`algorithmliteracy.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3689^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:8afa^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.137^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.250^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bonnie.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bonnie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bonnie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bonnie.ns.cloudflare.com`
		A	108.162.192.76^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bonnie.ns.cloudflare.com`
		A	172.64.32.76^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bonnie.ns.cloudflare.com`
		A	173.245.58.76^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bonnie.ns.cloudflare.com`
NS	`pete.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c188^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pete.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2188^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pete.ns.cloudflare.com`
		A	108.162.193.136^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	172.64.33.136^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	173.245.59.136^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
MX	`_dc-mx.320ecf01b5c6.algorithmliteracy.org` ⭐
		A	192.81.168.124^{🇨🇦 AS53479192.81.168.0/23 Hostupon Inc}
TXT	`v=spf1 +a +mx +ip4:192.81.170.20 +ip4:192.81.168.124 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.137, 172.67.138.250
		IPv6 hints	2606:4700:3031::6815:3689, 2606:4700:3031::ac43:8afa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=24, name=cloudflare-ech.com
SOA	`bonnie.ns.cloudflare.com`dns@cloudflare.com serial=2407920604

`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=1784702493

MX for

algorithmliteracy.org

Same first word

algorithmliteracy.org

DNS History

16 records (7 active, 9 former)

●NSbonnie.ns.cloudflare.com2026-07-22 → 2026-07-22 · 3 obs

○ 2026-05-04 03:18:58
● 2026-07-22 07:18:24
● 2026-07-22 07:18:26

○NSns1.digitalmoment.org2026-03-03 → 2026-05-04 · 5 obs

○ 2020-03-05 06:45:58
● 2026-03-03 07:49:54
● 2026-05-04 03:18:58
○ 2026-07-22 07:18:24
○ 2026-07-22 07:18:26

○NSns1.hostupon.com2026-03-03 → 2026-05-04 · 5 obs

○ 2020-03-05 06:45:58
● 2026-03-03 07:49:54
● 2026-05-04 03:18:58
○ 2026-07-22 07:18:24
○ 2026-07-22 07:18:26

○NSns1.uhcloud.com2020-03-05 → 2020-03-05 · 3 obs

● 2020-03-05 06:45:58
○ 2026-03-03 07:49:54
○ 2026-07-22 07:18:26

○NSns2.digitalmoment.org2026-03-03 → 2026-05-04 · 5 obs

○ 2020-03-05 06:45:58
● 2026-03-03 07:49:54
● 2026-05-04 03:18:58
○ 2026-07-22 07:18:24
○ 2026-07-22 07:18:26

○NSns2.hostupon.com2026-03-03 → 2026-05-04 · 5 obs

○ 2020-03-05 06:45:58
● 2026-03-03 07:49:54
● 2026-05-04 03:18:58
○ 2026-07-22 07:18:24
○ 2026-07-22 07:18:26

○NSns2.uhcloud.com2020-03-05 → 2020-03-05 · 3 obs

● 2020-03-05 06:45:58
○ 2026-03-03 07:49:54
○ 2026-07-22 07:18:26

●NSpete.ns.cloudflare.com2026-07-22 → 2026-07-22 · 3 obs

○ 2026-05-04 03:18:58
● 2026-07-22 07:18:24
● 2026-07-22 07:18:26

●MX_dc-mx.320ecf01b5c6.algorithmliteracy.org2026-07-22 → 2026-07-22 · 3 obs

○ 2026-05-04 03:18:58
● 2026-07-22 07:18:24
● 2026-07-22 07:18:26

○MXalgorithmliteracy.org2020-03-05 → 2026-05-04 · 4 obs

● 2020-03-05 06:45:58
● 2026-05-04 03:18:58
○ 2026-07-22 07:18:24
○ 2026-07-22 07:18:26

●A104.21.54.1372026-07-22 → 2026-07-22 · 3 obs

○ 2026-05-04 03:18:58
● 2026-07-22 07:18:24
● 2026-07-22 07:18:26

●A172.67.138.2502026-07-22 → 2026-07-22 · 3 obs

○ 2026-05-04 03:18:58
● 2026-07-22 07:18:24
● 2026-07-22 07:18:26

○A192.81.168.1242026-03-03 → 2026-05-04 · 5 obs

○ 2020-03-05 06:45:58
● 2026-03-03 07:49:54
● 2026-05-04 03:18:58
○ 2026-07-22 07:18:24
○ 2026-07-22 07:18:26

○A192.81.170.202020-03-05 → 2020-03-05 · 3 obs

● 2020-03-05 06:45:58
○ 2026-03-03 07:49:54
○ 2026-07-22 07:18:26

●A2606:4700:3031::6815:36892026-07-22 → 2026-07-22 · 3 obs

○ 2026-05-04 03:18:58
● 2026-07-22 07:18:24
● 2026-07-22 07:18:26

●A2606:4700:3031::ac43:8afa2026-07-22 → 2026-07-22 · 3 obs

○ 2026-05-04 03:18:58
● 2026-07-22 07:18:24
● 2026-07-22 07:18:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
algorithmliteracy.org	bonnie.ns.cloudflare.com, pete.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.76

NS records: bonnie.ns.cloudflare.com, pete.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithmliteracy.org (unsigned zone)

⏱️ Timing

Total: 421ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.138.250, 104.21.54.137`
AAAA	2	`2606:4700:3031::ac43:8afa, 2606:4700:3031::6815:3689`
NS	2	`bonnie.ns.cloudflare.com, pete.ns.cloudflare.com`
MX	1	`_dc-mx.320ecf01b5c6.algorithmliteracy.or`
TXT	1	`v=spf1 +a +mx +ip4:192.81.170.20 +ip4:19`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bonnie.ns.cloudflare.com dns.cloudflare.`

Analysis

Mail Server Role

The MX record for algorithmliteracy.org points back to algorithmliteracy.org — it is its own mail server.

IP Addresses

algorithmliteracy.org directs to four IP numbers, which are 104.21.54.137, 172.67.138.250, 2606:4700:3031::6815:3689 and 2606:4700:3031::ac43:8afa.

Among the host names that share IP numbers with algorithmliteracy.org are zsbk.sk, mx1.passwordopen.com, jinkou56.com and two others.

Name Servers

Two name servers handle the delegation for algorithmliteracy.org: bonnie.ns.cloudflare.com and pete.ns.cloudflare.com.

algorithmliteracy.org has the same name server delegation as a number of other domains, such as naprok.com, stake-hungary.com, betoffice-br.com and two more.

At least some of algorithmliteracy.org's name servers are shared with other domains, for example zhihuirensheng.cn, l2amerika.com, foldr.com and two more.

These name servers tend to be used in conjunction with the name servers aragorn.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

bonnie.ns.cloudflare.com resolves to 108.162.192.76, 172.64.32.76 and 173.245.58.76 among others, with 3 other IP addresses in total.

pete.ns.cloudflare.com resolves to 108.162.193.136, 172.64.33.136 and 173.245.59.136 among others, with 3 other IP addresses in total.

Mail Servers

algorithmliteracy.org routes its mail through a single mail server, _dc-mx.320ecf01b5c6.algorithmliteracy.org.

_dc-mx.320ecf01b5c6.algorithmliteracy.org carries a single IP number, which is 192.81.168.124.

algorithmliteracy.org - robtex.com