`schulerdesign.com`

DNSSEC	⚠️ Not signed
A	103.168.172.37^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
		PTR	`userweb.fastmail.com`
A	103.168.172.52^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
NS	`ns1.messagingengine.com` ⭐
		A	162.159.24.178^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.messagingengine.com`
NS	`ns2.messagingengine.com`
		A	162.159.25.191^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.messagingengine.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	`v=spf1 include:spf.messagingengine.com ?all`
SOA	`ns1.messagingengine.com`postmaster@messagingengine.com 2026-03-04 #0

`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=1771291435

DNS History

14 records (6 active, 8 former)

○NSns1-r2-dallas.webserversystems.com2015-07-19 → 2016-04-24 · 4 obs

● 2015-07-19 18:45:44
● 2016-04-24 00:27:02
○ 2017-01-14 03:35:56
○ 2026-03-05 22:11:04

●NSns1.messagingengine.com2026-03-05 → 2026-03-05 · 2 obs

○ 2017-01-14 03:35:56
● 2026-03-05 22:11:04

○NSns1.schulerdesign.com2015-07-19 → 2016-04-24 · 4 obs

● 2015-07-19 18:45:44
● 2016-04-24 00:27:02
○ 2017-01-14 03:35:56
○ 2026-03-05 22:11:04

○NSns1.webserversystems.com2017-01-14 → 2017-01-14 · 3 obs

○ 2016-04-24 00:27:02
● 2017-01-14 03:35:56
○ 2026-03-05 22:11:04

○NSns2-r2-dallas.webserversystems.com2015-07-19 → 2016-04-24 · 4 obs

● 2015-07-19 18:45:44
● 2016-04-24 00:27:02
○ 2017-01-14 03:35:56
○ 2026-03-05 22:11:04

●NSns2.messagingengine.com2026-03-05 → 2026-03-05 · 2 obs

○ 2017-01-14 03:35:56
● 2026-03-05 22:11:04

○NSns2.webserversystems.com2017-01-14 → 2017-01-14 · 3 obs

○ 2016-04-24 00:27:02
● 2017-01-14 03:35:56
○ 2026-03-05 22:11:04

●MXin1-smtp.messagingengine.com2026-03-05 → 2026-03-05 · 2 obs

○ 2017-01-14 03:35:56
● 2026-03-05 22:11:04

●MXin2-smtp.messagingengine.com2026-03-05 → 2026-03-05 · 2 obs

○ 2017-01-14 03:35:56
● 2026-03-05 22:11:04

○MXschulerdesign.com2015-07-19 → 2017-01-14 · 3 obs

● 2015-07-19 18:45:44
● 2017-01-14 03:35:56
○ 2026-03-05 22:11:04

●A103.168.172.372026-03-05 → 2026-03-05 · 2 obs

○ 2017-01-14 03:35:56
● 2026-03-05 22:11:04

●A103.168.172.522026-03-05 → 2026-03-05 · 2 obs

○ 2017-01-14 03:35:56
● 2026-03-05 22:11:04

○A143.95.236.822017-01-14 → 2017-01-14 · 3 obs

○ 2016-04-24 00:27:02
● 2017-01-14 03:35:56
○ 2026-03-05 22:11:04

○A174.121.162.1942015-07-19 → 2016-04-24 · 4 obs

● 2015-07-19 18:45:44
● 2016-04-24 00:27:02
○ 2017-01-14 03:35:56
○ 2026-03-05 22:11:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
schulerdesign.com	ns1.messagingengine.com, ns2.messagingengine.com	2 records

✅ Authoritative Response

Server: 162.159.25.191

NS records: ns1.messagingengine.com, ns2.messagingengine.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schulerdesign.com (unsigned zone)

⏱️ Timing

Total: 348ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`103.168.172.37, 103.168.172.52`
NS	2	`ns1.messagingengine.com, ns2.messagingengine.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
SOA	1	`ns1.messagingengine.com postmaster.messa`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.messagingengine.com, ns2.messagingengine.com)

Analysis

IP Addresses

The entity schulerdesign.com points to two IP numbers: 103.168.172.37 and 103.168.172.52.

For instance, other host names 2.jotweb.uk, boringtranquility.io, kramers.ws, neilbond.net and mx-6.pobox.com share IP numbers with schulerdesign.com.

Name Servers

schulerdesign.com is delegated to two name servers: ns1.messagingengine.com and ns2.messagingengine.com.

schulerdesign.com uses the same name server setup as other domains such as samuelfine.com, nicolette.me, drsbaitso.net, tenpoint.co.nz and loicoplt.com.

Host names with one IP number:

ns1.messagingengine.com points to: 162.159.24.178.

ns2.messagingengine.com points to: 162.159.25.191.

Mail Servers

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

schulerdesign.com shares the same mail server setup as other domains, for instance heiber.me, relativejump.com, reganclassics.co.uk, ip-67-202-107-221.chicago-il.gewt.net and ns3.fastvps.ru.sivkoff.com.

schulerdesign.com shares at least partially some mail servers with other domains, for instance l85288.com.

Eight IP numbers for 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 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.

schulerdesign.com - robtex.com