`dl.astm.org`

	DNSSEC	⚠️ Not signed
	A	104.18.12.179^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	104.18.13.179^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`astm.org`

	DNSSEC	⚠️ Not signed
	A	2600:9000:24ba:600:1d:d45f:4300:93a1^{🇺🇸 Amazon2600:9000:24ba::/48}
	A	2600:9000:24ba:c00:1d:d45f:4300:93a1^{🇺🇸 Amazon2600:9000:24ba::/48}
	A	2600:9000:24ba:e00:1d:d45f:4300:93a1^{🇺🇸 Amazon2600:9000:24ba::/48}
	A	2600:9000:24ba:5600:1d:d45f:4300:93a1^{🇺🇸 Amazon2600:9000:24ba::/48}
	A	2600:9000:24ba:5800:1d:d45f:4300:93a1^{🇺🇸 Amazon2600:9000:24ba::/48}
	A	2600:9000:24ba:7400:1d:d45f:4300:93a1^{🇺🇸 Amazon2600:9000:24ba::/48}
	A	2600:9000:24ba:8400:1d:d45f:4300:93a1^{🇺🇸 Amazon2600:9000:24ba::/48}
	A	2600:9000:24ba:d200:1d:d45f:4300:93a1^{🇺🇸 Amazon2600:9000:24ba::/48}
	A	18.164.174.7^{🇺🇸 Amazon18.164.168.0/21}
	A	18.164.174.35^{🇺🇸 Amazon18.164.168.0/21}
	A	18.164.174.106^{🇺🇸 Amazon18.164.168.0/21}
	A	18.164.174.119^{🇺🇸 Amazon18.164.168.0/21}
	NS	`udns1.cscdns.net` ⭐
	NS	`udns2.cscdns.uk`
	MX	`extmaild.astm.org` ⭐
	MX	`extmaila.astm.org`⁽³⁰⁾
	TXT	`MS=ms31507730`
	TXT	`00DC0000000QKmp=1TBRP000000023R`
	TXT	`00DO9000002ITnB=1TBO90000000HQf`
	TXT	`apple-domain-verification=4Dp6r0hZ0Uzjuca5`
	TXT	`status-page-domain-verification=7qdvkyw6gmml`
	TXT	`jamf-site-verification=i31mJAwcVNpmFnRzDR_E9Q`
	TXT	`anthropic-domain-verification-k1aw56=IgjiPcxKZEEx9kiote5RvWs06`
	TXT	`UK-federation-domain-verification=393ccc236421bf9cfbdd12fcd3fd5c00`
	TXT	`beautifulai-site-verification=117aa464-3edc-4d9a-92b5-83150239882a`
	TXT	`google-site-verification=5ASwgqk0yoC7JfZXhU8MSqIt9wIV7dk4FpM5dcIu4Bo`
	TXT	`zywave-domain-verification=XM1w(0x466170)ax/QKNihwn/ZBK8VNflAUTE5K//QVawjXy18=`
	TXT	`_globalsign-domain-verification=-2f4OJV09KbNKpJsjGqOEAHNSJJavfxLaUaJEC5gym`
	TXT	`v=spf1 include:spf1.astm.org include:spf2.astm.org include:spf3.astm.org -all`
	TXT	`IJQuZ//ViqCC1s43G+2ecQVtVkRb2hIRkkvTUz+9aG1CYtFBwUQgGpdBltm1JdzBEsR+3C8s+G2ay...`
	TXT	`cisco-ci-domain-verification=372326fa1b497cf49fbf5c6fc9fd9ef148d159869a7c5dd8...`
	TXT	`atlassian-domain-verification=MnDGRTalCpT4L4kLQSbEz7lUzITWxd2tyy/VdHHruM6vTGy...`
	TXT	`atlassian-domain-verification=OxsbIkeGaGaeTHrCApNffgTKF3NfnzFyfr/OYOAS1yaBv9S...`
	SOA	`udns1.cscdns.net`hostmaster@cscdns.net 2017-04-15 #68

WOT: SAFE (93/100)
rank #2773 globally
rank #346 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #11,920

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DNS History

2 records (2 active, 0 former)

●A104.18.12.1792026-04-07 → 2026-05-12 · 2 obs

● 2026-04-07 00:49:52
● 2026-05-12 02:14:36

●A104.18.13.1792026-04-07 → 2026-05-12 · 2 obs

● 2026-04-07 00:49:52
● 2026-05-12 02:14:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
astm.org	udns2.cscdns.uk, udns1.cscdns.net	-

✅ Authoritative Response

Server:204.74.111.1

NS records: udns2.cscdns.uk, udns1.cscdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for astm.org (unsigned zone)

⏱️ Timing

Total: 735ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.13.179, 104.18.12.179`

Analysis

IP Addresses

dl.astm.org points to two IP numbers: 104.18.12.179 and 104.18.13.179.

Other host names, for instance rupress.org, neurology.mhmedical.com, digikeytest.digikey.com.cdn.cloudflare.net, edhub.ama-assn.org and ashpublications.org share IP numbers with dl.astm.org.

dl.astm.org - robtex.com

dl.astm.org

astm.org