`mathembed.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: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	34.224.33.29^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-224-33-29.compute-1.amazonaws.com`
		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`
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:ae1a:3318:60ad:71b4:f645^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8e29:87d8:f97c:1291^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.81.83.148^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-81-83-148.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`
		A	100.27.188.59^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-188-59.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-14 #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=1786711854

Same first word

mathembed.com

DNS History

11 records (7 active, 4 former)

○NSns1.digitalocean.com2016-12-18 → 2017-10-16 · 4 obs

● 2016-12-18 21:40:38
● 2017-10-16 16:49:32
○ 2026-05-21 11:48:12
○ 2026-08-14 13:10:20

●NSns1.namebrightdns.com2026-05-21 → 2026-08-14 · 3 obs

○ 2017-10-16 16:49:32
● 2026-05-21 11:48:12
● 2026-08-14 13:10:20

○NSns2.digitalocean.com2016-12-18 → 2017-10-16 · 4 obs

● 2016-12-18 21:40:38
● 2017-10-16 16:49:32
○ 2026-05-21 11:48:12
○ 2026-08-14 13:10:20

○NSns3.digitalocean.com2016-12-18 → 2017-10-16 · 4 obs

● 2016-12-18 21:40:38
● 2017-10-16 16:49:32
○ 2026-05-21 11:48:12
○ 2026-08-14 13:10:20

●NSnsg1.namebrightdns.com2026-05-21 → 2026-08-14 · 3 obs

○ 2017-10-16 16:49:32
● 2026-05-21 11:48:12
● 2026-08-14 13:10:20

●NSnsg2.namebrightdns.com2026-05-21 → 2026-08-14 · 3 obs

○ 2017-10-16 16:49:32
● 2026-05-21 11:48:12
● 2026-08-14 13:10:20

●A13.223.25.842026-05-21 → 2026-08-14 · 3 obs

○ 2017-10-16 16:49:32
● 2026-05-21 11:48:12
● 2026-08-14 13:10:20

○A139.59.41.1752016-12-18 → 2017-10-16 · 4 obs

● 2016-12-18 21:40:38
● 2017-10-16 16:49:32
○ 2026-05-21 11:48:12
○ 2026-08-14 13:10:20

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-05-21 → 2026-08-14 · 3 obs

○ 2017-10-16 16:49:32
● 2026-05-21 11:48:12
● 2026-08-14 13:10:20

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-05-21 → 2026-08-14 · 3 obs

○ 2017-10-16 16:49:32
● 2026-05-21 11:48:12
● 2026-08-14 13:10:20

●A54.243.117.1972026-05-21 → 2026-08-14 · 3 obs

○ 2017-10-16 16:49:32
● 2026-05-21 11:48:12
● 2026-08-14 13:10:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net...	-
mathembed.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:54.152.124.255

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathembed.com (unsigned zone)

⏱️ Timing

Total: 244ms | Queries: -

📄 Records

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

mathembed.com points to the 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.

mail.heraldpost.com, www.(0x736578)13.com, 67-23-41-97.static.cloud-ips.com and two other host names share IP numbers with mathembed.com.

Name Servers

The authoritative name servers for mathembed.com are ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com — three in total.

There is at least partial name server overlap between mathembed.com and other domains — www.pooclub.com, blackincolumbia.com, 552e.com and two more among them.

The name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com are often found in combination with these name servers.

Hostnames that resolve to 6 IP addresses:

Hostname nsg1.namebrightdns.com directs to 34.224.33.29, 54.152.124.255 and 54.211.183.184 along with 3 other IP addresses.

Hostname nsg2.namebrightdns.com directs to 3.81.83.148, 54.235.53.129 and 100.27.188.59 along with 3 other IP addresses.

Hostnames that resolve to three IP addresses:

The hostname ns1.namebrightdns.com directs to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.

mathembed.com - robtex.com

mathembed.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`mathembed.com`

`com`