markdoerr.com - dns.ninja

`markdoerr.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:a8b2^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4f13^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.19^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.178^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`earl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`earl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`earl.ns.cloudflare.com`
		A	108.162.193.161^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.161^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.161^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`norah.ns.cloudflare.com`
		A	2606:4700:50::a29f:2646^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c246^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`norah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2246^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`norah.ns.cloudflare.com`
		A	108.162.194.70^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norah.ns.cloudflare.com`
		A	162.159.38.70^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norah.ns.cloudflare.com`
		A	172.64.34.70^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norah.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`google-site-verification=RG46W3FhnUkMOo5z_8hHzuBRgL5aMSKQIyfhPHepLrI`
TXT	`v=spf1 include:spf.messagingengine.com include:servers.mcsv.net ?all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.19, 172.67.168.178
		IPv6 hints	2606:4700:3034::ac43:a8b2, 2606:4700:3037::6815:4f13
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOA	`earl.ns.cloudflare.com`dns@cloudflare.com serial=2408155477

`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=1782750391

Previously MX for

markdoerr.com

Same first word

markdoerr.com

Similar names

ordermark.com

ordermark.net

DNS History

22 records (8 active, 14 former)

●NSearl.ns.cloudflare.com2026-04-10 → 2026-06-29 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-06-29 16:33:40

●NSnorah.ns.cloudflare.com2026-04-10 → 2026-06-29 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-06-29 16:33:40

○NSns1.digitalocean.com2016-06-27 → 2020-02-10 · 5 obs

○ 2016-03-10 16:42:50
● 2016-06-27 20:30:52
● 2020-02-10 10:59:20
○ 2026-04-10 08:52:30
○ 2026-06-29 16:33:40

○NSns100.rochenhost.com2015-08-19 → 2016-03-10 · 5 obs

○ 2008-03-20 14:05:44
● 2015-08-19 10:11:56
● 2016-03-10 16:42:50
○ 2016-06-27 20:30:52
○ 2026-06-29 16:33:40

○NSns101.rochenhost.com2015-08-19 → 2016-03-10 · 5 obs

○ 2008-03-20 14:05:44
● 2015-08-19 10:11:56
● 2016-03-10 16:42:50
○ 2016-06-27 20:30:52
○ 2026-06-29 16:33:40

○NSns2.digitalocean.com2016-06-27 → 2020-02-10 · 5 obs

○ 2016-03-10 16:42:50
● 2016-06-27 20:30:52
● 2020-02-10 10:59:20
○ 2026-04-10 08:52:30
○ 2026-06-29 16:33:40

○NSns3.digitalocean.com2016-06-27 → 2020-02-10 · 5 obs

○ 2016-03-10 16:42:50
● 2016-06-27 20:30:52
● 2020-02-10 10:59:20
○ 2026-04-10 08:52:30
○ 2026-06-29 16:33:40

○NSns47.rochenhost.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 14:05:44
○ 2015-08-19 10:11:56
○ 2026-06-29 16:33:40

○NSns48.rochenhost.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 14:05:44
○ 2015-08-19 10:11:56
○ 2026-06-29 16:33:40

●MXin1-smtp.messagingengine.com2020-02-10 → 2026-06-29 · 3 obs

○ 2016-06-27 20:30:52
● 2020-02-10 10:59:20
● 2026-06-29 16:33:40

●MXin2-smtp.messagingengine.com2020-02-10 → 2026-06-29 · 3 obs

○ 2016-06-27 20:30:52
● 2020-02-10 10:59:20
● 2026-06-29 16:33:40

○MXmarkdoerr.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 14:05:44
○ 2015-08-19 10:11:56
○ 2026-06-29 16:33:40

○MXmx-dfw.smtp.directrouter.com2015-08-19 → 2016-03-10 · 5 obs

○ 2008-03-20 14:05:44
● 2015-08-19 10:11:56
● 2016-03-10 16:42:50
○ 2016-06-27 20:30:52
○ 2026-06-29 16:33:40

