dualcode.com - dns.ninja

`dualcode.com`

DNSSEC	⚠️ Not signed
A	16.54.37.93^{🇺🇸 Amazon16.54.0.0/15 EC2 YUL prefix}
A	16.54.121.242^{🇺🇸 Amazon16.54.0.0/15 EC2 YUL prefix}
A	99.79.19.66^{🇨🇦 Amazon99.79.0.0/16 EC2 YUL prefix}
NS	`ns-1278.awsdns-31.org` ⭐
		A	2600:9000:5304:fe00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1278.awsdns-31.org`
		A	205.251.196.254^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1278.awsdns-31.org`
NS	`ns-103.awsdns-12.com`
		A	2600:9000:5300:6700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-103.awsdns-12.com`
		A	205.251.192.103^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-103.awsdns-12.com`
NS	`ns-1981.awsdns-55.co.uk`
		A	2600:9000:5307:bd00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1981.awsdns-55.co.uk`
		A	205.251.199.189^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1981.awsdns-55.co.uk`
NS	`ns-814.awsdns-37.net`
		A	2600:9000:5303:2e00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
		A	205.251.195.46^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-814.awsdns-37.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽⁴⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽⁵⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`MS=ms72477546`
TXT	`atlassian-domain-verification=W9koIQ3oTigZ+c9MSwZ4wXwsJc8QRNr9KXvosXe+5cvOU7f...`
TXT	`atlassian-sending-domain-verification=d24314f1-262c-471c-9614-0dd19fd52900`
TXT	`google-site-verification=3AmozN4da5WC3P4uTiTk3FpNxS_uHvVHpnrvPcJcMoY`
TXT	`google-site-verification=EQeQJiDLgERjZNtsVNRoXMHkl9La-YWVhxMuXSv51UE`
TXT	`v=spf1 include:zcsend.net include:_spf.google.com ~all`
SOA	`ns-1278.awsdns-31.org`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=1781239493

Subdomains

cordblood.dualcode.com

www.dualcode.com

cihr-irsc-igh-isfh.dualcode.com

orca.dualcode.com

ilearn.dualcode.com

tbrhsc.dualcode.com

Same first word

dualcode.com

dualcode.nl

Similar names

DNS History

28 records (12 active, 16 former)

●NSns-103.awsdns-12.com2015-07-17 → 2026-06-12 · 2 obs

● 2015-07-17 12:27:44
● 2026-06-12 05:07:44

●NSns-1278.awsdns-31.org2015-07-17 → 2026-06-12 · 2 obs

● 2015-07-17 12:27:44
● 2026-06-12 05:07:44

●NSns-1981.awsdns-55.co.uk2015-07-17 → 2026-06-12 · 2 obs

● 2015-07-17 12:27:44
● 2026-06-12 05:07:44

●NSns-814.awsdns-37.net2015-07-17 → 2026-06-12 · 2 obs

● 2015-07-17 12:27:44
● 2026-06-12 05:07:44

●MXalt1.aspmx.l.google.com2015-07-17 → 2026-06-12 · 2 obs

● 2015-07-17 12:27:44
● 2026-06-12 05:07:44

●MXalt2.aspmx.l.google.com2015-07-17 → 2026-06-12 · 2 obs

● 2015-07-17 12:27:44
● 2026-06-12 05:07:44

●MXaspmx.l.google.com2015-07-17 → 2026-06-12 · 2 obs

● 2015-07-17 12:27:44
● 2026-06-12 05:07:44

●MXaspmx2.googlemail.com2015-07-17 → 2026-06-12 · 2 obs

● 2015-07-17 12:27:44
● 2026-06-12 05:07:44

●MXaspmx3.googlemail.com2015-07-17 → 2026-06-12 · 2 obs

● 2015-07-17 12:27:44
● 2026-06-12 05:07:44

○A15.157.119.1362026-03-17 → 2026-03-17 · 4 obs

○ 2026-02-25 07:35:18
● 2026-03-17 01:00:44
○ 2026-03-26 06:39:18
○ 2026-06-12 05:07:44

○A15.157.149.1402026-02-24 → 2026-06-12 · 2 obs

○ 2026-02-24 04:20:04
○ 2026-06-12 05:07:44

○A15.157.171.1452026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-24 04:20:04
● 2026-02-25 07:35:18
○ 2026-03-17 01:00:44
○ 2026-06-12 05:07:44

○A15.223.13.1372026-02-24 → 2026-02-24 · 4 obs

○ 2016-09-10 15:33:26
● 2026-02-24 04:20:04
○ 2026-02-25 07:35:18
○ 2026-06-12 05:07:44

○A15.223.149.1932026-02-24 → 2026-06-12 · 2 obs

○ 2026-02-24 04:20:04
○ 2026-06-12 05:07:44

○A16.52.252.902026-02-24 → 2026-02-24 · 4 obs

○ 2016-09-10 15:33:26
● 2026-02-24 04:20:04
○ 2026-02-25 07:35:18
○ 2026-06-12 05:07:44

