firstclass.thmail.com - dns.ninja

`firstclass.thmail.com`

	CNAME	`traff-https.hugedomains.com`
	CNAME	`hdl-prd-https-0699149ba9be518e.elb.us-east-1.amazonaws.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}

`thmail.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` ⭐
	NS	`nsg1.namebrightdns.com`
	NS	`nsg2.namebrightdns.com`
	TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
	TXT	`v=spf1 -all`
	SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-08 #1

Subdomains

mail.firstclass.thmail.com

Same first word

firstclass.hu

firstclass.cn

firstclass.fitness

firstclass.co.th

firstclass.fi

firstclass.com.sa

firstclass.solutions

firstclass.sa

firstclass.ru

firstclass.com.br

firstclass.taxi

firstclass.me

firstclass.cc

firstclass.edu.hk

firstclass.fr

firstclass.sg

firstclass.ne.jp

firstclass.capital

firstclass.com.mx

firstclass.se

firstclass.rentals

firstclass.com.pl

firstclass.tel

firstclass.lt

firstclass.is

firstclass.in.th

firstclass.co.kr

firstclass.expert

firstclass.org

firstclass.at

firstclass.com.tr

firstclass.fo

firstclass.info

firstclass.it

firstclass.flights

firstclass.ws

firstclass.eu

firstclass.nl

firstclass.domains

firstclass.com.au

firstclass.mx

firstclass.sc

firstclass.no

firstclass.pl

firstclass.com

firstclass.com.cn

firstclass.as

firstclass.estate

firstclass.de

firstclass.agency

firstclass.net

firstclass.cz

firstclass.sk

firstclass.international

firstclass.education

firstclass.sh.cn

firstclass.com.hk

firstclass.cl

firstclass.ch

Similar names

firtsclass.com

classfirst.in

calstrsifs.com

classfirst.com

DNS History

10 records (7 active, 3 former)

○NSns.cscoms.com2015-05-30 → 2016-12-01 · 4 obs

● 2015-05-30 09:21:46
● 2016-12-01 01:02:00
○ 2026-02-15 00:02:16
○ 2026-06-08 16:08:02

○NSns2.cscoms.com2015-05-30 → 2016-12-01 · 4 obs

● 2015-05-30 09:21:46
● 2016-12-01 01:02:00
○ 2026-02-15 00:02:16
○ 2026-06-08 16:08:02

●NSnsg1.namebrightdns.com2026-02-15 → 2026-06-08 · 3 obs

○ 2016-12-01 01:02:00
● 2026-02-15 00:02:16
● 2026-06-08 16:08:02

●NSnsg2.namebrightdns.com2026-02-15 → 2026-06-08 · 3 obs

○ 2016-12-01 01:02:00
● 2026-02-15 00:02:16
● 2026-06-08 16:08:02

○MXpostcorp.csloxinfo.com2015-05-30 → 2026-02-15 · 4 obs

● 2015-05-30 09:21:46
● 2026-02-15 00:02:16
○ 2026-03-25 01:35:40
○ 2026-06-08 16:08:02

●A13.223.25.842026-02-15 → 2026-06-08 · 2 obs

● 2026-02-15 00:02:16
● 2026-06-08 16:08:02

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-15 → 2026-06-08 · 2 obs

● 2026-02-15 00:02:16
● 2026-06-08 16:08:02

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-15 → 2026-06-08 · 2 obs

● 2026-02-15 00:02:16
● 2026-06-08 16:08:02

●A54.243.117.1972026-02-15 → 2026-06-08 · 2 obs

● 2026-02-15 00:02:16
● 2026-06-08 16:08:02

●CNAMEtraff-https.hugedomains.com2026-02-15 → 2026-06-08 · 2 obs

● 2026-02-15 00:02:16
● 2026-06-08 16:08:02

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:13.221.2.210

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thmail.com (unsigned zone)

⏱️ Timing

Total: 213ms | 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`
CNAME	1	`traff-https.hugedomains.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

firstclass.thmail.com is the parent zone for mail.firstclass.thmail.com.

IP Addresses

With 4 IP addresses, firstclass.thmail.com directs to 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.

Among the host names that share IP numbers with firstclass.thmail.com are paurl.com, 67ceff1cb208e116014044130314103881680105f58c916af2054d31a769b51.anycoding.com, fuaod.com and two others.