firstblue.com - dns.ninja

`firstblue.com`

DNSSEC	⚠️ Not signed
A	34.254.45.54^{🇮🇪 Amazon34.248.0.0/13 EC2 DUB prefix}
		PTR	`ec2-34-254-45-54.eu-west-1.compute.amazonaws.com`
A	54.76.128.31^{🇮🇪 Amazon54.76.0.0/15 EC2 DUB prefix}
A	54.76.236.226^{🇮🇪 Amazon54.76.0.0/15 EC2 DUB prefix}
NS	`ns-1731.awsdns-24.co.uk` ⭐
		A	2600:9000:5306:c300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1731.awsdns-24.co.uk`
		A	205.251.198.195^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1731.awsdns-24.co.uk`
NS	`ns-118.awsdns-14.com`
		A	2600:9000:5300:7600::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-118.awsdns-14.com`
		A	205.251.192.118^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-118.awsdns-14.com`
NS	`ns-1496.awsdns-59.org`
		A	2600:9000:5305:d800::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1496.awsdns-59.org`
		A	205.251.197.216^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1496.awsdns-59.org`
NS	`ns-672.awsdns-20.net`
		A	2600:9000:5302:a000::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-672.awsdns-20.net`
		A	205.251.194.160^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-672.awsdns-20.net`
MX	`d313205.a.ess.de.barracudanetworks.com` ⭐
		A	18.185.115.250^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.251^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.252^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
MX	`d313205.b.ess.de.barracudanetworks.com`⁽²⁰⁾
		A	18.185.115.250^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.251^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.252^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
TXT	`MS=ms72539147`
TXT	`anthropic-domain-verification-kz21cp=uasaxbrbIBjoCDZd7CGbsRdPx`
TXT	`google-site-verification=5qMw1wPyWsoJIBL4EDOTAsqrZF_YJu-kSC4YXnNAZzg`
TXT	`v=spf1 include:spf.ess.de.barracudanetworks.com include:spf.protection.outloo...`
SOA	`ns-1731.awsdns-24.co.uk`awsdns-hostmaster@amazon.com serial=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=1785568562

Same first word

firstblue.net

firstblue.eu

firstblue.de

firstblue.com

Similar names

fileburst.com

subfilter.com

busfilter.com

flibuster.ru

usbfilter.com

bluefirst.cn

flibuster.info

flibuster.com

stublifer.com

fileburst.net

firstlube.com

sublifter.com

DNS History

47 records (9 active, 38 former)

○NSbuy.internettraffic.com2016-05-04 → 2016-05-04 · 4 obs

○ 2016-02-11 11:34:14
● 2016-05-04 13:32:56
○ 2017-02-16 18:18:24
○ 2026-08-01 07:25:56

●NSns-118.awsdns-14.com2026-04-06 → 2026-08-01 · 3 obs

○ 2020-03-11 02:21:06
● 2026-04-06 22:06:42
● 2026-08-01 07:25:56

○NSns-1398.awsdns-46.org2015-11-15 → 2016-02-11 · 5 obs

○ 2015-07-19 04:53:26
● 2015-11-15 19:54:40
● 2016-02-11 11:34:14
○ 2016-05-04 13:32:56
○ 2026-08-01 07:25:56

●NSns-1496.awsdns-59.org2026-04-06 → 2026-08-01 · 3 obs

○ 2020-03-11 02:21:06
● 2026-04-06 22:06:42
● 2026-08-01 07:25:56

○NSns-1641.awsdns-13.co.uk2015-11-15 → 2016-02-11 · 5 obs

○ 2015-07-19 04:53:26
● 2015-11-15 19:54:40
● 2016-02-11 11:34:14
○ 2016-05-04 13:32:56
○ 2026-08-01 07:25:56

●NSns-1731.awsdns-24.co.uk2026-04-06 → 2026-08-01 · 3 obs

○ 2020-03-11 02:21:06
● 2026-04-06 22:06:42
● 2026-08-01 07:25:56

○NSns-469.awsdns-58.com2015-11-15 → 2016-02-11 · 5 obs

○ 2015-07-19 04:53:26
● 2015-11-15 19:54:40
● 2016-02-11 11:34:14
○ 2016-05-04 13:32:56
○ 2026-08-01 07:25:56

