luhmann.com - dns.ninja

`luhmann.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:ac12^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:47e7^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.231^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.18^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mona.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ace^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ce^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mona.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ce^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mona.ns.cloudflare.com`
		A	108.162.192.206^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	172.64.32.206^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	173.245.58.206^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
NS	`noel.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`noel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`noel.ns.cloudflare.com`
		A	108.162.193.216^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
		A	172.64.33.216^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
		A	173.245.59.216^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
MX	`mx1.emailsrvr.com` ⭐
		A	173.203.187.1^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`v=spf1 include:emailsrvr.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.71.231, 172.67.172.18
		IPv6 hints	2606:4700:3030::ac43:ac12, 2606:4700:3034::6815:47e7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com
SOA	`mona.ns.cloudflare.com`dns@cloudflare.com serial=2403803617

`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=1782674460

Subdomains

www.luhmann.com

Same first word

luhmann.info

luhmann.com.tr

luhmann.pt

luhmann.github.io

luhmann.com

luhmann.eu

luhmann.net

luhmann.de

luhmann.kasserver.com

luhmann.org

Similar names

uhlmann.one

uhlmann.it

uhlmann.se

lahnmun.de

uhlmann.dk

uhlmann.ca

uhlmann.de

uhlmann.com.br

lnhuman.com

hnmunla.org

uhlmann.cn

uhlmann.biz

uhlmann.com

hnmanlu.com

uhlmann.ch

uhlmann.email

uhlmann.me

uhlmann.ws

uhlmann.net

uhlmann.services

nhlanum.org

uhlmann.pro

uhlmann.at

uhlmann.eu

uhlmann.info

uhlmann.us

DNS History

21 records (8 active, 13 former)

●NSmona.ns.cloudflare.com2026-03-23 → 2026-06-28 · 3 obs

○ 2019-03-26 12:37:58
● 2026-03-23 14:17:30
● 2026-06-28 19:42:20

●NSnoel.ns.cloudflare.com2026-03-23 → 2026-06-28 · 3 obs

○ 2019-03-26 12:37:58
● 2026-03-23 14:17:30
● 2026-06-28 19:42:20

○NSns1.systemdns.com2015-07-11 → 2019-03-26 · 4 obs

● 2015-07-11 09:41:46
● 2019-03-26 12:37:58
○ 2026-03-23 14:17:30
○ 2026-06-28 19:42:20

○NSns2.systemdns.com2015-07-11 → 2019-03-26 · 4 obs

● 2015-07-11 09:41:46
● 2019-03-26 12:37:58
○ 2026-03-23 14:17:30
○ 2026-06-28 19:42:20

○NSns3.systemdns.com2015-07-11 → 2019-03-26 · 4 obs

● 2015-07-11 09:41:46
● 2019-03-26 12:37:58
○ 2026-03-23 14:17:30
○ 2026-06-28 19:42:20

○MXd80544a.ess.barracudanetworks.com2016-02-23 → 2017-02-05 · 5 obs

○ 2015-11-09 08:49:40
● 2016-02-23 02:44:22
● 2017-02-05 08:35:30
○ 2019-03-26 12:37:58
○ 2026-06-28 19:42:20

○MXd80544b.ess.barracudanetworks.com2016-02-23 → 2017-02-05 · 5 obs

○ 2015-11-09 08:49:40
● 2016-02-23 02:44:22
● 2017-02-05 08:35:30
○ 2019-03-26 12:37:58
○ 2026-06-28 19:42:20

○MXluhmann.com.inbound10.mxlogic.net2015-07-11 → 2015-11-09 · 4 obs

● 2015-07-11 09:41:46
● 2015-11-09 08:49:40
○ 2016-02-23 02:44:22
○ 2026-06-28 19:42:20

○MXluhmann.com.inbound10.mxlogicmx.net2015-07-11 → 2015-11-09 · 4 obs

● 2015-07-11 09:41:46
● 2015-11-09 08:49:40
○ 2016-02-23 02:44:22
○ 2026-06-28 19:42:20

●MXmx1.emailsrvr.com2019-03-26 → 2026-06-28 · 3 obs

○ 2017-02-05 08:35:30
● 2019-03-26 12:37:58
● 2026-06-28 19:42:20

●MXmx2.emailsrvr.com2019-03-26 → 2026-06-28 · 3 obs

○ 2017-02-05 08:35:30
● 2019-03-26 12:37:58
● 2026-06-28 19:42:20

●A104.21.71.2312026-03-23 → 2026-06-28 · 6 obs

○ 2019-03-26 12:37:58
● 2026-03-23 14:17:30
● 2026-03-24 14:17:04
○ 2026-04-05 16:05:02
● 2026-04-10 16:49:16
● 2026-06-28 19:42:20

●A172.67.172.182026-03-23 → 2026-06-28 · 6 obs

○ 2019-03-26 12:37:58
● 2026-03-23 14:17:30
● 2026-03-24 14:17:04
○ 2026-04-05 16:05:02
● 2026-04-10 16:49:16
● 2026-06-28 19:42:20

