`512kb.org`

DNSSEC	⚠️ Not signed
A	2604:a880:1:20::17:f001^{🇺🇸 DIGITALOCEAN2604:a880:1::/48 DigitalOcean}
		PTR	`simplenation.org`
A	45.55.25.80^{🇺🇸 DIGITALOCEAN45.55.0.0/19 DigitalOcean}
NS	`ns1.digitalocean.com` ⭐ ⚠️ Not in parent delegation
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`a.ns.simplenation.org` ⚠️ Not in zone NS records
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`b.ns.simplenation.org` ⚠️ Not in zone NS records
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`c.ns.simplenation.org` ⚠️ Not in zone NS records
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
NS	`ns2.digitalocean.com` ⚠️ Not in parent delegation
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com` ⚠️ Not in parent delegation
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com`⁽²⁰⁾
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`v=spf1 redirect=icloud.com`
TXT	`apple-domain=ZmzCgTizHtw3chwA`
SOA	`ns1.digitalocean.com`hostmaster@512kb.org serial=0

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1777019263

Same first word

512kb.de

512kb.org

512kb.club

512kb.com

Similar names

521bk.cn

kb521.cn

DNS History

25 records (10 active, 15 former)

○NSa.dns.gandi.net2015-07-17 → 2016-12-25 · 7 obs

● 2015-07-17 17:48:42
● 2015-12-11 18:00:44
○ 2016-02-19 14:51:44
● 2016-08-23 16:53:34
● 2016-12-25 10:42:26
○ 2026-04-13 06:47:08
○ 2026-04-24 08:37:36

●NSa.ns.simplenation.org2026-04-13 → 2026-04-24 · 3 obs

○ 2016-12-25 10:42:26
● 2026-04-13 06:47:08
● 2026-04-24 08:37:36

○NSb.dns.gandi.net2015-07-17 → 2016-12-25 · 7 obs

● 2015-07-17 17:48:42
● 2015-12-11 18:00:44
○ 2016-02-19 14:51:44
● 2016-08-23 16:53:34
● 2016-12-25 10:42:26
○ 2026-04-13 06:47:08
○ 2026-04-24 08:37:36

●NSb.ns.simplenation.org2026-04-13 → 2026-04-24 · 3 obs

○ 2016-12-25 10:42:26
● 2026-04-13 06:47:08
● 2026-04-24 08:37:36

○NSc.dns.gandi.net2015-07-17 → 2016-12-25 · 7 obs

● 2015-07-17 17:48:42
● 2015-12-11 18:00:44
○ 2016-02-19 14:51:44
● 2016-08-23 16:53:34
● 2016-12-25 10:42:26
○ 2026-04-13 06:47:08
○ 2026-04-24 08:37:36

●NSc.ns.simplenation.org2026-04-13 → 2026-04-24 · 3 obs

○ 2016-12-25 10:42:26
● 2026-04-13 06:47:08
● 2026-04-24 08:37:36

○NSmax.ns.cloudflare.com2016-02-19 → 2016-02-19 · 4 obs

○ 2015-12-11 18:00:44
● 2016-02-19 14:51:44
○ 2016-08-23 16:53:34
○ 2026-04-24 08:37:36

●NSns1.digitalocean.com2026-04-13 → 2026-04-24 · 3 obs

○ 2016-12-25 10:42:26
● 2026-04-13 06:47:08
● 2026-04-24 08:37:36

●NSns2.digitalocean.com2026-04-13 → 2026-04-24 · 3 obs

○ 2016-12-25 10:42:26
● 2026-04-13 06:47:08
● 2026-04-24 08:37:36

●NSns3.digitalocean.com2026-04-13 → 2026-04-24 · 3 obs

○ 2016-12-25 10:42:26
● 2026-04-13 06:47:08
● 2026-04-24 08:37:36

○NSruth.ns.cloudflare.com2016-02-19 → 2016-02-19 · 4 obs

○ 2015-12-11 18:00:44
● 2016-02-19 14:51:44
○ 2016-08-23 16:53:34
○ 2026-04-24 08:37:36

○MXalt1.aspmx.l.google.com2015-07-17 → 2016-12-25 · 4 obs

● 2015-07-17 17:48:42
● 2016-12-25 10:42:26
○ 2026-04-13 06:47:08
○ 2026-04-24 08:37:36

○MXalt2.aspmx.l.google.com2015-07-17 → 2016-12-25 · 4 obs

● 2015-07-17 17:48:42
● 2016-12-25 10:42:26
○ 2026-04-13 06:47:08
○ 2026-04-24 08:37:36

○MXalt3.aspmx.l.google.com2015-07-17 → 2016-12-25 · 4 obs

● 2015-07-17 17:48:42
● 2016-12-25 10:42:26
○ 2026-04-13 06:47:08
○ 2026-04-24 08:37:36

○MXalt4.aspmx.l.google.com2015-07-17 → 2016-12-25 · 4 obs

● 2015-07-17 17:48:42
● 2016-12-25 10:42:26
○ 2026-04-13 06:47:08
○ 2026-04-24 08:37:36

