astralcodex.org - dns.ninja

`astralcodex.org`

DNSSEC	⚠️ Not signed
A	173.236.141.10^{🇺🇸 AS26347173.236.128.0/17 New Dream Network, LLC 417 Associated Rd. PMB 257 Brea, CA 92821 UNITED STATES}
		PTR	`apache2-rank.iad1-shared-e1-23.dreamhost.com`
NS	`ns1.dreamhost.com` ⭐
		A	162.159.26.14^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dreamhost.com`
NS	`ns2.dreamhost.com`
		A	162.159.26.81^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dreamhost.com`
NS	`ns3.dreamhost.com`
		A	162.159.27.84^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.dreamhost.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f26.1e100.net`
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	2607:f8b0:4004:c27::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f26.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
		A	172.253.139.27^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f27.1e100.net`
TXT	`facebook-domain-verification=ycvfdt9h3azmazw7j5oddbarcgbkq5`
TXT	`google-site-verification=VjBS_JmVCVHn22wwRtzZpFyFXuGDTUmDEFwOUPg49Z8`
SOA	`ns1.dreamhost.com`hostmaster@dreamhost.com 2026-07-17 #3

`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=1785334706

Subdomains

www.astralcodex.org

Same first word

astralcodex.org

Similar names

codexastral.ch

DNS History

5 records (5 active, 0 former)

●NSns1.dreamhost.com2026-07-17 → 2026-07-29 · 2 obs

● 2026-07-17 20:00:00
● 2026-07-29 14:25:02

●NSns2.dreamhost.com2026-07-17 → 2026-07-29 · 2 obs

● 2026-07-17 20:00:00
● 2026-07-29 14:25:02

●NSns3.dreamhost.com2026-07-17 → 2026-07-29 · 2 obs

● 2026-07-17 20:00:00
● 2026-07-29 14:25:02

●MXsmtp.google.com2026-07-17 → 2026-07-29 · 2 obs

● 2026-07-17 20:00:00
● 2026-07-29 14:25:02

●A173.236.141.102026-07-17 → 2026-07-29 · 2 obs

● 2026-07-17 20:00:00
● 2026-07-29 14:25:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
astralcodex.org	ns1.dreamhost.com, ns3.dreamhost.com, ns2.dreamhost.com	-

✅ Authoritative Response

Server:162.159.26.81

NS records: ns1.dreamhost.com, ns3.dreamhost.com, ns2.dreamhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for astralcodex.org (unsigned zone)

⏱️ Timing

Total: 521ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`173.236.141.10`
NS	3	`ns2.dreamhost.com, ns3.dreamhost.com...`
MX	1	`smtp.google.com (pri: 0)`
TXT	2	`facebook-domain-verification=ycvfdt9h3az, google-site-verification=VjBS_JmVCVHn22w`
SOA	1	`ns1.dreamhost.com hostmaster.dreamhost.c`

Analysis

Hierarchy

astralcodex.org serves as the parent of www.astralcodex.org.

IP Addresses

astralcodex.org resolves to one IP address: 173.236.141.10.

quillaja.net, arabellabengson.com, kieranhealy.org and two other host names share IP numbers with astralcodex.org.

Name Servers

astralcodex.org carries NS records delegating to ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com.

astralcodex.org has at least partial name server overlap with other domains, such as magpievilla.com, mahbubnahid.com, amiife.com and two others.

ns1.dreamhost.com points to 162.159.26.14; ns2.dreamhost.com points to 162.159.26.81; ns3.dreamhost.com points to 162.159.27.84 — each hostname maps to exactly one IP address.

Mail Servers

Mail for astralcodex.org is handled by a single mail server, smtp.google.com.

astralcodex.org uses an identical mail server configuration to several other domains — among them conecta.digital, chocolatesandlollies.com.au, bajatitle.biz and two more.

astralcodex.org has at least partial mail server overlap with other domains such as holtchapel.com, eskil.com.tr, maisafet.es and two more.

smtp.google.com resolves to 9 IP addresses — 172.253.115.26, 172.253.115.27, 172.253.122.26 and 6 others.