43:b3652026-06-25 → 2026-07-29 · 3 obs

○ 2026-06-09 06:00:40
● 2026-06-25 21:59:32
● 2026-07-29 09:34:16

○A2606:4700:3037::6815:506b2026-03-14 → 2026-06-09 · 4 obs

● 2026-03-14 12:02:22
● 2026-06-09 06:00:40
○ 2026-06-25 21:59:32
○ 2026-07-29 09:34:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
markdownviewer.dev	keanu.ns.cloudflare.com, brenna.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.167

NS records: keanu.ns.cloudflare.com, brenna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for markdownviewer.dev (unsigned zone)

⏱️ Timing

Total: 910ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.179.101, 104.21.80.107`
AAAA	2	`2606:4700:3036::ac43:b365, 2606:4700:3031::6815:506b`
NS	2	`brenna.ns.cloudflare.com, keanu.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brenna.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

markdownviewer.dev has four IP addresses: 104.21.80.107, 172.67.179.101, 2606:4700:3031::6815:506b and 2606:4700:3036::ac43:b365.

Among the host names that share IP numbers with markdownviewer.dev are aikuissosiaalityo.fi, theconservative.online, originals.id and two others.

Name Servers

markdownviewer.dev has two authoritative name servers — brenna.ns.cloudflare.com and keanu.ns.cloudflare.com.

markdownviewer.dev has the same name server delegation as a number of other domains, such as all-good.co.il, centerr.ru, quattrocento40hertz.it and two more.

markdownviewer.dev partially shares its NS delegation with several other domains, including annettemarie.ca, sysy888.top, kvhile.com and two others.

These name servers regularly co-occur with the name servers aaden.ns.cloudflare.com, maya.ns.cloudflare.com and konnor.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

brenna.ns.cloudflare.com points to 108.162.194.176, 162.159.38.176, 172.64.34.176 and 3 other IP addresses.

keanu.ns.cloudflare.com points to 108.162.195.167, 162.159.44.167, 172.64.35.167 and 3 other IP addresses.

Mail Servers

Mail for markdownviewer.dev is handled by five mail servers, namely eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

markdownviewer.dev shares at least some of its mail servers with other domains — for example tillbrookhome.eu, 789jackpotspromocode.com, foreclosuredetour.com and two more.

The mail servers eforward4.registrar-servers.com and eforward5.registrar-servers.com regularly co-occur with these mail servers.

Hosts that resolve to one IP address:

eforward1.registrar-servers.com resolves to 162.255.118.51.

eforward2.registrar-servers.com resolves to 162.255.118.52.

eforward3.registrar-servers.com resolves to 162.255.118.51.

eforward4.registrar-servers.com resolves to 162.255.118.52.

eforward5.registrar-servers.com resolves to 162.255.118.51.

eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com all direct to 162.255.118.51.

The host names eforward2.registrar-servers.com and eforward4.registrar-servers.com both resolve to 162.255.118.52 IP addresses.