firstdue.com - dns.ninja

`firstdue.com`

DNSSEC	🔒 Signed (DS record present)
A	198.202.211.1^{🇺🇸 CLOUDFLARESPECTRUM198.202.211.0/24 Webflow}
NS	`ns-1960.awsdns-53.co.uk` ⭐
		A	2600:9000:5307:a800::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1960.awsdns-53.co.uk`
		A	205.251.199.168^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1960.awsdns-53.co.uk`
NS	`ns-1021.awsdns-63.net`
		A	2600:9000:5303:fd00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1021.awsdns-63.net`
		A	205.251.195.253^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1021.awsdns-63.net`
NS	`ns-1216.awsdns-24.org`
		A	2600:9000:5304:c000::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1216.awsdns-24.org`
		A	205.251.196.192^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1216.awsdns-24.org`
NS	`ns-276.awsdns-34.com`
		A	2600:9000:5301:1400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-276.awsdns-34.com`
		A	205.251.193.20^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-276.awsdns-34.com`
MX	`firstdue-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00603.inbound.protection.outlook.com`
		A	40.93.192.4^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.41.58^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr02cu00102.inbound.protection.outlook.com`
TXT	`MS=ms71266279`
TXT	`anthropic-domain-verification-kev06s=F1xrmnhxC1oIJtLJl00gjpdJk`
TXT	`anthropic-domain-verification-zzvg00=nNx5JWdDugxiesXUrz3DXheGg`
TXT	`atlassian-domain-verification=SIruP6GsG3Q5rFH8LxN9KWhaP4/5JqGCKYDSbubIZFYS165...`
TXT	`google-site-verification=JaZW626WJ5C0p2OIFrpxS7tvmGzF6BW1IIj0Q-YtPXU`
TXT	`google-site-verification=XqXOGCl2egPjPFKb7LtHdTcp4caa15xWrxcllcinKgY`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf-us.emailsignatures365.c...`
TXT	`zapier-domain-verification-challenge=69616f2b-3611-4ab5-a847-21146b60d4e2`
TXT	`zoho-verification=zb39731540.zmverify.zoho.com`
SOA	`ns-1960.awsdns-53.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=1785196732

rank #775373 globally
rank #327814 in the tld
📈 Tranco rank: #441,773

Subdomains

webfx.firstdue.com

www.firstdue.com

canada.firstdue.com

unify.firstdue.com

Same first word

firstdue.com

firstdue.io

Similar names

DNS History

32 records (6 active, 26 former)

○NSdns155.a.register.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○NSdns199.b.register.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○NSdns241.c.register.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○NSdns249.d.register.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

●NSns-1021.awsdns-63.net2026-03-28 → 2026-07-28 · 3 obs

○ 2026-03-04 12:56:36
● 2026-03-28 15:31:38
● 2026-07-28 00:10:34

●NSns-1216.awsdns-24.org2026-03-28 → 2026-07-28 · 3 obs

○ 2026-03-04 12:56:36
● 2026-03-28 15:31:38
● 2026-07-28 00:10:34

●NSns-1960.awsdns-53.co.uk2026-03-28 → 2026-07-28 · 3 obs

○ 2026-03-04 12:56:36
● 2026-03-28 15:31:38
● 2026-07-28 00:10:34

●NSns-276.awsdns-34.com2026-03-28 → 2026-07-28 · 3 obs

○ 2026-03-04 12:56:36
● 2026-03-28 15:31:38
● 2026-07-28 00:10:34

○NSns1.gridhost.com2015-07-03 → 2020-02-18 · 5 obs

○ 2007-10-29 19:35:18
● 2015-07-03 05:14:56
● 2020-02-18 00:18:04
○ 2026-02-21 00:08:10
○ 2026-07-28 00:10:34

○NSns1.linode.com2026-02-21 → 2026-03-04 · 5 obs

○ 2020-02-18 00:18:04
● 2026-02-21 00:08:10
● 2026-03-04 12:56:36
○ 2026-03-28 15:31:38
○ 2026-07-28 00:10:34

○NSns2.gridhost.com2015-07-03 → 2020-02-18 · 5 obs

○ 2007-10-29 19:35:18
● 2015-07-03 05:14:56
● 2020-02-18 00:18:04
○ 2026-02-21 00:08:10
○ 2026-07-28 00:10:34

○NSns2.linode.com2026-02-21 → 2026-03-04 · 5 obs

○ 2020-02-18 00:18:04
● 2026-02-21 00:08:10
● 2026-03-04 12:56:36
○ 2026-03-28 15:31:38
○ 2026-07-28 00:10:34

○NSns3.linode.com2026-02-21 → 2026-03-04 · 5 obs

○ 2020-02-18 00:18:04
● 2026-02-21 00:08:10
● 2026-03-04 12:56:36
○ 2026-03-28 15:31:38
○ 2026-07-28 00:10:34

○NSns4.linode.com2026-02-21 → 2026-03-04 · 5 obs

○ 2020-02-18 00:18:04
● 2026-02-21 00:08:10
● 2026-03-04 12:56:36
○ 2026-03-28 15:31:38
○ 2026-07-28 00:10:34

