`altschuler.us`

DNSSEC	⚠️ Not signed
A	136.53.73.188^{🇺🇸 GOOGLE-FIBER136.53.64.0/20 Google Fiber Inc.}
		PTR	`136-53-73-188.googlefiber.net`
NS	`ns1.mydyndns.org` ⭐
		A	2600:2000:2100::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2100::/44 Dynamic Network Services, Inc.}
			PTR	`ns1.p201.dns.oraclecloud.net`
		A	108.59.166.201^{🇺🇸 ORACLE-OCI-31898108.59.166.0/23 Dynamic Network Services, Inc.}
			PTR	`ns1.p201.dns.oraclecloud.net`
NS	`ns1179.dns.dyn.com`
		A	2600:2000:2100::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2100::/44 Dynamic Network Services, Inc.}
			PTR	`ns1.p201.dns.oraclecloud.net`
		A	108.59.166.201^{🇺🇸 ORACLE-OCI-31898108.59.166.0/23 Dynamic Network Services, Inc.}
			PTR	`ns1.p201.dns.oraclecloud.net`
NS	`ns2189.dns.dyn.com`
		A	2600:2000:2110::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2110::/44 Dynamic Network Services, Inc.}
			PTR	`ns2.p201.dns.oraclecloud.net`
		A	108.59.168.201^{🇺🇸 ORACLE-OCI-31898108.59.168.0/23 Dynamic Network Services, Inc.}
			PTR	`ns2.p201.dns.oraclecloud.net`
NS	`ns3193.dns.dyn.com`
		A	2600:2000:2120::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2120::/44 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
		A	108.59.170.201^{🇺🇸 ORACLE-OCI-31898108.59.170.0/23 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
NS	`ns4168.dns.dyn.com`
		A	2600:2000:2130::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2130::/44 Dynamic Network Services, Inc.}
			PTR	`ns4.p201.dns.oraclecloud.net`
		A	108.59.172.201^{🇺🇸 ORACLE-OCI-31898108.59.172.0/23 Dynamic Network Services, Inc.}
			PTR	`ns4.p201.dns.oraclecloud.net`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=phNj9nXAGlw1llBW`
TXT	`v=spf1 redirect=icloud.com`
SOA	`ns1.mydyndns.org`zone-admin@dyndns.com 2025-09-04 #0

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1778328560

Same first word

altschuler.org

altschuler.us

Similar names

alutechsrl.com

DNS History

10 records (8 active, 2 former)

●NSns1.mydyndns.org2015-07-10 → 2026-05-09 · 2 obs

● 2015-07-10 22:35:56
● 2026-05-09 12:24:46

●NSns1179.dns.dyn.com2015-07-10 → 2026-05-09 · 2 obs

● 2015-07-10 22:35:56
● 2026-05-09 12:24:46

●NSns2189.dns.dyn.com2015-07-10 → 2026-05-09 · 2 obs

● 2015-07-10 22:35:56
● 2026-05-09 12:24:46

●NSns3193.dns.dyn.com2015-07-10 → 2026-05-09 · 2 obs

● 2015-07-10 22:35:56
● 2026-05-09 12:24:46

●NSns4168.dns.dyn.com2015-07-10 → 2026-05-09 · 2 obs

● 2015-07-10 22:35:56
● 2026-05-09 12:24:46

○MXa244171.mx.mailhop.org2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 22:35:56
○ 2015-11-29 11:37:02
○ 2026-05-09 12:24:46

○MXa485115.mx.mailhop.org2015-11-29 → 2017-06-16 · 5 obs

○ 2015-07-10 22:35:56
● 2015-11-29 11:37:02
● 2017-06-16 21:15:46
○ 2026-04-08 20:06:02
○ 2026-05-09 12:24:46

●MXmx01.mail.icloud.com2026-04-08 → 2026-05-09 · 3 obs

○ 2017-06-16 21:15:46
● 2026-04-08 20:06:02
● 2026-05-09 12:24:46

●MXmx02.mail.icloud.com2026-04-08 → 2026-05-09 · 3 obs

○ 2017-06-16 21:15:46
● 2026-04-08 20:06:02
● 2026-05-09 12:24:46

●A136.53.73.1882026-04-08 → 2026-05-09 · 2 obs

● 2026-04-08 20:06:02
● 2026-05-09 12:24:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
altschuler.us	ns4168.dns.dyn.com, ns3193.dns.dyn.com, ns1179.dns.dyn.com, ns2189.dns.dyn.com	-

✅ Authoritative Response

Server:108.59.166.201

NS records: ns4168.dns.dyn.com, ns3193.dns.dyn.com, ns1179.dns.dyn.com, ns2189.dns.dyn.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for altschuler.us (unsigned zone)

⏱️ Timing

Total: 1042ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.53.73.188`
NS	4	`ns3193.dns.dyn.com, ns1179.dns.dyn.com...`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`v=spf1 redirect=icloud.com, apple-domain=phNj9nXAGlw1llBW`
SOA	1	`ns1.mydyndns.org zone-admin.dyndns.com`

Analysis

IP Addresses

altschuler.us points to a single IP number: 136.53.73.188.

Name Servers

altschuler.us is delegated to five name servers: ns1.mydyndns.org, ns1179.dns.dyn.com, ns2189.dns.dyn.com, ns3193.dns.dyn.com and ns4168.dns.dyn.com.

altschuler.us at least partially shares name servers with other domains, for instance cc-school.org, heylsystems.com, n-aos.com, pentanetworks.ie and castilleja.org.

These name servers are commonly used together with the name servers ns2.mydyndns.org, ns3.mydyndns.org, ns4.mydyndns.org, ns5.mydyndns.org, ns1146.dns.dyn.com, ns3183.dns.dyn.com, ns4135.dns.dyn.com, ns3194.dns.dyn.com, ns2169.dns.dyn.com and ns2129.dns.dyn.com.

Host names with two IP numbers:

ns1.mydyndns.org points to 2600:2000:2100::c9 and 108.59.166.201.

ns1179.dns.dyn.com points to 2600:2000:2100::c9 and 108.59.166.201.

ns2189.dns.dyn.com points to 2600:2000:2110::c9 and 108.59.168.201.

ns3193.dns.dyn.com points to 2600:2000:2120::c9 and 108.59.170.201.

ns4168.dns.dyn.com points to 2600:2000:2130::c9 and 108.59.172.201.

Names pointing to 2600:2000:2100::c9: ns1.mydyndns.org and ns1179.dns.dyn.com.

Names pointing to 108.59.166.201: ns1.mydyndns.org and ns1179.dns.dyn.com.

Mail Servers

altschuler.us is handled by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

altschuler.us uses the same mail server configuration as other domains, such as chriso.no, loomiverse.net, skinut.co.uk, shafrans.com and zaggy.co.uk.