○A188.114.96.02026-04-05 → 2026-04-05 · 5 obs

○ 2026-03-23 14:17:30
○ 2026-03-24 14:17:04
● 2026-04-05 16:05:02
○ 2026-04-10 16:49:16
○ 2026-06-28 19:42:20

○A188.114.97.02026-04-05 → 2026-04-05 · 5 obs

○ 2026-03-23 14:17:30
○ 2026-03-24 14:17:04
● 2026-04-05 16:05:02
○ 2026-04-10 16:49:16
○ 2026-06-28 19:42:20

●A2606:4700:3030::ac43:ac122026-03-23 → 2026-06-28 · 6 obs

○ 2019-03-26 12:37:58
● 2026-03-23 14:17:30
● 2026-03-24 14:17:04
○ 2026-04-05 16:05:02
● 2026-04-10 16:49:16
● 2026-06-28 19:42:20

●A2606:4700:3034::6815:47e72026-03-23 → 2026-06-28 · 6 obs

○ 2019-03-26 12:37:58
● 2026-03-23 14:17:30
● 2026-03-24 14:17:04
○ 2026-04-05 16:05:02
● 2026-04-10 16:49:16
● 2026-06-28 19:42:20

○A2a06:98c1:3120::2026-04-05 → 2026-04-05 · 5 obs

○ 2026-03-23 14:17:30
○ 2026-03-24 14:17:04
● 2026-04-05 16:05:02
○ 2026-04-10 16:49:16
○ 2026-06-28 19:42:20

○A2a06:98c1:3121::2026-04-05 → 2026-04-05 · 5 obs

○ 2026-03-23 14:17:30
○ 2026-03-24 14:17:04
● 2026-04-05 16:05:02
○ 2026-04-10 16:49:16
○ 2026-06-28 19:42:20

○A69.16.233.1932015-07-11 → 2017-02-05 · 4 obs

● 2015-07-11 09:41:46
● 2017-02-05 08:35:30
○ 2019-03-26 12:37:58
○ 2026-06-28 19:42:20

○A69.16.233.982019-03-26 → 2019-03-26 · 4 obs

○ 2017-02-05 08:35:30
● 2019-03-26 12:37:58
○ 2026-03-23 14:17:30
○ 2026-06-28 19:42:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...	-
luhmann.com	noel.ns.cloudflare.com, mona.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.206

NS records: noel.ns.cloudflare.com, mona.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for luhmann.com (unsigned zone)

⏱️ Timing

Total: 1236ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.172.18, 104.21.71.231`
AAAA	2	`2606:4700:3030::ac43:ac12, 2606:4700:3034::6815:47e7`
NS	2	`mona.ns.cloudflare.com, noel.ns.cloudflare.com`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	1	`v=spf1 include:emailsrvr.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mona.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.luhmann.com is a subdomain of luhmann.com.

IP Addresses

luhmann.com points to the four IP addresses 104.21.71.231, 172.67.172.18, 2606:4700:3030::ac43:ac12 and 2606:4700:3034::6815:47e7.

Among the host names that share IP numbers with luhmann.com are www.forum-tvs.ru, techpostback.com, mail.ubuntu.hk and two others.

Name Servers

luhmann.com uses two name servers for its delegation: mona.ns.cloudflare.com and noel.ns.cloudflare.com.

luhmann.com has the same name server delegation as a number of other domains, such as fireandicephotography.us, passingalongtheheritage.net, hometowne-realty.com and two more.

The name servers of luhmann.com overlap at least partially with those of other domains — among them computerpoweruser.uk.com, zoonoudrea.com, 870728.com and two more.

These name servers are routinely co-deployed with the name servers ingrid.ns.cloudflare.com, ridge.ns.cloudflare.com, quinton.ns.cloudflare.com and two others.

Host names resolving to 6 IP numbers:

Hostname mona.ns.cloudflare.com directs to 108.162.192.206, 172.64.32.206 and 173.245.58.206 along with 3 other IP addresses.

Hostname noel.ns.cloudflare.com directs to 108.162.193.216, 172.64.33.216 and 173.245.59.216 along with 3 other IP addresses.

Mail Servers

The MX records for luhmann.com point to two mail servers: mx1.emailsrvr.com and mx2.emailsrvr.com.

luhmann.com has the same mail server arrangement as a number of other domains, for example manu-rep.com, marquardtbuick.com, tsomidlothian.com and two more.

luhmann.com shares at least some of its mail servers with other domains — for example labiaplasty-vaginoplasty.com, jemorganconsulting.com, tunecore.com.de and two more.

Both mx1.emailsrvr.com and mx2.emailsrvr.com have a single IP address each — mx1.emailsrvr.com resolves to 173.203.187.1 while mx2.emailsrvr.com resolves to 184.106.54.2.