●A16.54.121.2422026-06-12 → 2026-06-12 · 3 obs

○ 2026-03-26 06:39:18
● 2026-06-12 05:07:40
● 2026-06-12 05:07:44

●A16.54.37.932026-06-12 → 2026-06-12 · 3 obs

○ 2026-03-26 06:39:18
● 2026-06-12 05:07:40
● 2026-06-12 05:07:44

○A184.73.211.852015-07-17 → 2016-09-10 · 4 obs

● 2015-07-17 12:27:44
● 2016-09-10 15:33:26
○ 2026-02-24 04:20:04
○ 2026-06-12 05:07:44

○A3.97.116.282026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-17 01:00:44
● 2026-03-26 06:39:18
○ 2026-06-12 05:07:40
○ 2026-06-12 05:07:44

○A3.98.1.562026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-24 04:20:04
● 2026-02-25 07:35:18
○ 2026-03-17 01:00:44
○ 2026-06-12 05:07:44

○A3.98.199.372026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-17 01:00:44
● 2026-03-26 06:39:18
○ 2026-06-12 05:07:40
○ 2026-06-12 05:07:44

○A3.98.73.512026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-17 01:00:44
● 2026-03-26 06:39:18
○ 2026-06-12 05:07:40
○ 2026-06-12 05:07:44

○A3.98.85.1882026-02-24 → 2026-02-24 · 4 obs

○ 2016-09-10 15:33:26
● 2026-02-24 04:20:04
○ 2026-02-25 07:35:18
○ 2026-06-12 05:07:44

○A3.99.116.2272026-03-17 → 2026-03-17 · 4 obs

○ 2026-02-25 07:35:18
● 2026-03-17 01:00:44
○ 2026-03-26 06:39:18
○ 2026-06-12 05:07:44

○A3.99.76.522026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-24 04:20:04
● 2026-02-25 07:35:18
○ 2026-03-17 01:00:44
○ 2026-06-12 05:07:44

○A3.99.83.1572026-02-24 → 2026-06-12 · 2 obs

○ 2026-02-24 04:20:04
○ 2026-06-12 05:07:44

○A35.182.94.1922026-03-17 → 2026-03-17 · 4 obs

○ 2026-02-25 07:35:18
● 2026-03-17 01:00:44
○ 2026-03-26 06:39:18
○ 2026-06-12 05:07:44

●A99.79.19.662026-06-12 → 2026-06-12 · 3 obs

○ 2026-03-26 06:39:18
● 2026-06-12 05:07:40
● 2026-06-12 05:07:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net...	-
dualcode.com	ns-103.awsdns-12.com, ns-814.awsdns-37.net, ns-1278.awsdns-31.org, ns-1981.awsdns-55.co.uk	2 records

✅ Authoritative Response

Server:205.251.192.103

NS records: ns-103.awsdns-12.com, ns-814.awsdns-37.net, ns-1278.awsdns-31.org, ns-1981.awsdns-55.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dualcode.com (unsigned zone)

⏱️ Timing

Total: 1113ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`16.54.121.242, 16.54.37.93...`
NS	4	`ns-103.awsdns-12.com, ns-1278.awsdns-31.org...`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	6	`MS=ms72477546, atlassian-domain-verification=W9koIQ3oTi...`
SOA	1	`ns-1278.awsdns-31.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-103.awsdns-12.com, ns-103.awsdns-12.com)

Analysis

Hierarchy

cordblood.dualcode.com, www.dualcode.com, cihr-irsc-igh-isfh.dualcode.com, orca.dualcode.com, ilearn.dualcode.com and a few other host names are all children of dualcode.com.

IP Addresses

dualcode.com has three IP addresses: 16.54.37.93, 16.54.121.242 and 99.79.19.66.

Name Servers

dualcode.com is delegated to four name servers, ns-103.awsdns-12.com, ns-814.awsdns-37.net, ns-1278.awsdns-31.org and ns-1981.awsdns-55.co.uk.

The name servers of dualcode.com overlap at least partially with those of other domains — among them smarti.in, codetech.nl, toothfairysoftware.com and two more.

Each of the four hosts ns-103.awsdns-12.com, ns-814.awsdns-37.net, ns-1278.awsdns-31.org and ns-1981.awsdns-55.co.uk has two IP addresses. ns-103.awsdns-12.com points to 205.251.192.103 and 2600:9000:5300:6700::1. ns-814.awsdns-37.net points to 205.251.195.46 and 2600:9000:5303:2e00::1. ns-1278.awsdns-31.org points to 205.251.196.254 and 2600:9000:5304:fe00::1. ns-1981.awsdns-55.co.uk points to 205.251.199.189 and 2600:9000:5307:bd00::1.

Mail Servers

dualcode.com has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between dualcode.com and other domains, including jtmoniker.com, ns500698.ns500758.ns500758.ns500758.ns500698.ns500698.ns500736.ns500698.ns500735.ns500735.ns500736.ns500576.ns500698.ns500708.ns500576.ns500652.ns500576.trackreceptor.com, airmanual.co and two others.

These mail servers tend to appear in combination with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com maps to two IP addresses — 172.253.62.27 and 2607:f8b0:4004:c19::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 2800:3f0:4003:c0f::1a IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 2a00:1450:400b:c02::1b IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.27 IP addresses.