`professorplumb.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:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:532:7c1e:9c2f:d0ac^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.163.9.173^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-163-9-173.compute-1.amazonaws.com`
		A	98.93.116.1^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-93-116-1.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:303c:9b15:3db3:a8a2^{🇺🇸 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:ae1a:bbc8:24d6:947f:1e99^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:6fa6:bf7e:9de7:5e92^{🇺🇸 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	54.225.33.252^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-225-33-252.compute-1.amazonaws.com`
		A	54.234.103.190^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-234-103-190.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:f6ec:2543:1b2e:f83c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.90.140.102^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-90-140-102.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	54.225.31.228^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-225-31-228.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-24 #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=1784915422

Subdomains

mailserver.professorplumb.com

Same first word

professorplumb.com

DNS History

17 records (7 active, 10 former)

○NSns-us.1and1-dns.com2015-07-24 → 2020-03-31 · 5 obs

○ 2008-03-20 16:59:18
● 2015-07-24 08:19:18
● 2020-03-31 07:17:04
○ 2026-03-24 07:07:18
○ 2026-07-24 17:58:44

○NSns-us.1and1-dns.de2015-07-24 → 2020-03-31 · 5 obs

○ 2008-03-20 16:59:18
● 2015-07-24 08:19:18
● 2020-03-31 07:17:04
○ 2026-03-24 07:07:18
○ 2026-07-24 17:58:44

○NSns-us.1and1-dns.org2015-07-24 → 2020-03-31 · 5 obs

○ 2008-03-20 16:59:18
● 2015-07-24 08:19:18
● 2020-03-31 07:17:04
○ 2026-03-24 07:07:18
○ 2026-07-24 17:58:44

○NSns-us.1and1-dns.us2015-07-24 → 2020-03-31 · 5 obs

○ 2008-03-20 16:59:18
● 2015-07-24 08:19:18
● 2020-03-31 07:17:04
○ 2026-03-24 07:07:18
○ 2026-07-24 17:58:44

●NSns1.namebrightdns.com2026-03-24 → 2026-07-24 · 3 obs

○ 2020-03-31 07:17:04
● 2026-03-24 07:07:18
● 2026-07-24 17:58:44

●NSnsg1.namebrightdns.com2026-03-24 → 2026-07-24 · 3 obs

○ 2020-03-31 07:17:04
● 2026-03-24 07:07:18
● 2026-07-24 17:58:44

●NSnsg2.namebrightdns.com2026-03-24 → 2026-07-24 · 3 obs

○ 2020-03-31 07:17:04
● 2026-03-24 07:07:18
● 2026-07-24 17:58:44

○MXmx00.1and1.com2015-07-24 → 2020-03-31 · 5 obs

○ 2008-03-20 16:59:18
● 2015-07-24 08:19:18
● 2020-03-31 07:17:04
○ 2026-03-24 07:07:18
○ 2026-07-24 17:58:44

○MXmx01.1and1.com2015-07-24 → 2020-03-31 · 5 obs

○ 2008-03-20 16:59:18
● 2015-07-24 08:19:18
● 2020-03-31 07:17:04
○ 2026-03-24 07:07:18
○ 2026-07-24 17:58:44

●A13.223.25.842026-03-24 → 2026-07-24 · 3 obs

○ 2020-03-31 07:17:04
● 2026-03-24 07:07:18
● 2026-07-24 17:58:44

○A192.195.77.1592016-07-01 → 2020-03-31 · 5 obs

○ 2016-03-07 06:59:52
● 2016-07-01 16:08:44
● 2020-03-31 07:17:04
○ 2026-03-24 07:07:18
○ 2026-07-24 17:58:44

○A198.71.61.1672015-07-24 → 2016-03-07 · 5 obs

○ 2008-03-20 16:59:18
● 2015-07-24 08:19:18
● 2016-03-07 06:59:52
○ 2016-07-01 16:08:44
○ 2026-07-24 17:58:44

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-24 → 2026-07-24 · 3 obs

○ 2020-03-31 07:17:04
● 2026-03-24 07:07:18
● 2026-07-24 17:58:44

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-24 → 2026-07-24 · 3 obs

○ 2020-03-31 07:17:04
● 2026-03-24 07:07:18
● 2026-07-24 17:58:44

○A2607:f1c0:1000:603e:7054:6e63:4e11:181e2016-07-01 → 2020-03-31 · 5 obs

○ 2016-03-07 06:59:52
● 2016-07-01 16:08:44
● 2020-03-31 07:17:04
○ 2026-03-24 07:07:18
○ 2026-07-24 17:58:44

○A2607:f1c0:1000:603e:c5a9:a791:cdfc:68172015-07-24 → 2016-03-07 · 5 obs

○ 2008-03-20 16:59:18
● 2015-07-24 08:19:18
● 2016-03-07 06:59:52
○ 2016-07-01 16:08:44
○ 2026-07-24 17:58:44

●A54.243.117.1972026-03-24 → 2026-07-24 · 3 obs

○ 2020-03-31 07:17:04
● 2026-03-24 07:07:18
● 2026-07-24 17:58:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
professorplumb.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.90.140.102

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professorplumb.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:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg2.namebrightdns.com, nsg1.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

Hierarchy

professorplumb.com is a parent domain of mailserver.professorplumb.com.

IP Addresses

professorplumb.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.

Additional host names — mail.sebbg.com, furtivo.com, angryhippies.com and two others — share IP numbers with professorplumb.com.

Name Servers

professorplumb.com is served by three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

professorplumb.com shares at least some of its name servers with other domains, including kamboat.com, edenbag.com, pchap.com and two others.

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

Host names with 7 IP numbers:

nsg1.namebrightdns.com maps to 54.162.235.48, 54.225.33.252, 54.234.103.190 and 4 additional IP addresses.

Host names that resolve to five IP addresses:

nsg2.namebrightdns.com points to 3.90.140.102, 54.221.37.2, 54.225.31.228 and two other IP addresses.

Host names resolving to four IP addresses:

ns1.namebrightdns.com points to 54.163.9.173, 98.93.116.1, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and 2600:1f18:683a:ae1b:532:7c1e:9c2f:d0ac.

professorplumb.com - robtex.com