isclass.com - dns.ninja

`isclass.com`

DNSSEC	⚠️ Not signed
A	13.251.214.111^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
		PTR	`ec2-13-251-214-111.ap-southeast-1.compute.amazonaws.com`
NS	`dns101.register.com` ⭐
		A	162.159.24.117^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns102.register.com`
		A	162.159.25.158^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`isclass-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`DNS101.REGISTER.com`root@REGISTER.com serial=126012221

`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=1785916579

Same first word

isclass.com

Similar names

classis.se

classis.de

classis.com

classis.ro

classis.hu

classis.ch

classis.co.uk

classis.net

classis.com.br

classis.pl

classis.ru

classis.be

siclass.com

classis.it

cassils.net

DNS History

17 records (4 active, 13 former)

●NSdns101.register.com2026-02-14 → 2026-08-05 · 3 obs

○ 2017-09-25 09:25:06
● 2026-02-14 17:37:24
● 2026-08-05 08:05:24

●NSdns102.register.com2026-02-14 → 2026-08-05 · 3 obs

○ 2017-09-25 09:25:06
● 2026-02-14 17:37:24
● 2026-08-05 08:05:24

○NSfeed19.nameservers.net2015-10-23 → 2016-05-01 · 5 obs

○ 2015-05-14 01:18:12
● 2015-10-23 14:37:34
● 2016-05-01 00:28:48
○ 2016-12-21 15:01:34
○ 2026-08-05 08:05:24

○NSns1.isclass.com2015-05-14 → 2015-05-14 · 3 obs

● 2015-05-14 01:18:12
○ 2015-10-23 14:37:34
○ 2026-08-05 08:05:24

○NSns1.yourhostingaccount.com2016-12-21 → 2017-09-25 · 5 obs

○ 2016-05-01 00:28:48
● 2016-12-21 15:01:34
● 2017-09-25 09:25:06
○ 2026-02-14 17:37:24
○ 2026-08-05 08:05:24

○NSns19a.nameservers.net2015-10-23 → 2016-05-01 · 5 obs

○ 2015-05-14 01:18:12
● 2015-10-23 14:37:34
● 2016-05-01 00:28:48
○ 2016-12-21 15:01:34
○ 2026-08-05 08:05:24

○NSns19b.nameservers.net2015-10-23 → 2016-05-01 · 5 obs

○ 2015-05-14 01:18:12
● 2015-10-23 14:37:34
● 2016-05-01 00:28:48
○ 2016-12-21 15:01:34
○ 2026-08-05 08:05:24

○NSns2.isclass.com2015-05-14 → 2015-05-14 · 3 obs

● 2015-05-14 01:18:12
○ 2015-10-23 14:37:34
○ 2026-08-05 08:05:24

○NSns2.yourhostingaccount.com2016-12-21 → 2017-09-25 · 5 obs

○ 2016-05-01 00:28:48
● 2016-12-21 15:01:34
● 2017-09-25 09:25:06
○ 2026-02-14 17:37:24
○ 2026-08-05 08:05:24

●MXisclass-com.mail.protection.outlook.com2017-09-25 → 2026-08-05 · 3 obs

○ 2016-12-21 15:01:34
● 2017-09-25 09:25:06
● 2026-08-05 08:05:24

○MXmail.isclass.com2015-05-14 → 2015-05-14 · 3 obs

● 2015-05-14 01:18:12
○ 2015-10-23 14:37:34
○ 2026-08-05 08:05:24

○MXmail1.maritimechain.com2015-10-23 → 2016-12-21 · 5 obs

○ 2015-05-14 01:18:12
● 2015-10-23 14:37:34
● 2016-12-21 15:01:34
○ 2017-09-25 09:25:06
○ 2026-08-05 08:05:24

○MXmail2.maritimechain.com2015-10-23 → 2016-12-21 · 5 obs

○ 2015-05-14 01:18:12
● 2015-10-23 14:37:34
● 2016-12-21 15:01:34
○ 2017-09-25 09:25:06
○ 2026-08-05 08:05:24

○A118.201.51.2302015-05-14 → 2017-09-25 · 6 obs

● 2015-05-14 01:18:12
○ 2015-10-23 14:37:34
○ 2016-12-21 15:01:34
● 2017-09-25 09:25:06
○ 2026-02-14 17:37:24
○ 2026-08-05 08:05:24

●A13.251.214.1112026-02-14 → 2026-08-05 · 3 obs

○ 2017-09-25 09:25:06
● 2026-02-14 17:37:24
● 2026-08-05 08:05:24

○A198.170.241.252015-10-23 → 2016-05-01 · 5 obs

○ 2015-05-14 01:18:12
● 2015-10-23 14:37:34
● 2016-05-01 00:28:48
○ 2016-12-21 15:01:34
○ 2026-08-05 08:05:24

○A66.96.146.1292016-12-21 → 2016-12-21 · 4 obs

○ 2016-05-01 00:28:48
● 2016-12-21 15:01:34
○ 2017-09-25 09:25:06
○ 2026-08-05 08:05:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
isclass.com	dns101.register.com, dns102.register.com	2 records

✅ Authoritative Response

Server:162.159.25.158

NS records: dns101.register.com, dns102.register.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isclass.com (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.251.214.111`
NS	2	`dns101.register.com, dns102.register.com`
MX	1	`isclass-com.mail.protection.outlook.com`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`DNS101.REGISTER.com root.REGISTER.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns101.register.com, dns102.register.com)

Analysis

IP Addresses

isclass.com resolves to one IP address: 13.251.214.111.

Other host names, such as ec2-13-251-214-111.ap-southeast-1.compute.amazonaws.com, share IP numbers with isclass.com.

Name Servers

isclass.com is delegated to two name servers: dns101.register.com and dns102.register.com.

isclass.com uses the same name servers as several other domains — among them ppdocs.net, sil-law.com, 147hope.com and two more.

dns101.register.com and dns102.register.com each resolve to one IP number: dns101.register.com points to 162.159.24.117 and dns102.register.com points to 162.159.25.158.

Mail Servers

Mail for isclass.com is handled by a single mail server, isclass-com.mail.protection.outlook.com.

isclass-com.mail.protection.outlook.com resolves to 6 IP addresses — 52.101.124.117, 52.101.137.0, 52.101.157.80 and 3 others.