○MXaspmx.l.google.com2015-07-17 → 2016-12-25 · 4 obs

● 2015-07-17 17:48:42
● 2016-12-25 10:42:26
○ 2026-04-13 06:47:08
○ 2026-04-24 08:37:36

●MXmx01.mail.icloud.com2026-04-13 → 2026-04-24 · 3 obs

○ 2016-12-25 10:42:26
● 2026-04-13 06:47:08
● 2026-04-24 08:37:36

●MXmx02.mail.icloud.com2026-04-13 → 2026-04-24 · 3 obs

○ 2016-12-25 10:42:26
● 2026-04-13 06:47:08
● 2026-04-24 08:37:36

○A104.24.114.72016-02-19 → 2016-02-19 · 4 obs

○ 2015-12-11 18:00:44
● 2016-02-19 14:51:44
○ 2016-08-23 16:53:34
○ 2026-04-24 08:37:36

○A104.24.115.72016-02-19 → 2016-02-19 · 4 obs

○ 2015-12-11 18:00:44
● 2016-02-19 14:51:44
○ 2016-08-23 16:53:34
○ 2026-04-24 08:37:36

○A23.23.190.432015-07-17 → 2015-12-11 · 4 obs

● 2015-07-17 17:48:42
● 2015-12-11 18:00:44
○ 2016-02-19 14:51:44
○ 2026-04-24 08:37:36

○A23.23.190.672015-07-17 → 2015-12-11 · 4 obs

● 2015-07-17 17:48:42
● 2015-12-11 18:00:44
○ 2016-02-19 14:51:44
○ 2026-04-24 08:37:36

●A2604:a880:1:20::17:f0012026-04-13 → 2026-04-24 · 3 obs

○ 2016-08-23 16:53:34
● 2026-04-13 06:47:08
● 2026-04-24 08:37:36

●A45.55.25.802016-08-23 → 2026-04-24 · 3 obs

○ 2016-02-19 14:51:44
● 2016-08-23 16:53:34
● 2026-04-24 08:37:36

○A54.204.45.1792015-07-17 → 2015-12-11 · 4 obs

● 2015-07-17 17:48:42
● 2015-12-11 18:00:44
○ 2016-02-19 14:51:44
○ 2026-04-24 08:37:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
512kb.org	a.ns.simplenation.org, c.ns.simplenation.org, b.ns.simplenation.org	3 records

✅ Authoritative Response

Server:172.64.53.21

NS records: a.ns.simplenation.org, c.ns.simplenation.org, b.ns.simplenation.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 512kb.org (unsigned zone)

⏱️ Timing

Total: 363ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.55.25.80`
AAAA	1	`2604:a880:1:20::17:f001`
NS	3	`ns2.digitalocean.com, ns1.digitalocean.com...`
MX	2	`mx02.mail.icloud.com (pri: 20), mx01.mail.icloud.com (pri: 10)`
TXT	2	`v=spf1 redirect=icloud.com, apple-domain=ZmzCgTizHtw3chwA`
SOA	1	`ns1.digitalocean.com hostmaster.512kb.or`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (a.ns.simplenation.org, b.ns.simplenation.org, c.ns.simplenation.org)

Analysis

IP Addresses

512kb.org resolves to two IP numbers: 2604:a880:1:20::17:f001 and 45.55.25.80.

Other host names including jesseflores.org, simplenation.net and simplenation.org share IP numbers with 512kb.org.

Name Servers

512kb.org is delegated to six name servers: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com, a.ns.simplenation.org, b.ns.simplenation.org and c.ns.simplenation.org.

512kb.org shares some name servers with other domains, for example amato.food-pi.com, 181.183.68.in-addr.arpa, roswellstudios.com, bigtimeclicks.com and bloomcreative.com.

Host names with two IP numbers:

Host ns1.digitalocean.com points to 2606:4700:52::ac40:34d2 and 172.64.52.210.

Host ns2.digitalocean.com points to 2606:4700:5a::ac40:3515 and 172.64.53.21.

Host ns3.digitalocean.com points to 2606:4700:52::ac40:31d1 and 172.64.49.209.

Host names with one IP number:

Host a.ns.simplenation.org points to 172.64.52.210.

Host b.ns.simplenation.org points to 172.64.53.21.

Host c.ns.simplenation.org points to 172.64.49.209.

Host names that point to 172.64.52.210: ns1.digitalocean.com and a.ns.simplenation.org.

Host names that point to 172.64.53.21: ns2.digitalocean.com and b.ns.simplenation.org.

Host names that point to 172.64.49.209: ns3.digitalocean.com and c.ns.simplenation.org.

Mail Servers

512kb.org is served by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

512kb.org shares the mail server setup with other domains, for example jasperpotts.com, romrom.se, cartersmith.co.nz, anthony-young.com and xorez.de.

512kb.org shares some mail servers with other domains, at least partially, for instance einziqartig.de, coffeespot.dk and mylife.ma.

Host names with six IP numbers: mx01.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30. The host name mx02.mail.icloud.com points to the same six: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30. The IPs 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30 are shared by host names mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names that point to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com.

512kb.org - robtex.com

512kb.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`512kb.org`

`org`