simple.io - dns.ninja

`simple.io`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`ns-1774.awsdns-29.co.uk` ⭐
		A	2600:9000:5306:ee00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1774.awsdns-29.co.uk`
		A	205.251.198.238^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1774.awsdns-29.co.uk`
NS	`ns-1041.awsdns-02.org`
		A	2600:9000:5304:1100::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1041.awsdns-02.org`
		A	205.251.196.17^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1041.awsdns-02.org`
NS	`ns-131.awsdns-16.com`
		A	2600:9000:5300:8300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-131.awsdns-16.com`
		A	205.251.192.131^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-131.awsdns-16.com`
NS	`ns-649.awsdns-17.net`
		A	2600:9000:5302:8900::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-649.awsdns-17.net`
		A	205.251.194.137^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-649.awsdns-17.net`
MX	`simple-io.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc31::^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy2pr01cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:cc31::1^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy8pr01cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc31::3^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy2pr01cu00503.inbound.protection.outlook.com`
		A	2a01:111:f403:cc33::1^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-meupr01cu00301.inbound.protection.outlook.com`
		A	52.101.149.0^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sy2pr01cu00300.inbound.protection.outlook.com`
		A	52.101.149.1^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sy8pr01cu00101.inbound.protection.outlook.com`
		A	52.101.149.2^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sy5pr01cu00902.inbound.protection.outlook.com`
		A	52.101.151.5^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-meupr01cu00305.inbound.protection.outlook.com`
TXT	`google-site-verification=O9n_F3KzC2nJCxNGouZBitN3iLGvN1x9zx0w0KrOpK8`
TXT	`v=spf1 ip4:103.28.42.0/24 ip4:146.88.28.0/24 ip4:163.47.180.0/22 ip4:203.55.2...`
SOA	`ns-1774.awsdns-29.co.uk`awsdns-hostmaster@amazon.com serial=1

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1786398583

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DNS History

29 records (6 active, 23 former)

○NSa.dns.gandi.net2016-08-30 → 2016-08-30 · 4 obs

○ 2016-06-20 20:58:02
● 2016-08-30 20:33:20
○ 2016-12-19 09:59:46
○ 2026-08-10 23:21:54

○NSb.dns.gandi.net2016-08-30 → 2016-08-30 · 4 obs

○ 2016-06-20 20:58:02
● 2016-08-30 20:33:20
○ 2016-12-19 09:59:46
○ 2026-08-10 23:21:54

○NSc.dns.gandi.net2016-08-30 → 2016-08-30 · 4 obs

○ 2016-06-20 20:58:02
● 2016-08-30 20:33:20
○ 2016-12-19 09:59:46
○ 2026-08-10 23:21:54

●NSns-1041.awsdns-02.org2026-02-16 → 2026-08-10 · 3 obs

○ 2016-12-19 09:59:46
● 2026-02-16 12:58:20
● 2026-08-10 23:21:54

○NSns-1234.awsdns-26.org2016-12-19 → 2016-12-19 · 4 obs

○ 2016-08-30 20:33:20
● 2016-12-19 09:59:46
○ 2026-02-16 12:58:20
○ 2026-08-10 23:21:54

●NSns-131.awsdns-16.com2026-02-16 → 2026-08-10 · 3 obs

○ 2016-12-19 09:59:46
● 2026-02-16 12:58:20
● 2026-08-10 23:21:54

○NSns-177.awsdns-22.com2016-12-19 → 2016-12-19 · 4 obs

○ 2016-08-30 20:33:20
● 2016-12-19 09:59:46
○ 2026-02-16 12:58:20
○ 2026-08-10 23:21:54

●NSns-1774.awsdns-29.co.uk2026-02-16 → 2026-08-10 · 3 obs

○ 2016-12-19 09:59:46
● 2026-02-16 12:58:20
● 2026-08-10 23:21:54

○NSns-1918.awsdns-47.co.uk2016-12-19 → 2016-12-19 · 4 obs

○ 2016-08-30 20:33:20
● 2016-12-19 09:59:46
○ 2026-02-16 12:58:20
○ 2026-08-10 23:21:54

○NSns-584.awsdns-09.net2016-12-19 → 2016-12-19 · 4 obs

○ 2016-08-30 20:33:20
● 2016-12-19 09:59:46
○ 2026-02-16 12:58:20
○ 2026-08-10 23:21:54

●NSns-649.awsdns-17.net2026-02-16 → 2026-08-10 · 3 obs

○ 2016-12-19 09:59:46
● 2026-02-16 12:58:20
● 2026-08-10 23:21:54

○NSns1.digitalocean.com2015-12-24 → 2016-06-20 · 5 obs

○ 2015-08-16 09:46:50
● 2015-12-24 04:36:52
● 2016-06-20 20:58:02
○ 2016-08-30 20:33:20
○ 2026-08-10 23:21:54

○NSns1.messagingengine.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 09:46:50
○ 2015-12-24 04:36:52
○ 2026-08-10 23:21:54

○NSns2.digitalocean.com2015-12-24 → 2016-06-20 · 5 obs

○ 2015-08-16 09:46:50
● 2015-12-24 04:36:52
● 2016-06-20 20:58:02
○ 2016-08-30 20:33:20
○ 2026-08-10 23:21:54

○NSns2.messagingengine.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 09:46:50
○ 2015-12-24 04:36:52
○ 2026-08-10 23:21:54

