`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}
			PTR	`earl.ns.cloudflare.com`
		A	172.64.33.161^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
		A	173.245.59.161^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
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=194, name=cloudflare-ech.com
SOA	`earl.ns.cloudflare.com`dns@cloudflare.com serial=2399167569

`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=1775883792

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 → 2026-04-11 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-04-11 05:31:56

●NSnorah.ns.cloudflare.com2026-04-10 → 2026-04-11 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-04-11 05:31:56

○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
○ 2026-04-11 05:31:56

○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
○ 2026-04-11 05:31:56

○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
○ 2026-04-11 05:31:56

○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
○ 2026-04-11 05:31:56

○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
○ 2026-04-11 05:31:56

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

● 2008-03-20 14:05:44
○ 2015-08-19 10:11:56
○ 2026-04-11 05:31:56

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

● 2008-03-20 14:05:44
○ 2015-08-19 10:11:56
○ 2026-04-11 05:31:56

●MXin1-smtp.messagingengine.com2020-02-10 → 2026-04-11 · 3 obs

○ 2016-06-27 20:30:52
● 2020-02-10 10:59:20
● 2026-04-11 05:31:56

●MXin2-smtp.messagingengine.com2020-02-10 → 2026-04-11 · 3 obs

○ 2016-06-27 20:30:52
● 2020-02-10 10:59:20
● 2026-04-11 05:31:56

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

● 2008-03-20 14:05:44
○ 2015-08-19 10:11:56
○ 2026-04-11 05:31:56

○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
○ 2026-04-11 05:31:56

○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
○ 2026-04-11 05:31:56

●A104.21.79.192026-04-10 → 2026-04-11 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-04-11 05:31:56

○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
○ 2026-04-11 05:31:56

○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
○ 2026-04-11 05:31:56

●A172.67.168.1782026-04-10 → 2026-04-11 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-04-11 05:31:56

○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
○ 2026-04-11 05:31:56

●A2606:4700:3034::ac43:a8b22026-04-10 → 2026-04-11 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-04-11 05:31:56

●A2606:4700:3037::6815:4f132026-04-10 → 2026-04-11 · 3 obs

○ 2020-02-10 10:59:20
● 2026-04-10 08:52:30
● 2026-04-11 05:31:56

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

● 2008-03-20 14:05:44
○ 2015-08-19 10:11:56
○ 2026-04-11 05:31:56

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:108.162.193.161

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: 160ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.79.19, 172.67.168.178`
AAAA	2	`2606:4700:3037::6815:4f13, 2606:4700:3034::ac43:a8b2`
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 four IP numbers: 2606:4700:3034::ac43:a8b2, 2606:4700:3037::6815:4f13, 104.21.79.19 and 172.67.168.178.

Other host names, for instance x(0x62656567)(0x706f726e).com, www.tensai.fr, leojamesart.com, arkitek.net and edmonton.mokshayoga.ca share IP numbers with markdoerr.com.

Name Servers

markdoerr.com's delegation is to two name servers earl.ns.cloudflare.com and norah.ns.cloudflare.com.

markdoerr.com shares the same name server configuration as other domains, such as spinnakerbeachclub.com, arcainc.com, cleverhj.com, saportals.com and plandvse.com.

markdoerr.com at least partially shares its name servers with other domains, for instance authena.network, respuestas.pro, phe69.vin, aquihoje.store and empregos.jp.

These name servers are often used together with the name servers austin.ns.cloudflare.com.

Host names with six IP numbers:

earl.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba1, 2803:f800:50::6ca2:c1a1, 2a06:98c1:50::ac40:21a1, 108.162.193.161, 172.64.33.161 and 173.245.59.161.

norah.ns.cloudflare.com points to: 2606:4700:50::a29f:2646, 2803:f800:50::6ca2:c246, 2a06:98c1:50::ac40:2246, 108.162.194.70, 162.159.38.70 and 172.64.34.70.

Mail Servers

Two mail servers in1-smtp.messagingengine.com and in2-smtp.messagingengine.com handle markdoerr.com.

markdoerr.com uses the same mail server setup as other domains such as srv.dc-1.net, r2s.us, helenhollick.net, cicyractu.net and aidenlangley.com.

markdoerr.com shares some mail servers with other domains at least partially, for example xomerang.com.

Eight IP numbers for the first set:

The host name in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Four IP numbers for the second set:

The host name in2-smtp.messagingengine.com points to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

markdoerr.com - robtex.com

markdoerr.com

com

Previously MX for

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

`markdoerr.com`

`com`