●NSns-672.awsdns-20.net2026-04-06 → 2026-08-01 · 3 obs

○ 2020-03-11 02:21:06
● 2026-04-06 22:06:42
● 2026-08-01 07:25:56

○NSns-738.awsdns-28.net2015-11-15 → 2016-02-11 · 5 obs

○ 2015-07-19 04:53:26
● 2015-11-15 19:54:40
● 2016-02-11 11:34:14
○ 2016-05-04 13:32:56
○ 2026-08-01 07:25:56

○NSns1.mydomain.com2015-07-19 → 2016-02-11 · 4 obs

● 2015-07-19 04:53:26
● 2016-02-11 11:34:14
○ 2016-05-04 13:32:56
○ 2026-08-01 07:25:56

○NSns1.uniregistrymarket.link2017-02-16 → 2020-03-11 · 5 obs

○ 2016-05-04 13:32:56
● 2017-02-16 18:18:24
● 2020-03-11 02:21:06
○ 2026-04-06 22:06:42
○ 2026-08-01 07:25:56

○NSns2.uniregistrymarket.link2017-02-16 → 2020-03-11 · 5 obs

○ 2016-05-04 13:32:56
● 2017-02-16 18:18:24
● 2020-03-11 02:21:06
○ 2026-04-06 22:06:42
○ 2026-08-01 07:25:56

○NSsell.internettraffic.com2016-05-04 → 2016-05-04 · 4 obs

○ 2016-02-11 11:34:14
● 2016-05-04 13:32:56
○ 2017-02-16 18:18:24
○ 2026-08-01 07:25:56

●MXd313205.a.ess.de.barracudanetworks.com2026-04-06 → 2026-08-01 · 3 obs

○ 2020-03-11 02:21:06
● 2026-04-06 22:06:42
● 2026-08-01 07:25:56

●MXd313205.b.ess.de.barracudanetworks.com2026-04-06 → 2026-08-01 · 3 obs

○ 2020-03-11 02:21:06
● 2026-04-06 22:06:42
● 2026-08-01 07:25:56

○MXmx1.ndmail.ca2015-11-15 → 2016-02-11 · 4 obs

● 2015-11-15 19:54:40
● 2016-02-11 11:34:14
○ 2016-05-04 13:32:56
○ 2026-08-01 07:25:56

○MXmx2.ndmail.ca2015-11-15 → 2016-02-11 · 4 obs

● 2015-11-15 19:54:40
● 2016-02-11 11:34:14
○ 2016-05-04 13:32:56
○ 2026-08-01 07:25:56

○MXmx247.in-mx.com2020-03-11 → 2020-03-11 · 4 obs

○ 2016-05-04 13:32:56
● 2020-03-11 02:21:06
○ 2026-04-06 22:06:42
○ 2026-08-01 07:25:56

○MXmx247.in-mx.net2020-03-11 → 2020-03-11 · 4 obs

○ 2016-05-04 13:32:56
● 2020-03-11 02:21:06
○ 2026-04-06 22:06:42
○ 2026-08-01 07:25:56

○A18.202.185.2552026-04-06 → 2026-04-06 · 4 obs

○ 2020-03-11 02:21:06
● 2026-04-06 22:06:42
○ 2026-04-20 00:46:32
○ 2026-08-01 07:25:56

○A185.53.177.202015-07-19 → 2016-02-11 · 4 obs

● 2015-07-19 04:53:26
● 2016-02-11 11:34:14
○ 2016-05-04 13:32:56
○ 2026-08-01 07:25:56

○A34.243.167.962026-04-06 → 2026-08-01 · 2 obs

○ 2026-04-06 22:06:42
○ 2026-08-01 07:25:56

○A34.246.23.1182026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-20 00:46:32
● 2026-04-20 10:53:18
○ 2026-05-05 18:01:58
○ 2026-08-01 07:25:56

