91class.com - dns.ninja

`91class.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4f4e:999e:923d:5c17^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9b5a:7d38:2d23:6714^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:53a5:7e50:1f55:7b6f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:c77b:8621:67b5:65^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.152.124.255^{🇺🇸 Amazon54.152.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-152-124-255.compute-1.amazonaws.com`
		A	54.211.183.184^{🇺🇸 Amazon54.211.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-211-183-184.compute-1.amazonaws.com`
		A	100.27.188.59^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-188-59.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1ff8:84b4:19de:5ca6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.162.235.48^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-235-48.compute-1.amazonaws.com`
		A	54.221.37.2^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-37-2.compute-1.amazonaws.com`
		A	54.235.53.129^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-235-53-129.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-08 #1

`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=1786206944

Same first word

91class.com

Similar names

class91.com

DNS History

15 records (7 active, 8 former)

○NSdns27.hichina.com2015-08-16 → 2017-08-23 · 3 obs

● 2015-08-16 04:12:14
● 2017-08-23 23:12:12
○ 2026-08-08 16:45:34

○NSdns28.hichina.com2015-08-16 → 2017-08-23 · 3 obs

● 2015-08-16 04:12:14
● 2017-08-23 23:12:12
○ 2026-08-08 16:45:34

●NSns1.namebrightdns.com2026-08-08 → 2026-08-08 · 2 obs

○ 2017-08-23 23:12:12
● 2026-08-08 16:45:34

●NSnsg1.namebrightdns.com2026-08-08 → 2026-08-08 · 2 obs

○ 2017-08-23 23:12:12
● 2026-08-08 16:45:34

●NSnsg2.namebrightdns.com2026-08-08 → 2026-08-08 · 2 obs

○ 2017-08-23 23:12:12
● 2026-08-08 16:45:34

○MXmxbiz1.qq.com2015-08-16 → 2017-08-23 · 3 obs

● 2015-08-16 04:12:14
● 2017-08-23 23:12:12
○ 2026-08-08 16:45:34

○MXmxbiz2.qq.com2015-08-16 → 2017-08-23 · 3 obs

● 2015-08-16 04:12:14
● 2017-08-23 23:12:12
○ 2026-08-08 16:45:34

●A13.223.25.842026-08-08 → 2026-08-08 · 1 obs

● 2026-08-08 16:45:34

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-08-08 → 2026-08-08 · 1 obs

● 2026-08-08 16:45:34

○A2600:1f18:4ae:c605:f094:2a0a:4985:526e2026-08-08 → 2026-08-08 · 1 obs

○ 2026-08-08 16:45:34

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-08-08 → 2026-08-08 · 1 obs

● 2026-08-08 16:45:34

○A2600:1f18:4ae:c606:def:b9d9:eb9e:77662026-08-08 → 2026-08-08 · 1 obs

○ 2026-08-08 16:45:34

○A52.201.53.1662026-08-08 → 2026-08-08 · 1 obs

○ 2026-08-08 16:45:34

●A54.243.117.1972026-08-08 → 2026-08-08 · 1 obs

● 2026-08-08 16:45:34

○A98.82.42.1392026-08-08 → 2026-08-08 · 1 obs

○ 2026-08-08 16:45:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
91class.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:54.162.235.48

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 91class.com (unsigned zone)

⏱️ Timing

Total: 193ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg1.namebrightdns.com, nsg2.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

91class.com resolves to four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

Two other host names, along with myefforts.com, www.playatlantic.com and uk.composesite.com, also share IP numbers with 91class.com.

Name Servers

Three name servers are authoritative for 91class.com: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

91class.com shares at least some of its name servers with other domains, including www.houseofblondie.com, mail.swaglord.com, hnshy.com and two others.

These name servers are frequently paired with the name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

DNS names with 7 IP addresses:

nsg1.namebrightdns.com carries IP addresses 54.152.124.255, 54.211.183.184 and 100.27.188.59, with 4 other addresses beyond those.

Host names directing to five IP addresses:

nsg2.namebrightdns.com has four IP addresses — 54.162.235.48, 54.221.37.2, 54.235.53.129 and two others.

Hostnames that map to three IP numbers:

ns1.namebrightdns.com resolves to three addresses: 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.