○NSns5.linode.com2026-02-21 → 2026-03-04 · 5 obs

○ 2020-02-18 00:18:04
● 2026-02-21 00:08:10
● 2026-03-04 12:56:36
○ 2026-03-28 15:31:38
○ 2026-07-28 00:10:34

●MXfirstdue-com.mail.protection.outlook.com2026-02-21 → 2026-07-28 · 3 obs

○ 2020-02-18 00:18:04
● 2026-02-21 00:08:10
● 2026-07-28 00:10:34

○MXmail.b-io.co2015-07-03 → 2017-03-18 · 5 obs

○ 2007-10-29 19:35:18
● 2015-07-03 05:14:56
● 2017-03-18 03:32:08
○ 2020-02-18 00:18:04
○ 2026-07-28 00:10:34

○MXmail.flip-mail.com2020-02-18 → 2020-02-18 · 4 obs

○ 2017-03-18 03:32:08
● 2020-02-18 00:18:04
○ 2026-02-21 00:08:10
○ 2026-07-28 00:10:34

○MXmail2.siteamerica.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○MXrelay1.exodus.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○MXrelay2.exodus.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○MXrelay3.exodus.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○MXrelay4.exodus.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○MXrelay5.exodus.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○MXrelay6.exodus.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○A104.247.212.2182017-03-18 → 2017-03-18 · 4 obs

○ 2016-07-01 21:42:02
● 2017-03-18 03:32:08
○ 2020-02-18 00:18:04
○ 2026-07-28 00:10:34

○A172.82.165.2022016-01-27 → 2016-01-27 · 4 obs

○ 2015-11-08 00:18:44
● 2016-01-27 02:24:58
○ 2016-07-01 21:42:02
○ 2026-07-28 00:10:34

●A198.202.211.12026-02-21 → 2026-07-28 · 3 obs

○ 2020-02-18 00:18:04
● 2026-02-21 00:08:10
● 2026-07-28 00:10:34

○A199.233.237.1782020-02-18 → 2020-02-18 · 4 obs

○ 2017-03-18 03:32:08
● 2020-02-18 00:18:04
○ 2026-02-21 00:08:10
○ 2026-07-28 00:10:34

○A216.21.229.2092007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 19:35:18
○ 2015-07-03 05:14:56
○ 2026-07-28 00:10:34

○A216.244.83.502016-07-01 → 2016-07-01 · 4 obs

○ 2016-01-27 02:24:58
● 2016-07-01 21:42:02
○ 2017-03-18 03:32:08
○ 2026-07-28 00:10:34

○A23.236.48.502015-07-03 → 2015-11-08 · 5 obs

○ 2007-10-29 19:35:18
● 2015-07-03 05:14:56
● 2015-11-08 00:18:44
○ 2016-01-27 02:24:58
○ 2026-07-28 00:10:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
firstdue.com	ns-276.awsdns-34.com, ns-1021.awsdns-63.net, ns-1216.awsdns-24.org, ns-1960.awsdns-53.co.uk	2 records

✅ Authoritative Response

Server:205.251.193.20

NS records: ns-276.awsdns-34.com, ns-1021.awsdns-63.net, ns-1216.awsdns-24.org, ns-1960.awsdns-53.co.uk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 309ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.202.211.1`
NS	4	`ns-1021.awsdns-63.net, ns-1216.awsdns-24.org...`
MX	1	`firstdue-com.mail.protection.outlook.com`
TXT	9	`MS=ms71266279, anthropic-domain-verification-kev06s=F1x...`
SOA	1	`ns-1960.awsdns-53.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-276.awsdns-34.com, ns-276.awsdns-34.com)

Analysis

Hierarchy

webfx.firstdue.com, www.firstdue.com, canada.firstdue.com and unify.firstdue.com each fall under the parent domain firstdue.com.

IP Addresses

firstdue.com points to a single IP number: 198.202.211.1.

Additional host names — workiro.com, truckingschool.com, tango.ai and two others — share IP numbers with firstdue.com.

Name Servers

firstdue.com has four authoritative name servers: ns-276.awsdns-34.com, ns-1021.awsdns-63.net, ns-1216.awsdns-24.org and ns-1960.awsdns-53.co.uk.

firstdue.com partially shares its NS delegation with several other domains, including bestoraged.de, d3983etc5g1ot7.cloudfront.net, flowerspensacola.com and two others.

ns-276.awsdns-34.com, ns-1021.awsdns-63.net, ns-1216.awsdns-24.org and ns-1960.awsdns-53.co.uk each carry two IP addresses. ns-276.awsdns-34.com has 205.251.193.20 and 2600:9000:5301:1400::1; ns-1021.awsdns-63.net has 205.251.195.253 and 2600:9000:5303:fd00::1; ns-1216.awsdns-24.org has 205.251.196.192 and 2600:9000:5304:c000::1; ns-1960.awsdns-53.co.uk has 205.251.199.168 and 2600:9000:5307:a800::1.

Mail Servers

firstdue.com has one mail server: firstdue-com.mail.protection.outlook.com.

firstdue-com.mail.protection.outlook.com points to 8 IP numbers: 40.93.192.4, 52.101.8.51, 52.101.11.3 and 5 other.