○A34.249.74.412026-07-15 → 2026-07-15 · 4 obs

○ 2026-06-29 10:46:12
● 2026-07-15 09:58:00
○ 2026-08-01 07:25:54
○ 2026-08-01 07:25:56

○A34.251.106.202026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-05 18:01:58
● 2026-06-01 15:09:24
○ 2026-06-29 10:46:12
○ 2026-08-01 07:25:56

○A34.252.237.1232026-04-06 → 2026-04-06 · 4 obs

○ 2020-03-11 02:21:06
● 2026-04-06 22:06:42
○ 2026-04-20 00:46:32
○ 2026-08-01 07:25:56

○A34.252.31.1162026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-01 15:09:24
● 2026-06-29 10:46:12
○ 2026-07-15 09:58:00
○ 2026-08-01 07:25:56

●A34.254.45.542026-08-01 → 2026-08-01 · 3 obs

○ 2026-07-15 09:58:00
● 2026-08-01 07:25:54
● 2026-08-01 07:25:56

○A34.255.250.952026-05-05 → 2026-05-05 · 4 obs

○ 2026-04-20 10:53:18
● 2026-05-05 18:01:58
○ 2026-06-01 15:09:24
○ 2026-08-01 07:25:56

○A46.137.167.402026-05-05 → 2026-05-05 · 4 obs

○ 2026-04-20 10:53:18
● 2026-05-05 18:01:58
○ 2026-06-01 15:09:24
○ 2026-08-01 07:25:56

○A52.16.59.392026-07-15 → 2026-07-15 · 4 obs

○ 2026-06-29 10:46:12
● 2026-07-15 09:58:00
○ 2026-08-01 07:25:54
○ 2026-08-01 07:25:56

○A52.18.231.1962026-04-06 → 2026-04-06 · 4 obs

○ 2020-03-11 02:21:06
● 2026-04-06 22:06:42
○ 2026-04-20 00:46:32
○ 2026-08-01 07:25:56

○A52.208.176.722026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-06 22:06:42
● 2026-04-20 00:46:32
○ 2026-04-20 10:53:18
○ 2026-08-01 07:25:56

○A52.213.71.1992026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-05 18:01:58
● 2026-06-01 15:09:24
○ 2026-06-29 10:46:12
○ 2026-08-01 07:25:56

○A52.49.183.1552026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-01 15:09:24
● 2026-06-29 10:46:12
○ 2026-07-15 09:58:00
○ 2026-08-01 07:25:56

○A52.50.112.532026-04-06 → 2026-08-01 · 2 obs

○ 2026-04-06 22:06:42
○ 2026-08-01 07:25:56

○A52.51.144.2442026-05-05 → 2026-05-05 · 4 obs

○ 2026-04-20 10:53:18
● 2026-05-05 18:01:58
○ 2026-06-01 15:09:24
○ 2026-08-01 07:25:56

○A54.154.60.1552026-04-20 → 2026-04-20 · 5 obs

○ 2026-04-06 22:06:42
● 2026-04-20 00:46:32
● 2026-04-20 10:53:18
○ 2026-05-05 18:01:58
○ 2026-08-01 07:25:56

○A54.171.179.762026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-06 22:06:42
● 2026-04-20 00:46:32
○ 2026-04-20 10:53:18
○ 2026-08-01 07:25:56

○A54.171.42.962026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-05 18:01:58
● 2026-06-01 15:09:24
○ 2026-06-29 10:46:12
○ 2026-08-01 07:25:56

○A54.216.238.1392026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-01 15:09:24
● 2026-06-29 10:46:12
○ 2026-07-15 09:58:00
○ 2026-08-01 07:25:56