○NSns3.digitalocean.com2015-12-24 → 2016-06-20 · 5 obs

○ 2015-08-16 09:46:50
● 2015-12-24 04:36:52
● 2016-06-20 20:58:02
○ 2016-08-30 20:33:20
○ 2026-08-10 23:21:54

○MXalt1.aspmx.l.google.com2016-12-19 → 2016-12-19 · 4 obs

○ 2016-08-30 20:33:20
● 2016-12-19 09:59:46
○ 2026-02-16 12:58:20
○ 2026-08-10 23:21:54

○MXalt2.aspmx.l.google.com2016-12-19 → 2016-12-19 · 4 obs

○ 2016-08-30 20:33:20
● 2016-12-19 09:59:46
○ 2026-02-16 12:58:20
○ 2026-08-10 23:21:54

○MXaspmx.l.google.com2016-12-19 → 2016-12-19 · 4 obs

○ 2016-08-30 20:33:20
● 2016-12-19 09:59:46
○ 2026-02-16 12:58:20
○ 2026-08-10 23:21:54

○MXaspmx2.googlemail.com2016-12-19 → 2016-12-19 · 4 obs

○ 2016-08-30 20:33:20
● 2016-12-19 09:59:46
○ 2026-02-16 12:58:20
○ 2026-08-10 23:21:54

○MXaspmx3.googlemail.com2016-12-19 → 2016-12-19 · 4 obs

○ 2016-08-30 20:33:20
● 2016-12-19 09:59:46
○ 2026-02-16 12:58:20
○ 2026-08-10 23:21:54

○MXfb.mail.gandi.net2016-08-30 → 2016-08-30 · 4 obs

○ 2015-12-24 04:36:52
● 2016-08-30 20:33:20
○ 2016-12-19 09:59:46
○ 2026-08-10 23:21:54

○MXin1-smtp.messagingengine.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 09:46:50
○ 2015-12-24 04:36:52
○ 2026-08-10 23:21:54

○MXin2-smtp.messagingengine.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 09:46:50
○ 2015-12-24 04:36:52
○ 2026-08-10 23:21:54

●MXsimple-io.mail.protection.outlook.com2026-02-16 → 2026-08-10 · 3 obs

○ 2016-12-19 09:59:46
● 2026-02-16 12:58:20
● 2026-08-10 23:21:54

○MXspool.mail.gandi.net2016-08-30 → 2016-08-30 · 4 obs

○ 2015-12-24 04:36:52
● 2016-08-30 20:33:20
○ 2016-12-19 09:59:46
○ 2026-08-10 23:21:54

○A104.131.50.492015-08-16 → 2016-06-20 · 4 obs

● 2015-08-16 09:46:50
● 2016-06-20 20:58:02
○ 2016-08-30 20:33:20
○ 2026-08-10 23:21:54

○A217.70.184.382016-08-30 → 2016-08-30 · 4 obs

○ 2016-06-20 20:58:02
● 2016-08-30 20:33:20
○ 2016-12-19 09:59:46
○ 2026-08-10 23:21:54

●A76.76.21.212026-02-16 → 2026-08-10 · 3 obs

○ 2016-12-19 09:59:46
● 2026-02-16 12:58:20
● 2026-08-10 23:21:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
simple.io	ns-1774.awsdns-29.co.uk, ns-649.awsdns-17.net, ns-131.awsdns-16.com, ns-1041.awsdns-02.org	-

✅ Authoritative Response

Server:205.251.194.137

NS records: ns-1774.awsdns-29.co.uk, ns-649.awsdns-17.net, ns-131.awsdns-16.com, ns-1041.awsdns-02.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simple.io (unsigned zone)

⏱️ Timing

Total: 548ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	4	`ns-1041.awsdns-02.org, ns-131.awsdns-16.com...`
MX	1	`simple-io.mail.protection.outlook.com (p`
TXT	2	`google-site-verification=O9n_F3KzC2nJCxN, v=spf1 ip4:103.28.42.0/24 ip4:146.88.28.`
SOA	1	`ns-1774.awsdns-29.co.uk awsdns-hostmaste`

Analysis

IP Addresses

simple.io resolves to one IP address: 76.76.21.21.

csv.org, convexfinance.com, sidmitra.com and two other host names share IP numbers with simple.io.

Name Servers

The authoritative name servers for simple.io are ns-131.awsdns-16.com, ns-649.awsdns-17.net, ns-1041.awsdns-02.org and ns-1774.awsdns-29.co.uk.

simple.io partially shares its NS delegation with several other domains, including the-bitcoin-generator.com, drivers-union.org, takeda-ibdsymposium.net and two others.

These name servers regularly co-occur with the name servers ns-396.awsdns-49.com, ns-701.awsdns-23.net and ns-1583.awsdns-05.co.uk.

ns-131.awsdns-16.com, ns-649.awsdns-17.net, ns-1041.awsdns-02.org and ns-1774.awsdns-29.co.uk each carry two IP addresses. ns-131.awsdns-16.com has 205.251.192.131 and 2600:9000:5300:8300::1; ns-649.awsdns-17.net has 205.251.194.137 and 2600:9000:5302:8900::1; ns-1041.awsdns-02.org has 205.251.196.17 and 2600:9000:5304:1100::1; ns-1774.awsdns-29.co.uk has 205.251.198.238 and 2600:9000:5306:ee00::1.

Mail Servers

Mail for simple.io is handled by a single mail server, simple-io.mail.protection.outlook.com.

simple-io.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.149.0, 52.101.149.1, 52.101.149.2 and 5 others.