○MXmx-lon.smtp.directrouter.com2015-08-19 → 2016-03-10 · 5 obs

○ 2008-03-20 14:05:44
● 2015-08-19 10:11:56
● 2016-03-10 16:42:50
○ 2016-06-27 20:30:52
○ 2026-06-29 16:33:40

●A104.21.79.192026-04-10 → 2026-06-29 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-06-29 16:33:40

○A138.68.10.442020-02-10 → 2020-02-10 · 4 obs

○ 2016-12-08 13:56:00
● 2020-02-10 10:59:20
○ 2026-04-10 08:52:30
○ 2026-06-29 16:33:40

○A159.203.194.112016-06-27 → 2016-12-08 · 5 obs

○ 2016-03-10 16:42:50
● 2016-06-27 20:30:52
● 2016-12-08 13:56:00
○ 2020-02-10 10:59:20
○ 2026-06-29 16:33:40

●A172.67.168.1782026-04-10 → 2026-06-29 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-06-29 16:33:40

○A174.136.6.722015-08-19 → 2016-03-10 · 5 obs

○ 2008-03-20 14:05:44
● 2015-08-19 10:11:56
● 2016-03-10 16:42:50
○ 2016-06-27 20:30:52
○ 2026-06-29 16:33:40

●A2606:4700:3034::ac43:a8b22026-04-10 → 2026-06-29 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-06-29 16:33:40

●A2606:4700:3037::6815:4f132026-04-10 → 2026-06-29 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-06-29 16:33:40

○A72.249.106.22008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 14:05:44
○ 2015-08-19 10:11:56
○ 2026-06-29 16:33:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...	-
markdoerr.com	earl.ns.cloudflare.com, norah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.70

NS records: earl.ns.cloudflare.com, norah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for markdoerr.com (unsigned zone)

⏱️ Timing

Total: 1531ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.168.178, 104.21.79.19`
AAAA	2	`2606:4700:3034::ac43:a8b2, 2606:4700:3037::6815:4f13`
NS	2	`earl.ns.cloudflare.com, norah.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	2	`google-site-verification=RG46W3FhnUkMOo5, v=spf1 include:spf.messagingengine.com i`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`earl.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

markdoerr.com points to the four IP addresses 104.21.79.19, 172.67.168.178, 2606:4700:3034::ac43:a8b2 and 2606:4700:3037::6815:4f13.

www.1win-sgq2.buzz, www.tensai.fr, arkitek.net and two other host names share IP numbers with markdoerr.com.

Name Servers

Two name servers handle the delegation for markdoerr.com: earl.ns.cloudflare.com and norah.ns.cloudflare.com.

markdoerr.com uses the same name servers as several other domains — among them spinnakerbeachclub.com, arcainc.com, cleverhj.com and two more.

At least some of markdoerr.com's name servers are shared with other domains, for example authena.network, respuestas.pro, phe69.vin and two more.

It is common for these name servers to be used in conjunction with the name servers austin.ns.cloudflare.com, ali.ns.cloudflare.com and ulla.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

earl.ns.cloudflare.com resolves to 108.162.193.161, 172.64.33.161 and 173.245.59.161 among others, with 3 other IP addresses in total.

norah.ns.cloudflare.com resolves to 108.162.194.70, 162.159.38.70 and 172.64.34.70 among others, with 3 other IP addresses in total.

Mail Servers

Mail for markdoerr.com is handled by two mail servers — in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

markdoerr.com uses an identical mail server configuration to several other domains — among them srv.dc-1.net, r2s.us, helenhollick.net and two more.

markdoerr.com overlaps on mail servers with certain other domains, xomerang.com among them.

Hostnames that resolve to 8 IP addresses:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217 and 103.168.172.218 among others, with 5 other IP addresses in total.

Hosts that point to four IP numbers:

in2-smtp.messagingengine.com directs to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.