●A54.76.128.312026-08-01 → 2026-08-01 · 3 obs

○ 2026-07-15 09:58:00
● 2026-08-01 07:25:54
● 2026-08-01 07:25:56

○A54.76.201.662026-04-06 → 2026-08-01 · 2 obs

○ 2026-04-06 22:06:42
○ 2026-08-01 07:25:56

●A54.76.236.2262026-08-01 → 2026-08-01 · 3 obs

○ 2026-07-15 09:58:00
● 2026-08-01 07:25:54
● 2026-08-01 07:25:56

○A69.172.201.1532016-05-04 → 2020-03-11 · 5 obs

○ 2016-02-11 11:34:14
● 2016-05-04 13:32:56
● 2020-03-11 02:21:06
○ 2026-04-06 22:06:42
○ 2026-08-01 07:25:56

○A99.80.247.932026-07-15 → 2026-07-15 · 4 obs

○ 2026-06-29 10:46:12
● 2026-07-15 09:58:00
○ 2026-08-01 07:25:54
○ 2026-08-01 07:25:56

○CNAMEndparking.com2015-07-19 → 2016-02-11 · 4 obs

● 2015-07-19 04:53:26
● 2016-02-11 11:34:14
○ 2016-05-04 13:32:56
○ 2026-08-01 07:25:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net...	-
firstblue.com	ns-118.awsdns-14.com, ns-672.awsdns-20.net, ns-1731.awsdns-24.co.uk, ns-1496.awsdns-59.org	2 records

✅ Authoritative Response

Server:205.251.192.118

NS records: ns-118.awsdns-14.com, ns-672.awsdns-20.net, ns-1731.awsdns-24.co.uk, ns-1496.awsdns-59.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstblue.com (unsigned zone)

⏱️ Timing

Total: 387ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`54.76.128.31, 54.76.236.226...`
NS	4	`ns-118.awsdns-14.com, ns-1496.awsdns-59.org...`
MX	2	`d313205.a.ess.de.barracudanetworks.com (, d313205.b.ess.de.barracudanetworks.com (`
TXT	4	`MS=ms72539147, anthropic-domain-verification-kz21cp=uas...`
SOA	1	`ns-1731.awsdns-24.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-118.awsdns-14.com, ns-118.awsdns-14.com)

Analysis

IP Addresses

firstblue.com points to three IP numbers, namely 34.254.45.54, 54.76.128.31 and 54.76.236.226.

Name Servers

firstblue.com has four authoritative name servers: ns-118.awsdns-14.com, ns-672.awsdns-20.net, ns-1496.awsdns-59.org and ns-1731.awsdns-24.co.uk.

At least some of firstblue.com's name servers are shared with other domains, for example gmkyuru.com, thecarvers.net, 179.119.75.in-addr.arpa and two more.

It is common for these name servers to be used in conjunction with the name servers ns-80.awsdns-10.com, ns-869.awsdns-44.net and ns-1892.awsdns-44.co.uk.

Four hostnames, each resolving to a pair of IP addresses: ns-118.awsdns-14.com directs to 205.251.192.118 and 2600:9000:5300:7600::1; ns-672.awsdns-20.net directs to 205.251.194.160 and 2600:9000:5302:a000::1; ns-1496.awsdns-59.org directs to 205.251.197.216 and 2600:9000:5305:d800::1; ns-1731.awsdns-24.co.uk directs to 205.251.198.195 and 2600:9000:5306:c300::1.

Mail Servers

firstblue.com has two mail servers: d313205.a.ess.de.barracudanetworks.com and d313205.b.ess.de.barracudanetworks.com.

d313205.a.ess.de.barracudanetworks.com and d313205.b.ess.de.barracudanetworks.com both direct to 18.185.115.250, 18.185.115.251 and 18.185.115.252, all three IP addresses being shared between the two hosts.

d313205.a.ess.de.barracudanetworks.com along with d313205.b.ess.de.barracudanetworks.com each resolve to 18.185.115.250 IP addresses.

d313205.a.ess.de.barracudanetworks.com along with d313205.b.ess.de.barracudanetworks.com each resolve to 18.185.115.251 IP addresses.

d313205.a.ess.de.barracudanetworks.com along with d313205.b.ess.de.barracudanetworks.com each resolve to 18.185.115.252 IP addresses.